Publications
| Title | Abstract | Year(sorted descending) Filter | PMID Filter |
|---|
| camel-related deaths-a forensic overview. | camels are ungulates of the genus camelus and have been used for centuries in parts of asia and africa for transport and sustenance. handling of camels is not without its dangers, and 4 cases from south australia are reported with a review of lethal camel-related issues. case 1 is a 56-year-old man who died of multiple blunt force injuries after he had attempted to move a 7-year-old female dromedary (camelus dromedarius). case 2 is a 65-year-old woman who was crushed by 1 or more camels that she ... | 2020 | 32925211 |
| pregnancy status and thyroid function in semi-intensive-kept marecha she-camels (camelus dromedarius): managerial implications. | pakistani marecha dromedaries, a distinctive breed not covered in the empirical data of the literature reviewed existing for thyroidal physiology in camels, are subjected to investigate thyroid function in pregnant multiparous (n = 22) and non-pregnant nor lactating (n = 22) females. the function of the thyroid gland in pubescent she-camels has evoked discrepancies among researchers exploring this topic in different breeds evolving in divergent environments. despite season, age, sex, reproductiv ... | 2020 | 32918162 |
| structural investigation of epididymal microvasculature and its relation to telocytes and immune cells in camel. | the vascular and perivascular cells, including telocytes (tcs) and immune cells, play an important role in male fertility. the current study intended to describe in detail the microvascular structures harboring special regulatory devices in addition to the interstitial cellular components of the one-humped camel epididymis. the samples were collected from 10 clinically healthy mature camels (camelus dromedarius). the distribution and characteristics of tcs, peripheral blood vessels of the epidid ... | 2020 | 32665042 |
| dromedary camel: a model of heat resistant livestock animal. | camels are highly adapted to harsh environments. the dromedary camel is adapted to a wide range of arid and semi-arid conditions. the aim of the present paper is to review some of the key adaptation characteristics of the dromedary and how they affect reproductive patterns. special attention is given to the reproductive seasonality and interaction between lactation and reproduction. adaptive mechanisms are described including some of the recent molecular aspects with respect to heat shock protei ... | 2020 | 32663620 |
| snp discovery and population structure analysis in lassi and marecha camel breeds using a genotyping by sequencing method. | pakistani camels have been classified socio-geographically into 20 breeds, but they have not yet been subjected to substantial selective pressures and the genetic basis for these breeds is not understood. however, it should be possible to distinguish them by use of molecular data. this study investigated the genetic diversity and population structure within and between two major pakistani camel breeds, marecha and lassi. as no snp array is currently available, we first identified 63 619 snps usi ... | 2020 | 32421863 |
| effect of roscovitine pretreatment on in vitro maturation of oocytes and their subsequent developmental after chemical activation in dromedary camel (camelus dromedarius). | studies were conducted to evaluate an optimal concentration of roscovitine needed to maintain abattoir origin oocytes at germinal vesicle stage in experiment 1 and their subsequent maturation and developmental competence after chemical activation in experiments 2 and 3, respectively. the cumulus-oocyte complexes (cocs) aspirated from ovaries collected from a local slaughterhouse were cultured in tcm-199 based pre-maturation medium supplemented with 25, 50 or 75 μm roscovitine, depending on the e ... | 2020 | 32814245 |
| genetic diversity and population structure of dromedary camel-types. | the dromedary camel is a unique livestock for its adaptations to arid-hot environments and its ability to provide goods under extreme conditions. there are no registries or breed standards for camels. thus, named camel populations (i.e., camel-types) were examined for genetic uniqueness and breed status. camel populations are generally named based on shared phenotype, country or region of origin, tribal ownership, or the ecology of their habitat. a dataset of 10 short-tandem repeat markers genot ... | 2020 | 32530038 |
| alterations of hemogram, serum biochemistry, oxidative/nitrosative balance, and copper/zinc homeostasis in dromedary camels naturally infected with poxvirus. | camel pox (cmlp), a contagious viral disease of camels, causes considerable economic loss in terms of milk, meat, wool, and leather production besides reduction of draught power. the effect of spontaneous cmlp infection on hemogram, oxidative/nitrosative imbalance, and trace mineral homeostasis has not been studied earlier in dromedary camels. in the current study, hemogram, serum biochemistry, oxidant/antioxidant imbalance, and zinc (zn)-copper (cu) homeostasis were evaluated in healthy and pox ... | 2020 | 32519073 |
| preservation of the spermatozoa of the dromedary camel (camelus dromedarius) by chilling and freezing: the effects of cooling time, extender composition and catalase supplementation. | this study sought to determine the characteristics of dromedary camel sperm following 24 h chilling and cryopreservation, testing two different buffers and cryoprotectants and the presence of catalase (500 iu/ml). ejaculates were liquefied in tris-citric acid-fructose buffer, and centrifuged through a colloid. for experiment 1 (n = 5) sperm were cooled 24 h in green buffer or inra-96® containing 0 or 3% glycerol or ethylene glycol. experiment 2 (n = 5) used the same six treatments to evaluate sp ... | 2020 | 32416545 |
| intrafollicular spontaneous parthenogenetic development of dromedary camel oocytes. | dromedary camel oocytes are unique in their capability for intrafollicular and in vitro spontaneous parthenogenetic activation (spa) and development. this study was designed for (a) observing the incidence of spa and development of dromedary camel oocytes retrieved from ovaries; (b) assessing intrafollicular development of dromedary camel oocytes using histological examination; (c) evaluating the abilities of dromedary camel oocytes to mature, spa, and develop in vitro; and (d) identifying the t ... | 2020 | 32415813 |
| a pilot study on the pharmacokinetics of a single intramuscular injection of cefquinome in arabian camel calves. | this study was conducted to evaluate the pharmacokinetics of cefquinome in camel calves after a single intramuscular injection in a dose of 2 mg/kg body weight (kg b. w.). cefquinome concentrations were measured by ultra-high performance liquid chromatography-mass spectrometry (uplc-ms/ms). a non-compartmental pharmacokinetic model was used to fit the time-concentration curve and estimate the pharmacokinetic parameters. the peak serum concentration (cmax) was 28.4 μg/ml at the time of maximum co ... | 2020 | 32384074 |
| morphometric characterization and estimating body weight of two algerian camel breeds using morphometric measurements. | this study was carried out in order to identify the body measurements of two different dromedary camel breeds raised in algeria. the animal material of the study consisted of a total of 115 animals belong to steppe (n = 55) and sahraoui (n = 60) camel breeds. eye and coat colors along with body measurements such as head length, neck length, neck girth, tail length, distance between eyes, distance between ears, body length, withers height, chest girth, and live weight were determined. least squar ... | 2020 | 32377968 |
| the dipeptidyl peptidase-4 expression in some mers-cov naturally infected dromedary camels in saudi arabia 2018-2019. | mers-cov usually causes respiratory and renal failure in some patients, which may be the underlying cause of death. dromedary camels are the only known reservoir of the virus until now. they shed the virus in their body secretions thus potentiate a risk for human infection. mers-cov tropism and replication is mainly affected by the presence of certain receptor ligands on the target tissues. the dipeptidyl peptidase-4 (dpp-4) is believed to act as receptors for mers-cov. the main objective of thi ... | 2020 | 32377556 |
| detection of the middle east respiratory syndrome coronavirus in dromedary camel's seminal plasma in saudi arabia 2015-2017. | the middle east respiratory syndrome coronavirus (mers-cov) is an emergent respiratory virus. dromedary camels are currently the only known reservoir of mers-cov and are capable of transmitting the virus within a herd. the role of semen in the transmission of mers-cov has never been investigated as yet, to the best of our knowledge. our goal was to test semen collected from dromedary camels for mers-cov. a total of 67 seminal plasma samples from infertile and 13 from fertile dromedary camels wer ... | 2020 | 32374945 |
| identification of sarcocystis spp. in one-humped camels (camelus dromedarius) from riyadh and dammam, saudi arabia, via histological and phylogenetic approaches. | sarcocystis(s.) spp. are intracellular protozoan parasites that infect birds and animals, resulting in substantial commercial losses. sarcocystis spp. have an indirect life cycle; canines and felines are known to act as final hosts, and numerous domestic and wild animals act as intermediate hosts. the presence of sarcocysts in camel meat may diminish its commercial quality. there is limited knowledge regarding the taxonomy and diagnosis of sarcocystis spp. that infect camels in saudi arabia. in ... | 2020 | 32605261 |
| comparative expression of cell adhesion molecule1 (cadm1) in the testes of experimental mice and some farm animals. | cell adhesion molecule1 (cadm1) is a member of the immunoglobulin superfamily (igsf) that has been found in mammalian testis and plays a substantial role in cell-to-cell interaction via either hemophilic (between spermatogenic cells) or heterophilic (between spermatogenic and somatic sertoli cells) binding. the present study investigated the immunohistochemical localization of cadm1 in the testes of adult mice (mus musculus), as well as sexually mature bull (bos taurus), camel (camelus dromedari ... | 2020 | 31635798 |
| epidemiological and histopathological investigation of sarcocystis spp. in slaughtered dromedary camels (camelus dromedarius) in egypt. | sarcocystosis is considered one of the major parasitic diseases with a worldwide distribution. it is caused by the obligatory intracellular protozoan parasites of the genus sarcocystis. besides its public health issues, sarcocystosis results in significant economic losses due to its impact on productivity and milk yield. a wide range of final and intermediate hosts have been identified, including mammals, birds, and reptiles; however, few studies have investigated the contribution of camels to m ... | 2020 | 33120870 |
| fatal neonatal infection with klebsiella pneumoniae in dromedary camels: pathology and molecular identification of isolates from four cases. | in the present study, sudden mortalities were reported due to pneumonia in four neonatal camels (5 to 10 days old) of an organized dromedary camel farm. the clinical manifestations in affected camels were weakness, mild to high fever, not suckling, respiratory distress, and sudden death. on the basis of gross and histopathological lesions, the pneumonia was classified into bronchopneumonia (n = 2), bronchointerstitial pneumonia (n = 1), and interstitial pneumonia (n = 1). in bacterial culture, k ... | 2020 | 33025455 |
| changes of reproductive indices of the testis due to trypanosoma evansi infection in dromedary bulls (camelus dromedarius): semen picture, hormonal profile, histopathology, oxidative parameters, and hematobiochemical profile. | ithis study was designed for the investigation of the effect of infection by trypanosoma evansi on the changes of reproductive indices of the testis, causing reproductive failure in dromedary bulls (camelus dromedarius). | 2020 | 33005681 |
| mitochondrial dna variation and phylogeography of old world camels. | old world camels are a valuable genetic resource for many countries around the world due to their adaptation to the desert environment. at present, old world camels have encountered the challenge of unprecedented loss of genetic resources. through our research, we would reveal the population structure and genetic variation in old world camel populations, which provide a theoretical basis for understanding the germplasm resources and origin and evolution of different old world camel populations.. | 2020 | 32898955 |
| t-cell responses to mers coronavirus infection in people with occupational exposure to dromedary camels in nigeria: an observational cohort study. | middle east respiratory syndrome (mers) remains of global public health concern. dromedary camels are the source of zoonotic infection. over 70% of mers coronavirus (mers-cov)-infected dromedaries are found in africa but no zoonotic disease has been reported in africa. we aimed to understand whether individuals with exposure to dromedaries in africa had been infected by mers-cov. | 2020 | 33035474 |
| middle east respiratory syndrome coronavirus antibodies in bactrian and hybrid camels from dubai. | so far, dromedary camels are the only known animal reservoir for middle east respiratory syndrome (mers) coronavirus (mers-cov). previous published serological studies showed that sera of bactrian camels were all negative for mers-cov antibodies. however, a recent study revealed that direct inoculation of bactrian camels intranasally with mers-cov can lead to infection with abundant virus shedding and seroconversion. in this study, we examined the presence of mers-cov antibodies in bactrian and ... | 2020 | 31969478 |
| retrograde flushing collection and freezing of dromedary camel epididymal spermatozoa with seminal plasma. | the objectives of this study were to describe the parameters of dromedary camel epididymal spermatozoa collected by retrograde flushing (rf) technique and to evaluate the freezability of the collected sperm, diluted with and without the supplementation of seminal plasma (sp). two experiments were conducted: in experiment 1, es were recovered within 6-8 h after castration; selected samples were diluted with a tris-citrate egg-yolk glycerolated buffer and frozen. in experiment 2, epididymides were ... | 2020 | 33156003 |
| vitrification of camel oocytes transiently impacts mitochondrial functions without affecting the developmental potential after intracytoplasmic sperm injection and parthenogenetic activation. | oocyte vitrification preserves the female genetic resources of elite dromedary camels. in the current study, we aimed to explore the effects of vitrification of camel oocytes on mitochondrial activity, redox stress, and expression of genes related to mitochondrial function, apoptosis, pluripotency, and cytoskeleton. moreover, we investigated developmental competence of vitrified oocytes after parthenogenetic activation. oocytes vitrified with the cryotop method were compared with the fresh oocyt ... | 2020 | 33029771 |
| ultrasonography of the kidneys in healthy and diseased camels (camelus dromedarius). | this review article is written to describe the results of ultrasonography of the kidneys in healthy camels as well as camels with some renal disorders. in the dromedary camel, the physiology of the kidney is of interest in view of the specialization of the camel to hot dry deserts and to prolonged periods without water. it plays an important role in water conservation through the production of highly concentrated urine that may predispose animal to varieties of renal disorders. examples of kidne ... | 2020 | 33144934 |
| leukocyte populations and their cell adhesion molecules expression in newborn dromedary camel calves. | different properties of the newborn immune system have been characterized in many species. for the newborn camel calf, however, the phenotype and composition of blood leukocytes have so far not been evaluated. the current study aimed to analyze the distribution of leukocyte subpopulations and their expression pattern of cell adhesion molecules in newborn and adult dromedary camels. | 2020 | 33132598 |
| field investigation and phylogenetic characterization of orf virus (orfv) circulating in small ruminants and pseudocowpoxvirus (pcpv) in dromedary camels of eastern sudan. | in this study, livestock herders in eastern sudan were interviewed through structured questionnaire involved 14046 animals in 151 herds (87 camel herds, 51 sheep and 13 goats) from june to september of 2016 in showak area of gadarif state to get some epidemiological information on contagious ecthyma (ce) infection. 102 suspected cases of ce were investigated (38 sheep, 22 goats and 42 camels) by a second questionnaire focusing on age and sex of affected animals beside number and localization of ... | 2020 | 32258461 |
| effect of zinc, selenium, and vitamin e administration on semen quality and fertility of male dromedary camels with impotentia generandi. | this study aimed to investigate the effect of zinc (zn), selenium (se), and vitamin e (vit e) administration on semen quality and fertility in male dromedary camels with impotentia generandi (ig, post-coital infertility). factors that may affect response to treatment were investigated. thirty-three ig-affected and five fertile camels were included. case history was obtained, and breeding sound examination was performed. semen was collected using electroejaculation. ig-camels were classified acco ... | 2020 | 32632750 |
| generation and characterization of dromedary tenascin-c and tenascin-w specific antibodies. | tenascin-c (tnc) and tenascin-w (tnw), large hexameric glycoproteins overexpressed in the tumor microenvironment, are useful tumor biomarkers for theranostic applications. for now, polyclonal and monoclonal antibodies, as well as aptamers targeting tnc and tnw have been developed. however, the immunostaining sensitivity of antibodies is very heterogenous. the main aim of this study was to generate antibodies in dromedary that detect tnc and tnw, respectively. we show that immune sera from immuni ... | 2020 | 32593416 |
| comparative analysis of milk fat globular membrane (mfgm) proteome between saudi arabia camelus dromedary safra and wadha breeds. | camel milk is traditionally known to have medicinal properties and many potential health benefits. natural milk contains many soluble proteins and nanoparticles, such as a milk fat globule membrane (mfgm), a three-layered membrane covering of milk fat globule mainly composed of proteins and lipids, which plays an important role in human health. mfgm proteins account for 1%-4% of total milk proteins, and their nutritive value and distribution depends on the different breeds. the differential comp ... | 2020 | 32375319 |
| seroprevalence of toxoplasma gondii and neospora caninum in dromedary camels ( camelus dromedarius ) from saudi arabia. | serological screening of 199 serum samples from dromedary camels-from different cities in saudi arabia-was performed using enzyme-linked immunosorbent assay for detecting antibodies against two cyst-forming coccidian parasites, namely toxoplasma gondii and neospora caninum. antibodies against t. gondii were detected in 68 (34.2%) samples, while those against n. caninum were present in 33 (16.6%) samples. the highest seroprevalence of t. gondii antibodies was reported in samples from taif (51.2%) ... | 2020 | 32236334 |
| genetic diversity and population genetic structure of six dromedary camel (camelus dromedarius) populations in saudi arabia. | camels are an integral and essential component of the saudi arabian heritage. the genetic diversity and population genetic structure of dromedary camels are poorly documented in saudi arabia so this study was carried out to investigate the genetic diversity of both local and exotic camel breeds. the genetic diversity was evaluated within and among camel populations using 21 microsatellite loci. hair and blood samples were collected from 296 unrelated animals representing 4 different local breeds ... | 2020 | 32346350 |
| computed tomographic and radiographic morphology of the pastern and coffin joints of one-humped camel (camelus dromedarius). | the objective of the current study was to describe the structures of the pastern and coffin joints in dromedary camel using x-ray, bone and soft tissue windows computed tomography (ct) and three-dimensional volume rendering (3dvr) of ct imaging. 3dvr of ct was obtained at the slight flexed dorsal view, plantar view, dorsolateral view and lateral view which explained all the surfaces and structures of the digit bony parts even the parts of the articular surface. the processed images of 3dvr of ct ... | 2020 | 32808343 |
| comparative analysis of the genome structure and organization of the middle east respiratory syndrome coronavirus (mers-cov) 2012 to 2019 revealing evidence for virus strain barcoding, zoonotic transmission, and selection pressure. | the middle east respiratory syndrome coronavirus (mers-cov) emerged in late 2012 in saudi arabia. for this study, we conducted a large-scale comparative genome study of mers-cov from both human and dromedary camels from 2012 to 2019 to map any genetic changes that emerged in the past 8 years. we downloaded 1309 submissions, including 308 full-length genome sequences of mers-cov available in genbank from 2012 to 2019. we used bioinformatics tools to describe the genome structure and organization ... | 2020 | 32803835 |
| comparison of serological and molecular tests for detection of trypanosoma evansi in domestic animals from ghardaïa district, south algeria. | trypanosoma evansi (t. evansi) is a hemoflagellate parasite that affects a broad range of mammalian hosts and that causes a disease called surra. diagnosis of surra based on clinical symptoms alone is inaccurate. therefore, a variety of serological and molecular diagnostic tests are used to assist in the detection of t. evansi infections. the aim of this study was to compare the diagnostic performance of four serological tests (catt/t.evansi, immune trypanolysis, elisa with purified variant surf ... | 2020 | 32222595 |
| diagnostic evaluation of subclinical endometritis in dromedary camels. | the objective of the present study was to evaluate the efficacy of various diagnostic methods and to estimate the prevalence of bacterial pathogens associated with subclinical endometritis (sce) in dromedary camels. during two consecutive breeding seasons, a total of 2122 infertile female dromedaries were assigned to this study and suspected cases of sce were identified using the established criteria which included failure to conceive after three or more consecutive matings with a fertile male, ... | 2020 | 32216929 |
| genetic variability of dromedary camel populations based on microsatellite markers. | understanding existing levels of genetic variability of camel populations is capital for conservation activities. this study aims to provide information on the genetic diversity of four dromedary populations, including guerzni, harcha, khouari and marmouri. blood samples from 227 individuals belonging to the aforementioned populations were obtained and genotyped by 16 microsatellite markers. a total of 215 alleles were observed, with the mean number of alleles per locus being 13.4 ± 6.26. all lo ... | 2020 | 32580797 |
| some pathological observations on the naturally infected dromedary camels (camelus dromedarius) with the middle east respiratory syndrome coronavirus (mers-cov) in saudi arabia 2018-2019. | background: the natural mers-cov infection in dromedary camels is understudied. recent experimental studies showed no obvious clinical signs in the infected dromedary camels.aim: to study the pathological changes associated with natural mers-cov infection in dromedary camels.methods: tissues from three mers-cov positive animals as well as two negative animals were collected and examined for the presence of pathological changes. the screening of the animals was carried out first by the rapid aggl ... | 2020 | 32543343 |
| effects of short-term inhibition of rho kinase on dromedary camel oocyte in vitro maturation. | this is the first report on a biphasic in vitro maturation (ivm) approach with a meiotic inhibitor to improve dromedary camel ivm. spontaneous meiotic resumption poses a major setback for in vitro matured oocytes. the overall objective of this study was to improve in vitro maturation of dromedary camel oocytes using rock inhibitor (y-27632) in a biphasic ivm to prevent spontaneous meiotic resumption. in the first experiment, we cultured immature cumulus-oocyte complexes (cocs, n = 375) in a prem ... | 2020 | 32344840 |
| virulence, antimicrobial resistance and phylogenetic analysis of zoonotic walking pneumonia mycoplasma arginini in the one-humped camel (camelus dromedarius). | in the scientific literature, a small amount of information is found concerning mycoplasmosis in camel species. a variety of pathogens could be causative agents for pneumonia, but walking pneumonia is mostly caused by mycoplasma with slow development and mild symptoms. the aim of this study was to identify mycoplasmas from camels (camelus dromedarius) and extending the arsenal of factors implicated in pathogenicity of m. arginini to shed light on the current knowledge gap. 460 lung samples (pneu ... | 2020 | 32330451 |
| microbial quality and formation of biogenic amines in the meat and edible offal of camelus dromedaries with a protection trial using gingerol and nisin. | this study aimed firstly at the investigation of the microbial status of the camel meat and edible offal including liver, kidneys, lungs, rumen, and duodenum distributed at local markets of egypt. total plate count, total psychrophilic counts, total enterobacteriaceae count, the most probable number of coliforms, and total mold counts were monitored at the collected samples. the produced biogenic amines (ba) in the camel meat and offal were further estimated. an experimental trial to investigate ... | 2020 | 32328276 |
| zoonotic pathogens of dromedary camels in kenya: a systematised review. | kenya is home to africa's third largest population of dromedary camels, and production at commercial and local levels are increasingly important. in pastoral and nomadic communities in the arid and semi-arid lands (asals), camels play a vital role in food security, while commercial milk production and formalized export markets are rapidly emerging as camel populations expand into non-traditional areas. until recently, little focus was placed on camels as hosts of zoonotic disease, but the emerge ... | 2020 | 32764264 |
| superficial swellings in camels (camelus dromedarius): clinical and ultrasonographic findings. | this study describes the clinical and ultrasonographic features of superficial swellings in dromedary camels (camelus dromedarius) and evaluates the role of ultrasonography (us) in diagnosing and surgical planning or making treatment decisions for such swellings. one hundred and twenty-three camels of both sexes were included in this study based on the clinical and us evidence of superficial swellings varying in type, stage, content, and site. clinical and us evaluation of these superficial swel ... | 2020 | 32759545 |
| diagnosis and treatment of foreign bodies swallowing syndrome in camels (camelus dromedarius) with special reference to the role of mineral deficiency. | this study describes the clinical presentation of ruminal and reticular foreign body syndrome (rrfbs), and evaluates the effect of mineral deficiency on its occurrence in dromedary camels. thirty dromedary camels were divided into two groups. group 1 (control) included 10 apparently healthy she-camels. group 2 consisted of twenty dromedary camels diagnosed with rrfbs on the basis of clinical, ultrasonographic, hematological, and biochemical examinations. clinical findings showed decreased appeti ... | 2020 | 32507784 |
| successful vitrification of dromedary camel embryos using a novel embryo vitrification kit. | embryos (n = 87) collected 8 days after mating and 7 days after ovulation were vitrified using a camel-specific vitrification kit. vitrification solutions (vs) containing 20% foetal calf serum, with or without 2% bovine serum albumin (bsa) were used to cryopreserve embryos, in three steps vs1 (5 min), vs2 (5 min) and vs3 (30-35 s) at room temperature (rt) before being loaded into open pulled straws and immediately frozen in liquid nitrogen. embryos were subsequently thawed in warming solutions ( ... | 2020 | 32507263 |
| genome-wide diversity, population structure and demographic history of dromedaries in the central desert of iran. | the development of camel husbandry for good production in a desert climate is very important, thus we need to understand the genetic basis of camels and give attention to genomic analysis. we assessed genome-wide diversity, linkage disequilibrium (ld), effective population size (ne) and relatedness in 96 dromedaries originating from five different regions of the central desert of iran using genotyping-by-sequencing (gbs). a total of 14,522 single nucleotide polymorphisms (snps) with an average m ... | 2020 | 32485848 |
| cross-sectional prevalence study of mers-cov in local and imported dromedary camels in saudi arabia, 2016-2018. | the middle east respiratory syndrome-coronavirus (mers-cov) is an endemic virus in dromedaries. annually, saudi arabia imports thousands of camels from the horn of africa, yet the epidemiology of mers-cov in these animals is largely unknown. here, mers-cov prevalence was compared in imported african camels and their local counterparts. a total of 1399 paired sera and nasal swabs were collected from camels between 2016 and 2018. imported animals from sudan (n = 829) and djibouti (n = 328) were sa ... | 2020 | 32453746 |
| exploring the eukaryotic diversity in rumen of indian camel (camelus dromedarius) using 18s rrna amplicon sequencing. | in addition to a wide variety of anaerobic and facultative anaerobic bacteria, camel rumen also harbors a diverse of eukaryotic organisms. in the present study, the eukaryotic communities of camel rumen were characterized using 18s rrna amplicon sequencing. metagenomic dna was isolated from rumen samples of fourteen adult bikaneri and kachchhi breeds of camel fed different diets containing jowar, bajra, maize, and guar. illumina sequencing generated 27,161,904 number of reads corresponding to 15 ... | 2020 | 32448959 |
| genital abnormalities associated to lack of uterine adenogenesis or endometrial gland dysgenesis of female dromedary camels (camelus dromedarius). | the developmental disruption of the müllerian duct and the endometrial dynamic can generate genital lesions that could contribute to infertility. | 2020 | 32426256 |
| prevalence, distribution on host's body, and chemical control of camel ticks hyalomma dromedarii in the united arab emirates. | camel farming remains a part of the culture of the arabian peninsula although modern methods have greatly increased camel densities in the entire region. in the united arab emirates (uae), camel production is threatened by tick parasitism. however, no study has considered assessing the magnitude of the problem in the uae. we conducted a study evaluating tick richness, abundance, and spatial distribution of ticks on camels in farms near al ain, uae. in addition, we conducted a survey of farm owne ... | 2020 | 32158160 |
| superovulation of dromedary camels with ecg: an effective and practical technique. | this study was conducted to develop simple superovulation protocols for dromedary camels using ecg. in experiment 1, camels received either 1000, 2000, 3000, 4000, 5000 or 6000 iu ecg. in experiment 2, camels received either 400 mg fsh (folltropin-v) twice-daily over 5 days or 3000 iu ecg. in experiment 3, camels received 3000 iu ecg either at 2, 3, 4 or 5 days after ovulation induction. ovarian response and embryo yield were evaluated in all experiments and embryos collected from camels treated ... | 2020 | 32325323 |
| first serological evidence of the rift valley fever phlebovirus in tunisian camels. | rift valley fever (rvf) is a mosquito-borne zoonosis that severely impacts livelihoods, national and international economies, and human health. few studies have investigated the prevalence of this infection in tunisian livestock. the present report aimed to update the epidemiological status and identify the risk factors associated with this rvf virus infection in the one-humped dromedary camel from arid areas. a total of 470 sera of apparently healthy camels (camelus dromedarius) were collected ... | 2020 | 32325049 |
| investigation of a cluster of severe respiratory disease referred from uganda to kenya, february 2017. | on february 22, 2017, hospital x-kampala and us cdc-kenya reported to the uganda ministry of health a respiratory illness in a 46-year-old expatriate of company a. the patient, mr. a, was evacuated from uganda to kenya and died. he had recently been exposed to dromedary camels (mers-cov) and wild birds with influenza a (h5n6). we investigated the cause of illness, transmission, and recommended control. we defined a suspected case of severe acute respiratory illness (sari) as acute onset of fever ... | 2020 | 32324075 |
| calving date and its variability as a potential trait in the breeding objective to account for reproductive seasonality in alpacas. | the low fertility and offspring survival indicators in alpacas can be partially due to their particularity seasonal reproduction that reduces the opportunities of the females to become pregnant within a season, with the survival of the offspring concerned by the availability of food and exposure to diseases that depends on the calving date. optimizing the date of delivery and reducing its variability are shown as eligible criteria that could be used as selection criteria within the genetic impro ... | 2020 | 32320085 |
| subclinical mastitis in pastoralist dairy camel herds in isiolo, kenya: prevalence, risk factors, and antimicrobial susceptibility. | mastitis is an important constraint to milk production in pastoralist camel (camelus dromedarius) herds in kenya. the objective of this study was to investigate the prevalence, risk factors, and bacterial panorama of subclinical mastitis (scm) in pastoralist camel herds in isiolo county, kenya. furthermore, antimicrobial susceptibility in udder pathogens was studied. a cross-sectional sample of 206 camels from 20 milking herds was screened using the california mastitis test (cmt), and quarter mi ... | 2020 | 32171518 |
| thermotolerance and plasticity of camel somatic cells exposed to acute and chronic heat stress. | the arabian camel is the largest known mammal that can survive in severe hot climatic conditions. we provide the molecular explanation for the thermotolerance of camel granulosa somatic cells after exposure to 45 °c for 2 (acute heat shock) or 20 h (chronic heat shock). the common features of the cellular responses to acute heat stress were the increase of heat shock proteins and dna repair enzymes expression. actin polymerization and rho signaling were critically activated as a cellular defense ... | 2020 | 31969994 |
| influenza a virus infections in dromedary camels, nigeria and ethiopia, 2015-2017. | we examined nasal swabs and serum samples acquired from dromedary camels in nigeria and ethiopia during 2015-2017 for evidence of influenza virus infection. we detected antibodies against influenza a(h1n1) and a(h3n2) viruses and isolated an influenza a(h1n1)pdm09-like virus from a camel in nigeria. influenza surveillance in dromedary camels is needed. | 2020 | 31855544 |
| seroprevalence and molecular characterization of foot-and-mouth disease virus in chad. | this study aimed at determining the seroprevalence of foot-and-mouth disease (fmd) in domestic ruminants and at characterizing the virus strains circulating in four areas of chad (east batha, west batha, wadi fira and west ennedi). the study was carried out between october and november 2016. a total of 1,520 sera samples (928 cattle, 216 goats, 254 sheep and 122 dromedaries) were collected randomly for fmd serological analyses. nine epithelial tissue samples were also collected from cattle showi ... | 2020 | 31845545 |
| preliminary comparative assessment of brucellergene skin test for diagnosis of brucellosis in dromedary camels (camelus dromedarius). | this study was conducted to evaluate the use of brucellergene skin test (bst) for the diagnosis of brucellosis in camels (camelus dromedarius) in comparison with rose bengal test (rbt) and competitive enzyme-linked immunosorbent assay (c-elisa). a total of 68 apparently healthy adult dromedary camels of either gender from three different geographical locations of abu dhabi emirate, united arab emirates (uae), were included in the study. the skin test was applied on two shaved areas at the middle ... | 2020 | 32077807 |
| isolation and characterization of vaginal lactobacillus spp. in dromedary camels (camelus dromedarius): in vitro evaluation of probiotic potential of selected isolates. | lactobacillus spp. is one of the beneficial lactic acid producing microbiota in the vagina, which is important for a healthy vaginal environment. however, little is known about vaginal lactobacillus in dromedary camels (camelus dromedarius). therefore, this study aimed to isolate vaginal lactic acid bacteria (lab) in dromedary camels and to study the probiotic potential of selected isolates. a total of 75 vaginal swabs were collected from pluriparous, non-pregnant, non-lactating dromedary camels ... | 2020 | 32071813 |
| dromedary camel cd14high mhciihigh monocytes display inflammatory properties and are reduced in newborn camel calves. | in human and different animal species, blood monocytes are classified based on their expression pattern of different monocytic markers into phenotypically and functionally different subsets. in the current study, we used flow cytometry and monoclonal antibodies to cd172a, cd14, cd163 and mhcii to identify monocyte subsets in peripheral blood of dromedary camels. | 2020 | 32070351 |
| meat quality characteristics of the arabian camel (camelus dromedarius) at different ages and post-mortem ageing periods. | meat quality characteristics and sensory attributes were evaluated in three age groups (12, 18, and 24 mo) of one-humped camels of the saudi arabian najdi breed. | 2020 | 32054218 |
| determination of zinc in camel skin using laser-induced breakdown spectroscopy. | zinc plays a major role in skin integrity, which can be affected by dromedary camels' hard life conditions. deficiencies in some trace elements especially in zinc can explain susceptibility of this species to skin diseases. compared with ruminants, camel is already known for his relatively low zincemia. in order to assess dromedary camels' skin zinc content, the present study was carried out in several provinces located in the south of morocco where camel skin diseases are commonly observed. zin ... | 2020 | 32034682 |
| ovary and ovarian bursa in dromedary camels: clinical relevance of the topographical features. | this study aimed to associate ovarian characteristics with the efficiency of clinical examination and occurrence of genital diseases in dromedary camels. the reproductive tract of 870 female camels was examined through standard transrectal palpation and by ultrasonography during the breeding season. the ovaries were examined for structures and dimensions. the follicles were categorized according to size, the thickness of the wall and contents. follicle aspiration was carried out from females wit ... | 2020 | 32030811 |
| camelid type i interferons: identification and functional characterization of interferon alpha from the dromedary camel (camelus dromedarius). | investigations into the molecular immune response of dromedary camel, a key livestock species of the arid, have been limited due to the lack of species-specific reagents. here we describe for the first time, the identification and characterization of type i ifns of dromedary camel, which are the most important cytokines in the innate host immune response against viruses. we cloned camel ifn-α coding sequences and identified a total of eleven subtypes. the canonical ifn-α subtype designated as if ... | 2020 | 32014632 |
| nanobody against pdl1. | programmed death ligand 1 (pdl1, cd274, b7-h1) has been identified as the ligand for the immune inhibitory receptor programmed death 1 protein (pd1/pdcd1). pdl1 is a member of b7 family of immune molecules and this protein together with pdl2, are two ligands for pd1 expressed on activated lymphoid cells. by binding to pd1 on activated t cells, pdl1 may inhibit t cell responses by inducing apoptosis. accordingly, it leads to the immune evasion of cancers and contribute to tumor growth, thus pdl1 ... | 2020 | 32006351 |
| seroprevalence of mers-cov in healthy adults in western saudi arabia, 2011-2016. | the middle east respiratory syndrome coronavirus (mers-cov) is a newly recognized zoonotic coronavirus. current evidence confirms the role of dromedaries in primary human infections but does not explain the sporadic community cases. however, asymptomatic or subclinical cases could represent a possible source of infection in the community. | 2020 | 32005618 |
| tuberculosis in small ruminants and dromedary camels in ethiopia: a systematic review and meta-analysis. | tuberculosis (tb) is a chronic infectious disease of livestock with serious economic and public health impact in ethiopia. the disease is reported from cattle, small ruminants and dromedary camels in the country. however, there is no organized summary report on the magnitude and distribution pattern of tb in small ruminants and dromedary camels, unlike that of bovine tb. consequent to this gap, this review was organized to provide pooled prevalence estimates, and examine level of heterogeneity a ... | 2020 | 33166824 |
| scanning electron microscopy of onchocerca fasciata (filarioidea: onchocercidae) adults, microfilariae and eggs with notes on histopathological findings in camels. | onchocerca fasciata is a prevalent filarial species in camelids of asia and africa forming nodules in the skin of dromedary and bactrian camels. in spite of recent advances in the biology and epidemiology of this nematode species, a relatively scant number of studies have focussed on the morphology of this parasite. the main objective of this study was to describe morphological characteristics of adults, microfilariae and eggs of o. fasciata by scanning electron microscopy (sem), staining and hi ... | 2020 | 32404208 |
| investigation of internal and external parasites of the camels (camelus dromedarius) in algeria. | parasitic diseases are one of the dominant pathological entities with significant consequences on camel productivity. this survey was carried out to determine the prevalence of camel infection with internal and external parasites in two regions in southern algeria, between january and december 2015. the investigation of external parasites was carried out in oued souf and concerned 406 camels. for internal parasites, two studies were conducted; the first was realized at the slaughterhouse in the ... | 2020 | 33128515 |
| investigation of total immunoglobulin g concentration, heavy chain antibody levels, and neutrophil to lymphocyte ratio in female camels and their newborn calves. | camels belong to a group of animals, where the structure of placenta does not allow intrauterine transfer of maternal immunoglobulins to the fetus and maternal immunity is exclusively transferred by colostrum to the newborn calf. there are few studies on the passive transfer of maternal immunity in the dromedary camel. this study determined total immunoglobulin g concentration, heavy chain antibody (hcabs) levels, and neutrophils to lymphocytes ratio (nlr) in female camels and their newborn calv ... | 2020 | 32996038 |
| reconstruction of third-degree perineal lacerations in female camels (camelus dromedarius) using a modified goetz one-stage repair technique. | this study was designed to evaluate the modified goetz-one-stage repair technique for reconstruction of third-degree perineal lacerations (tdpls) in female camels. fifteen female dromedary camels with tdpl were surgically reconstructed using the modified goetz one-stage repair using the three-line closure technique. the surgical outcomes, the interval between repair and breeding, and the postoperative conception of the operated female camels were recorded and analyzed. during the 12-month postop ... | 2020 | 33116026 |
| cystic echinococcosis of camels: 12s rrna gene variation revealed changing pattern of genetic diversity within echinococcus granulosus sensu lato in the middle east and north/sub-saharan africa. | cystic echinococcosis (ce) is one of the most widespread zoonotic diseases, with considerable public health and economic importance. camels play a significant role in transmission cycle of echinococcus granulosus especially, in the middle east and north africa (mena). the present study aimed to identify the genetic variation and haplotype distribution of camel isolates of e. granulosus sensu lato using all existing e. granulosus mitochondrial dna data from camels in different parts of the world. ... | 2020 | 33094107 |
| leukocyte populations in peripheral blood of dromedary camels with clinical endometritis. | endometritis represents the main cause of reproductive failure in dromedary camels. in dromedary camels, associations between endometritis-causing pathogen-species, disease severity, and systemic changes in the immune system have not been evaluated. in the current study, there was use of flow cytometry and immunofluorescence of membrane proteins for the evaluation of leukocyte subsets and the cellular phenotype in blood of camels with clinical endometritis and evaluations of associations with di ... | 2020 | 32980651 |
| comparative evaluation of sedative and clinical effects of dexmedetomidine and xylazine in dromedary calves (camelus dromedarius). | to compare the sedative and clinical effects of intravenous (iv) administration of dexmedetomidine and xylazine in dromedary calves. | 2020 | 31992523 |
| role of a noncanonical disulfide bond in the stability, affinity, and flexibility of a vhh specific for the listeria virulence factor inlb. | a distinguishing feature of camel (camelus dromedarius) vhh domains are noncanonical disulfide bonds between cdr1 and cdr3. the disulfide bond may provide an evolutionary advantage, as one of the cysteines in the bond is germline encoded. it has been hypothesized that this additional disulfide bond may play a role in binding affinity by reducing the entropic penalty associated with immobilization of a long cdr3 loop upon antigen binding. to examine the role of a noncanonical disulfide bond on an ... | 2020 | 31981247 |
| analysis of variation in growth and spline-based growth models for marecha and lassi dromedary camels. | camel is an important domestic animal that is well adapted to extremely harsh environments. due to its multi-purpose role, the camel is gaining importance, particularly as a meat producer. body weights at different ages and growth curves have been extensively studied in several livestock species. however, the information on the camel is very limited. we investigate patterns of variation in birth weight and weaning weight of two prominent breeds of camels in pakistan, namely marecha and lassi. a ... | 2020 | 32157518 |
| genetic parameters of birth weight trait in dromedary camels (camelus dromedarius). | birth weight data of dromedary calves from the database of one of the world's largest dairy herds (dubai, uae) were analyzed for the period from 2007 to 2018. the assessment included the data of 4124 camel calves that were classified into six ecotypes (emirate, emirate crossed, black, pakistanian, saudi-sudanian, and saudi crossed). the aim of the study was to describe the heritability of birth weight of calves and the breeding value of sires. genetic parameters of birth weight were estimated by ... | 2020 | 32157517 |
| comprehensive genomic analysis of the dromedary t cell receptor gamma (trg) locus and identification of a functional trgc5 cassette. | the emergent availability in public databases of more complete genome assemblies allows us to improve genomic data obtained by classical molecular cloning. the main goal of this study was to refine the genomic map of the dromedary trg locus by integrating our previous genomic data with the analysis of recent genomic assemblies. we identified an additional trgc cassette, defined as a v-j-c recombination unit, located at the 5' of the locus and made up of five trgv genes followed by three trgj gen ... | 2020 | 31962062 |
| anatomical features in the kidney involved in water conservation through urine concentration in dromedaries (camelus dromedarius). | the aim of this study was to report some of the morphological characteristics of the kidney involved in urine concentration and hence water conservation in the dromedaries. a total of 20 fresh kidneys of 10 apparently healthy camels were used in this study. the architecture of the renal pelvis was revealed by dissection and polyvinyl chloride corrosion casts. samples were also processed for histology and for enzyme histochemistry. the camel kidney is bean shaped, smooth, multilobar, unipapillary ... | 2020 | 31922050 |
| indigenous medicinal uses, toxicity, and chemical composition of browsing plant used by camel in ethiopia somali regional state: a survey. | camels (camelus dromedarius) have access to different browsing plant that is a major source of feed and therapeutic value but also has the potential to cause poisoning to the camel. a survey was conducted between july and september 2017 to generate information on medicinal uses, toxicity, and chemical composition of major browsing plant in the somali regional state of ethiopia. a total of 150 respondents were interviewed using a structured questionnaire, and supplementary information was gathere ... | 2020 | 31845116 |
| electrospray ionization mass spectrometry characterization of ubiquitous minor lipids and oligosaccharides in milk of the camel (camelus dromedarius) and their inhibition of oxidative stress in human plasma. | the aim of this study was to characterize minor lipids in methanol fraction extracted from raw camel milk after loading it on a water-preconditioned short c18 open column and fractionating with a gradient of methanol/water. the c18 column showed high fractionation efficiency of minor lipids, such as glycosphingolipids, lipopolysaccharides, or oligosaccharides, when compared with other constituents, in particular polysaccharides, proteins, and free fatty acids. liquid chromatography electrospray ... | 2020 | 31677836 |
| isolation and structural characterization of a zn2+-bound single-domain antibody against norc, a putative multidrug efflux transporter in bacteria. | single-chain antibodies from camelids have served as powerful tools ranging from diagnostics and therapeutics to crystallization chaperones meant to study protein structure and function. in this study, we isolated a single-chain antibody from an indian dromedary camel (icab) immunized against a bacterial 14tm helix transporter, norc, from staphylococcus aureus we identified this antibody in a yeast display screen built from mononuclear cells isolated from the immunized camel and purified the ant ... | 2020 | 31699895 |
| genotyping and antimicrobial susceptibility of clostridium perfringens isolated from dromedary camels, pastures and herders. | the present study aimed to isolate and genotype c. perfringens from healthy and diarrheic dromedary camels, pastures and herders; and to evaluate and compare antimicrobial susceptibility of the isolates. a total of 262 (56.3%) c. perfringens isolates were recovered from 465 samples of healthy and diarrheic dromedary camels, pastures and herders. c. perfringens type a (75.2%), type b (4.2%), type c (13.7%) and type d (6.9%) were detected. c. perfringens type a with only cpa+ gene was found in 191 ... | 2020 | 32145560 |
| molecular characterization and diagnostic investigations of rabies encephalitis in camels (camelus dromedaries) in oman: a retrospective study. | the accurate and early diagnosis of rabies is critical for undertaking public health measures in animals. the aim of the current study was to identify the molecular characterization of the circulating rabies virus (rabv) among camels (camelus dromedaries) in oman and to evaluate the efficacy of the histopathology and reverse transcription polymerase chain reaction (rt-pcr) as diagnostic tools of acute rabies encephalitis in camels in comparison with direct fluorescent antibody test (dfat). of th ... | 2020 | 32124182 |
| ultrasonography of the liver in healthy and diseased camels (camelus dromedaries). | in camels, hepatic diseases are relatively common and most of them are misdiagnosed as a cause of illness because signs may be subtle. in addition, diagnostic laboratory methods are insufficient as hepatic enzymes can also be elevated in camels with cardiac or skeletal muscle damage. examples of liver diseases in camels are hepatic lipidosis, hepatitis, cirrhosis, hepatic necrosis, choleostasis, hyperplasia of biliary epithelium, hydatid cysts, glycogen deposition, cholangitis, cholangiohepatiti ... | 2020 | 32101826 |
| crimean-congo hemorrhagic fever virus endemicity in united arab emirates, 2019. | we conducted a cross-sectional survey of crimean-congo hemorrhagic fever virus (cchfv) in dromedary camels and attached ticks at 3 locations in the united arab emirates. results revealed a high prevalence of cchfv-reactive antibodies in camels and viral rna in ticks and camel serum, suggesting the virus is endemic in this country. | 2020 | 32097111 |
| cefotaxime pharmacokinetics in arabian camel (camelus dromedarius) calves after single intravenous injection. | cefotaxime is a third-generation broad-spectrum cephalosporin acting on a wide range of gram-positive and gram-negative bacteria. in this work, the pharmacokinetics of cefotaxime were determined in dromedary camel calves by single intravenous injection of 10 mg/kg b.w. cefotaxime levels were estimated by ultra-high performance liquid chromatography-mass spectrometry (uplc-ms/ms). cefotaxime pharmacokinetics in camel calves obeyed three-compartment kinetics model. there was a central compartment ... | 2020 | 31696417 |
| relationship between concentrations of macro and trace elements in serum and follicular, oviductal, and uterine fluids of the dromedary camel (camelus dromedarius). | this study aimed at investigating the relationship between concentrations of macro and trace elements in blood serum, and fluids from small and large follicles (sff and lff, respectively), oviduct (of), and uterus (uf) of female dromedary camels. fluids from small (2-6 mm) and large follicles (7-20 mm), oviduct and uterus, and blood samples were collected from 19 camels. the results indicated that the concentrations of serum mg, fe, and mn were significantly higher than their follicular fluid, o ... | 2020 | 31760562 |
| comparison between the effects of adding vitamins, trace elements, and nanoparticles to shotor extender on the cryopreservation of dromedary camel epididymal spermatozoa. | there are several obstacles in camel semen cryopreservation; such as increasing semen viscosity and the reduction in motile spermatozoa after ejaculation. epididymal spermatozoa offer an efficient alternative to overcome these problems and are well-suited for artificial insemination in camels. in the current study, we compared the effects of supplementation with vitamin c, e, inorganic trace elements of selenium (na2seo3) and zinc (znso4), and zinc and selenium nanoparticles (znonps and senps, r ... | 2020 | 31906462 |
| considerations for the development of a dromedary camel (camelus dromedarius) semen collection centre. | the dromedary camel (dc) is a strategic animal for the exploitation of the desert and unhospitable lands (arid and semiarid areas). these animals are a genetic resource, locally adapted and more resilient to these environs, that may significantly contribute to food security and sustainable development of marginal land areas. artificial insemination is the least invasive, least expensive technique for improving genetic selection and minimising transmission of venereal disease among animals and he ... | 2020 | 31864495 |
| microbiota associated with dromedary camel milk from algerian sahara. | despite the fact that camel milk represents a valuable food source, the fungal diversity of raw camel milk has been poorly studied so far. here, we investigated the fungal and bacterial communities found in dromedary camel milk from ghardaia, a representative region of algerian sahara. the application of both culture-dependent and independent molecular techniques, based on dhplc analysis and metabarcoding of its region, provided a complementary biodiversity assessment of camel milk fungi which w ... | 2020 | 31655861 |
| composition of bacterial and archaeal communities in the rumen of dromedary camel using cdna-amplicon sequencing. | the camel is known to survive in harsh environmental conditions, due to its higher digestive efficiency of high-fiber diets compared with other ruminants. however, limited data are available on the microbial community in the rumen of a camel. in this study, the illumina sequencing of v4 region of 16s rrna genes based on rna isolation was employed to get insight into the bacterial and archaeal communities associated with liquid and solid rumen fractions in eight camels under different feeding sys ... | 2020 | 31432356 |
| genetic diversity of groel and msp4 sequences of anaplasma ovis infecting camels from tunisia. | to date, no information is available regarding the infection of camels (camelus dromedarius) by anaplasma ovis in north african region. several animal species can be infected by a. ovis which further complicates its natural infection cycle. in this paper, we investigated the occurrence and the genetic diversity of a. ovis in camels and ticks collected from them in tunisia and the risk factor analysis. camel blood samples (n = 412) and tick (n = 300) samples, identified as hyalomma dromedarii (n ... | 2020 | 31518651 |
| comparison of pregnancy rates with transfer of in vivo produced embryos derived using multiple ovulation and embryo transfer (moet) with in vitro produced embryos by somatic cell nuclear transfer (scnt) in the dromedary camel (camelus dromedaries). | in the present study, there was comparison of pregnancy rates with transfer of in vivo-produced embryos using multiple ovulation and embryo transfer (moet) with in vitro-produced embryos by somatic cell nuclear transfer (scnt) in dromedary camels. in vivo-produced embryos were collected from donors after super-stimulation of follicular development on day 7 after ovulation, while in vitro-derived embryos were produced using scnt from in vivo-matured oocytes collected from camels after follicular ... | 2019 | 31514928 |
| individual male dependent improvement in post-thaw dromedary camel sperm quality after addition of catalase. | cryopreservation is stressful to sperm cells inducing an increase in the production of reactive oxygen species and subsequently reducing post-thaw sperm quality. with the present study, there was evaluation of the protective effects of two antioxidants, epigallocatechin (1 mm) and catalase (500 iu/ml), added at thawing, as well as inter-individual variation on quality of cryopreserved dromedary camel spermatozoa. semen was collected from six males and sperm, selected using single layer centrifug ... | 2019 | 31514924 |
| survival, re-expansion, and pregnancy outcome following vitrification of dromedary camel cloned blastocysts: a possible role of vitrification in improving clone pregnancy rate by weeding out poor competent embryos. | there is a clinical demand for efficient cryopreservation of cloned camel embryos with considerable logistic and economic advantage. vitrification of in vivo derived embryos has been reported in camels, but there is no study on vitrification of cloned embryos. moreover, whether characteristic differences between cloned and in vivo derived embryos imply different vitrification requirement is unresolved. here, we compared survival, re-expansion and pregnancy rates of cloned embryos vitrified using ... | 2019 | 31401082 |
| chemical composition and quality characteristics of meat in three one-humped camel (camelus dromedarius) breeds as affected by muscle type and post-mortem storage period. | the influence of muscle type and postmortem storage period on meat chemical composition and quality attributes of three breeds of camels (baladi saudi, pakistani, and somali) were investigated in this study. crude fat and ash content were significantly higher in the pakistani than in the baladi saudi and somali breeds, except for higher moisture content observed in the somali breed. the longissimus lumborum (ll) and semimembranosus (sm) muscles had a greater crude protein than the biceps femoris ... | 2019 | 31635171 |
| rhipicephalus sanguineus sensu lato from dogs and dromedary camels in riyadh, saudi arabia: low prevalence of vector-borne pathogens in dogs detected using multiplexed tandem pcr panel. | despite the global distribution of the brown dog tick, rhipicephalus sanguineus (latreille, 1806) sensu lato (s.l.), limited information exists about their identity from the arabian peninsula. ticks from free roaming urban dogs and dromedary camels in riyadh, saudi arabia were morphologically identified, confirmed with scanning electron microscopy and characterised at mitochondrial dna (cox1, 12s rdna and 16s rdna). a total of 186 ticks were collected from 65 free roaming dogs (n = 73) and 84 dr ... | 2019 | 31332102 |
| comparative analysis of camelid mitochondrial genomes. | camelus dromedarius has played a pivotal role in both culture and way of life in the arabian peninsula, particularly in arid regions where other domestic animals cannot be easily domesticated. although, the mitochondrial genomes have recently been sequenced for several camelid species, wider phylogenetic studies are yet to be performed. the features of conserved gene elements, rapid evolutionary rate, and rare recombination make the mitochondrial genome a useful molecular marker for phylogenetic ... | 2019 | 31544791 |