| impact of early weaning on constituents and nutritional values of camel milk in modern system. | camel milk is very suitable for human nutritional requirements, and its composition has similarities to mother's milk. many scientific researches focusing on the myth of nutritional and therapeutic properties of camel milk have been brought to public attention. | 2020 | 32821668 |
| 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 |
| 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 |
| 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 |
| effects of androgens and rutting season on drug metabolizing enzymes in dromedary camels. | a series of experiments were conducted to investigate the effect of rutting season on metabolism of testosterone (t) and its effect on drug metabolizing enzymes in dromedary camels. serum and tissue samples were collected from liver, testes and poll glands of rutting and non- rutting camels treated with t at a dose of 0.5 mg/kg or 5α-dihydrotestosterone (dht) at a dose of 0.2 mg/kg, given intramuscularly for 7 days. liver samples were also used to monitor drug metabolizing enzymes. testosterone ... | 2020 | 32714453 |
| pregnancy and calving rates of cloned dromedary camels produced by conventional and handmade cloning techniques and in vitro and in vivo matured oocytes. | despite practical implication of cloning in camelids, its broad application has been hampered by technical and biological problems. method of somatic cell nuclear transfer (scnt) and oocyte competence are the principal technical and biological factors, respectively, that determine the cloning efficiency. this study, therefore, investigated differential contributions of two scnt methods [modified handmade cloning (mhmc) vs. conventional (cnt)] and two recipient oocyte sources [abattoir-derived (v ... | 2020 | 32666261 |
| 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 |
| factors affecting milk yield and composition of tunisian camels (camelus dromedarius) over complete lactation. | this study aimed to investigate the milk production potential and the impact of nongenetic factors on milk yield and composition of tunisian dromedary camels. milk recording and sampling were carried out at monthly intervals over complete lactation for 3 years from 95 camels reared in intensive and semi-intensive systems. the overall means of daily milk yield and fat, protein, total solids, and ash contents were 4.21 ± 1.98 l/day, 2.45 ± 0.9%, 2.67 ± 0.74%, 10.75 ± 1.41%, and 0.85 ± 0.08%, respe ... | 2020 | 32642909 |
| 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 |
| 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 |
| 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 |
| detection of blood pathogens in camels and their associated ectoparasitic camel biting keds, hippobosca camelina: the potential application of keds in xenodiagnosis of camel haemopathogens. | background: major constraints to camel production include pests and diseases. in northern kenya, little information is available about blood-borne pathogens circulating in one-humped camels ( camelus dromedarius) or their possible transmission by the camel haematophagous ectoparasite, hippobosca camelina, commonly known as camel ked or camel fly. this study aimed to: (i) identify the presence of potentially insect-vectored pathogens in camels and camel keds, and (ii) assess the potential utility ... | 2019 | 32510036 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| foot and mouth disease virus serological study of dromedary camels in oman. | the potential role of camels in the epidemiology of foot and mouth disease in oman was investigated. sera from local dromedaries (n = 151) that graze with animals (cattle and small ruminants) positive for foot and mouth disease virus (fmdv) non-structural protein antibody (nsp-ab) were tested for the detection of fmdv nsp-ab. the samples were tested using a commercial competitive enzyme-linked immunosorbent assay (celisa) , a rapid immunochromatographic assay and a solid-phase celisa for the det ... | 2019 | 32286571 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| evidence of peste des petits ruminants' virus in dromedary camels in the kingdom of saudi arabia between 2014 and 2016. | infection with the peste des petits ruminants virus (pprv) is a highly devastating viral infection of small ruminants. dromedary camels live in close proximity of small ruminants in arabian peninsula (ap) and many other regions in the world. little is known about the reasons behind continuous pprv emergence in saudi arabia (ksa). our objective was to test some dromedary camel population across the kingdom for the presence of specific pprv antibodies. our results show detection of specific pprv a ... | 2019 | 32089813 |
| 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 |
| salmonella enterica and theileria co-infection in dromedary camels (camelus dromedarius) in uae. | despite a steady increase in camel husbandry worldwide, pathology of camel diseases is still relatively under-investigated. clinical hematuria is generally indicative of either acute or chronic urogenital inflammations, traumatic calculous injuries, cancers, corrosive poisonings. infectious agents are not typically implicated in urinary tract infection of camels. | 2019 | 31998621 |
| 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 |
| 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 |
| 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 |
| 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 |
| parasitological, serological and molecular survey of camel trypanosomiasis in somalia. | camel trypanosomiasis or surra is of great concern in somalia, since the country possesses the largest one-humped camel (camelus dromedarius) population in the world. civil war in somalia has resulted in the destruction of educational, research, economic and social structures, making the country scores very low for most humanitarian indicators. previous studies on detection of trypanosoma species in somali camels have only been performed during the 1990s using standard trypanosome detection meth ... | 2019 | 31864389 |
| 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 |
| 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 |
| enzootic patterns of middle east respiratory syndrome coronavirus in imported african and local arabian dromedary camels: a prospective genomic study. | the middle east respiratory syndrome coronavirus (mers-cov) is a lethal zoonotic pathogen endemic to the arabian peninsula. dromedary camels are a likely source of infection and the virus probably originated in africa. we studied the genetic diversity, geographical structure, infection prevalence, and age-associated prevalence among camels at the largest entry port of camels from africa into the arabian peninsula. | 2019 | 31843456 |
| preservation of dromedary camel embryos at 4 °c for up to 5 days: factors affecting the pregnancy and pregnancy loss rates. | the aims of the present study were to evaluate the effect of cooling of the dromedary camel embryos on the pregnancy and pregnancy loss rates, and to investigate the factors which might affect the outcomes of the transfer of cooled embryos. after the donors (n = 56) had been super-ovulated and mated, they were flushed at day 8 or 9 post-mating. of 487 collected embryos, 110 were refrigerated at 4°c for up to 5 days in holding medium (hm), flushing medium supplemented with 10% fetal calf serum (f ... | 2020 | 31835099 |
| histological characterization of the lingual tonsils of the one-humped camel (camelus dromedarius). | tonsils are located in the entrance of digestive and respiratory tracts forming waldeyer's ring that reacts against ingested or inhaled antigens. on occasion, tonsils may be a site of entry and replication for some pathogens. the lingual tonsils are a main constituent of the waldeyer's ring. despite the immunological importance of the lingual tonsils, there is limited information about their structure in the one-humped camel. the lingual tonsils of 10 clinically healthy male camels (3-25 years) ... | 2020 | 31811405 |
| a review of asymptomatic and subclinical middle east respiratory syndrome coronavirus infections. | the epidemiology of middle east respiratory syndrome coronavirus (mers-cov) since 2012 has been largely characterized by recurrent zoonotic spillover from dromedary camels followed by limited human-to-human transmission, predominantly in health-care settings. the full extent of infection of mers-cov is not clear, nor is the extent and/or role of asymptomatic infections in transmission. we conducted a review of molecular and serological investigations through pubmed and embase from september 2012 ... | 2019 | 31781765 |
| 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 |
| performance of an immunochromatographic test (ict) in comparison to some commonly used serological tests for the diagnosis of brucellosis in dromedary camels (camelus dromedarius). | serological tests may represent an essential tool for the diagnosis of camel brucellosis; however, concerns arise in the scientific community regarding the direct transposition from cattle and small ruminants without adequate validation. the present study was made to compare four serological tests for the diagnosis of brucellosis in dromedary camels (camelus dromedarius). in terms of sensitivity, our results show that the immunochromatographic test (ict) shows the higher value of sensitivity, 98 ... | 2019 | 31757071 |
| efficiency of commercial egg yolk-free and egg yolk-supplemented tris-based extenders for dromedary camel semen cryopreservation. | this study compared the efficiency of commercial egg yolk-free (andromed, optixcell) and egg yolk-supplemented (triladyl, steridyl) tris-based extenders for semen cryopreservation in seven adult dromedary camels. the camel-specific extender shotor was used as control. the collected semen samples were evaluated and diluted with shotor, triladyl, steridyl, andromed, or optixcell. the diluted semen was gradually cooled and equilibrated for two hours before liquid nitrogen freezing. semen was evalua ... | 2019 | 31752406 |
| protozoan and helminthes parasites endorsed by imported camels (camel dromedaries) to egypt. | the prevalence and species spectrum of some blood and intestinal parasites affecting imported camels was studied on a total of 120 clinically suspected camels (males) imported to egypt from sudan during the period from january till july 2016 in abu-simbel quarantine station, aswan governorate. blood and fecal samples were collected from all camels under the study. the fecal samples were collected and examined by sedimentation-floatation techniques for detection of parasitic eggs/oocysts. coprolo ... | 2019 | 31749532 |
| investigation of rumen fermentation parameters and some blood metabolites of dromedary camels fed with c3 and c4 forages. | the aim of this experiment was to investigate rumen fermentation and some blood parameters of dromedary camels fed with c3 and c4 forage. four fistulated dromedary adult camels were fed with diets as a changeover design, 30 days for each period. the diets included alfalfa hay + wheat straw (c3 forage) and atriplex+ suaeda + seidlitzia (c4 forage). at the end of the experiment, rumen and blood parameters, gas production of wheat straw and atriplex as a 2 × 2 factorial experiment were determined. ... | 2019 | 31737234 |
| corrigendum to "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" [cryobiology 90 (2019) 75-82]. | | 2019 | 31733790 |
| evaluation of laboratory application of camelid sera containing heavy-chain polyclonal antibody against recombinant cytotoxic t-lymphocyte-associated protein-4. | cytotoxic t-lymphocyte-associated protein-4 (ctla-4) is a critical negative immunomodulatory receptor that is normally expressed in activated t cells and noticeably, in many cancerous cells. indeed, molecular detection of ctla-4 protein is crucial in basic research. in this work, the extracellular domain of the human ctla-4 (hctla-4) protein was cloned, expressed, and purified. subsequently, this protein was used as an antigen for camel (camelus dromedarius) immunization to obtain polyclonal cam ... | 2019 | 31718460 |
| humoral immunogenicity and efficacy of a single dose of chadox1 mers vaccine candidate in dromedary camels. | mers-cov seronegative and seropositive camels received a single intramuscular dose of chadox1 mers, a replication-deficient adenoviral vectored vaccine expressing mers-cov spike protein, with further groups receiving control vaccinations. infectious camels with active naturally acquired mers-cov infection, were co-housed with the vaccinated camels at a ratio of 1:2 (infected:vaccinated); nasal discharge and virus titres were monitored for 14 days. overall, the vaccination reduced virus shedding ... | 2019 | 31705137 |
| 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 |
| artificial insemination with fresh, liquid stored and frozen thawed semen in dromedary camels. | this study was conducted to evaluate various factors affecting fertility following insemination of dromedary camels. in experiment 1, camels were either bred by natural mating (nm) or inseminated in the body of uterus with whole, split (50:50) or 1 ml of undiluted ejaculate. in experiment 2, camels were inseminated with fresh diluted semen either in the body of the uterus or tip of the uterine horn and at either the time of ovulation induction (0 h), 24 or 30 h later. in experiment 3, camels wer ... | 2019 | 31697770 |
| 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 |
| evaluation of serological assays available in a biosafety level 2 laboratory and their application for survey of middle east respiratory syndrome coronavirus among livestock in ethiopia. | a serological survey of middle east respiratory syndrome coronavirus (mers-cov) was conducted among dromedary camels and herbivorous animals sharing the same pasturage in ethiopia. the pseudotyped vesicular stomatitis virus coated with the spike protein of mers-cov was used in virus neutralization (vn) tests performed in a biosafety level (bsl)-2 laboratory. the results were similar to those obtained from the vn test using live mers-cov and were more sensitive than the elisa performed using synt ... | 2019 | 31685722 |
| 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 |
| molecular evidence of influenza a virus circulation in african dromedary camels imported to saudi arabia, 2017-2018. | little is known about influenza a viruses in dromedaries. here, we detected influenza a viral rna in 11 specimens (1.7 %) out of 665 nasal swabs collected from dromedaries between 2017 and 2018 in saudi arabia. positive samples were detected only in imported camels from sudan and djibouti but not local ones. partial genome sequencing indicates a close relationship to 2009-2019 human/swine influenza a h1n1 isolates from different countries, suggesting possible interspecies transmission. taken tog ... | 2019 | 31660338 |
| identifying potential thermal drivers of sudomotor in camels (camelus dromedarius). | the mechanism of sudomotor regulation in the family camelidae, as in other mammals, is poorly understood. five healthy dromedary bulls (400 kg and 4 years-old) were used to examine the interrelationship of sweating rate (sr) with ten thermal parameters measured (and/or estimated) every 3-hr for a 24-hr time period under natural and shaded environmental conditions, in order to subsequently identify the potential thermal drivers of sudomotor in this species. results revealed that all parameters, i ... | 2019 | 31657754 |
| 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 |
| serological evidence of mers-cov and hku8-related cov co-infection in kenyan camels. | dromedary camels are important reservoir hosts of various coronaviruses, including middle east respiratory syndrome coronavirus (mers-cov) that cause human infections. cov genomes regularly undergo recombination during infection as observed in bat sars-related covs. here we report for the first time that only a small proportion of mers-cov receptor-binding domain positive (rbd) of spike protein positive camel sera in kenya were also seropositive to mers-cov nucleocapsid (np). in contrast, many o ... | 2019 | 31645223 |
| 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 |
| genome diversity and signatures of selection for production and performance traits in dromedary camels. | dromedary camels (camelus dromedarius) are single-humped animals found throughout the deserts of africa, the arabian peninsula, and the southwest of asia. this well-adapted species is mainly used for milk and meat production, although some specific types exhibit superior running performance and are used in racing competitions. however, neither performance nor production camels are bred under intensive genomic selection programs with specific aims to improve these traits. in this study, the full ... | 2019 | 31608121 |
| evaluation of serological responses in horses challenged with burkholderia pseudomallei using current diagnostic tests for glanders. | six horses were challenged experimentally with a strain of burkholderia pseudomallei isolated from a fatal case of the infection in a dromedary camel years earlier in the emirate of dubai. three horses were inoculated subcutaneously and in 3 the bacterium was administered by the oral route. four of the horses became serologically positive based on reactions to one or more of the oie described tests for glanders. b. pseudomallei was re-isolated from the 4 serological positive horses. only one of ... | 2019 | 31599551 |
| sedative, analgesic, behavioral and clinical effects of intravenous nalbuphine-xylazine combination in camels (camelus dromedarius). | this study examined the sedative, analgesic, behavioral, and clinical effects of a combination of xylazine (xy) and nalbuphine-xylazine (na-xy) in camels. a total of five adult camels were used in a prospective randomized cross-over design with a wash out period of two weeks. camels were allocated randomly to two treatment groups: the xy group (xylazine, 1.1ml/100 kg iv) and the na-xy group (xylazine, 1.1ml/100 kg iv and nalbuphine, 1 mg/kg iv). the sedative, analgesic, behavioral, and clinical ... | 2019 | 31565898 |