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allometric scaling of fatty acyl chains in fowl liver, lung and kidney, but not in brain phospholipids.the phospholipid (pl) fatty acyl chain (fa) composition (mol%) was determined in the kidney, liver, lung and brain of 8 avian species ranging in body mass from 150g (japanese quail, coturnix coturnix japonica) to 19kg (turkey, meleagris gallopavo). in all organs except the brain, docosahexaenoic acid (c22:6 n3, dha) was found to show a negative allometric scaling (allometric exponent: b=-0.18; -0.20 and -0.24, for kidney, liver and lung, respectively). with minor inter-organ differences, smaller ...201019961949
cyanide toxicity and interference with diet selection in quail (coturnix coturnix).cyanide is a ubiquitous substance in the environment. most of the cyanide absorbed by an animal is detoxified by enzymatic combination with sulfur, thus the detoxification process imposes a nutritional cost. in mammals, interactions among nutrients and toxics may influence the composition of the diet and food intake, as a function of positive or negative post-ingestive feedback. the present work aimed to describe the toxic effects of cyanide, and to determine whether cyanide interferes with diet ...201019969102
isolation of thermophilic campylobacter species from japanese quails (coturnix coturnix) in vom, nigeria. 201020118475
genistein suppresses spontaneous oviduct tumorigenesis in quail.spontaneous leiomyomas of the oviduct are common tumors of the japanese quail (coturnix coturnix japonica) and laying hens. this makes it a good animal model for screening potential agents for testing in the prevention and treatment of human myoma uteri. genistein has been shown to inhibit the growth of various cancer cells. we investigated the effects of genistein supplementation on the development of fibroid tumors in the oviduct, serum oxidative stress markers [malondialdehyde (mda), 8-isopro ...200920155619
expression of calcium-sensing receptor in quail granulosa explants: a key to survival during folliculogenesis.this study investigated the potential role of the calcium-sensing receptor (car) in mediating survival of granulosa cells (gcs) in follicles of the japanese quail (coturnix coturnix japonica). immunoreactivity of car was shown in gcs of quail preovulatory follicles as well as in the remnants of the gc layer after ovulation. conversely, the car could not be detected by immunocytochemistry in the granulosa of smaller undifferentiated follicles. the presence of car in follicles destined to ovulate ...201020186967
effect of dietary level of methionine on growth performance and immune response in japanese quails (coturnix coturnix japonica).methionine (met) being the first limiting amino acid in maize/soybean-based quail diets, its supplementation provides scope for improvement of protein quality and reduction of dietary protein concentration. the question remains to what extent it can be incorporated in the diet of genetically improved quails. therefore the effect of dietary met level was assessed on growth performance and immune response in growing japanese quails (n = 400) divided equally into 20 groups. five dietary treatments ...201020355070
polymerase chain reaction assay for verifying the labeling of meat and commercial meat products from game birds targeting specific sequences from the mitochondrial d-loop region.a pcr assay was developed for the identification of meats and commercial meat products from quail (coturnix coturnix), pheasant (phasianus colchicus), partridge (alectoris spp.), guinea fowl (numida meleagris), pigeon (columba spp.), eurasian woodcock (scolopax rusticola), and song thrush (turdus philomelos) based on oligonucleotide primers targeting specific sequences from the mitochondrial d-loop region. the primers designed generated specific fragments of 96, 100, 104, 106, 147, 127, and 154 ...201020371856
pathogenicity of a quail (coturnix coturnix japonica)-derived marek's disease virus rescued from the qt35 cell line.the qt35 cell line was established in 1977 from methylcholanthrene-induced tumors in japanese quail. it was later shown that at least some of the qt35 cell lines were latently infected with marek's disease (md) virus (mdv). an mdv-like herpesvirus, named quail mdv (qmdv), was isolated from qt35 cells in 2000 by yamaguchi et al. to determine the pathogenicity of qmdv, we inoculated 10-day-old specific-pathogen-free chickens with qmdv jm (virulent), rb-1b (very virulent), or 584a (very virulent pl ...201020408411
meat species identification and halal authentication analysis using mitochondrial dna.a method utilizing pcr-restriction fragment length polymorphism (rflp) in the mitochondrial genes was developed for beef (bos taurus), pork (sus scrofa), buffalo (bubalus bubali), quail (coturnix coturnix), chicken (gallus gallus), goat (capra hircus), rabbit (oryctolagus cuniculus) species identification and halal authentication. pcr products of 359-bp were successfully obtained from the cyt b gene of these six meats. alui, bsaji, rsai, msei, and bstui enzymes were identified as potential restr ...200920416658
light microscopic study on eimeria species infecting japanese quails reared in saudi arabian farms.japanese quails coturnix coturnix japonica reared in economic farms were individually investigated for coccidian infections. the results indicated the absence of infections in birds younger than 1 month. an eimeria infection rate of up to 80% was detected in birds 7-9 weeks old with a general infection rate of 29%. the infection rate decreased to 21.42% in birds older than 10 weeks. morphometric characteristics of freshly shed, unsporulated oocysts were taken. these oocysts appeared pale yellow ...201020422217
the effects of selenium supplementation on the spontaneously occurring fibroid tumors of oviduct, 8-hydroxy-2'-deoxyguanosine levels, and heat shock protein 70 response in japanese quail.oxidative stress is known to be an important contributing factor in many chronic diseases. spontaneously occurring benign oviduct leiomyomas are common tumors of the japanese quail (coturnix coturnix japonica), which makes it a good animal model for screening potential agents for testing in the prevention and treatment of human myoma uteri. since dietary intake of selenium has been associated with a reduced risk of a variety of human cancers, we investigated the effects of selenium supplementati ...201020432170
effects of an active immunization on the immune response of laying japanese quail (coturnix coturnix japonica) fed with or without genetically modified bacillus thuringiensis-maize.potentially adverse effects of diets containing transgenic plants are a concern for many consumers, particularly in europe. for bacillus thuringiensis-maize, several studies in livestock and poultry showed that the zootechnical data provide no indication for such adverse effects. these studies were all done in homeostatic situations; it remained open whether a deflection of the regulatory physiological systems might yield divergent dynamic responses in b. thuringiensis-maize-fed animals. we ther ...201020460657
effects of dietary resveratrol supplementation on egg production and antioxidant status.resveratrol, a polyphenol derived from red grapes, berries, and peanuts, exerts antiinflammatory, antioxidant, and immunomodulatory effects. the objective of this study was to investigate the effects of dietary resveratrol supplementation on performance and serum and egg yolk antioxidant status in quail (coturnix coturnix japonica). a total of 150 five-week-old quails were allocated randomly to 1 of 3 dietary treatments: basal diet and basal diet supplemented with 200 or 400 mg of resveratrol/kg ...201020460666
effects of oral administration of l-methionine on activity/rest rhythm.we describe a chronobiological study of the effects of the oral administration of the essential amino acid l-methionine to common quail ( coturnix coturnix ). this amino acid is a precursor of the neurotransmitter acetylcholine which is responsible for controlling and maintaining wakefulness through the ventrolateral pre-optic area of the hypothalamus and controlling the rem sleep in the nucleus reticularis pontinus oralis (nrpo). the quail model was chosen as these birds are monophasic and acti ...201020511132
distribution, density and histochemical profiles of the lung mast cells during the post-hatching period of japanese quails (coturnix coturnix japonica).the distribution, density and histochemical characteristics of mast cells in the lungs of the japanese quail were investigated during the post-hatching period. in the period starting from the first to the 60th day post-hatching, based on proteoglycan content, three types of mast cells, which were alcian blue-positive, safranin o-positive and alcian blue/safranin o-positive, were found to exist in the lungs. the application of staining with berberine sulphate demonstrated that, similar to the dis ...201120537669
role of marek's disease herpesvirus in the induction of tumours in japanese quail (coturnix coturnix japonica) by methylcholanthrene.the qt35 cell line, established from 20-methylcholanthrene (mca)-induced tumours in japanese quail, is positive for marek's disease virus (mdv), and therefore we examined whether mdv is important for the development of mca-induced tumours. japanese quail were inoculated with the jm16 strain of mdv at 1 or 3 days of age or left uninoculated. at 3 weeks of age, quail were injected in the breast muscle with 4 mg mca in corn oil or corn oil alone. quail were observed for tumours three times/week and ...201020544424
can museum egg specimens be used for proteomic analyses?abstract:201020630081
epigallocatechin-3-gallate prevents lipid peroxidation and enhances antioxidant defense system via modulating hepatic nuclear transcription factors in heat-stressed quails.epigallocatechin-3-gallate (egcg), a polyphenol derived from green tea, exerts antioxidant effects. oxidative stress is one of the consequences of heat stress (hs), which also depresses performance in poultry. this experiment was conducted to elucidate the action mode of egcg in alleviation of oxidative stress in heat-stressed quail (coturnix coturnix japonica). a total of 180 five-week-old female japanese quails were reared either at 22°c for 24 h/d (thermoneutral, tn) or 34°c for 8 h/d (hs) fo ...201020852116
quail genomics: a knowledgebase for northern bobwhite.the quail genomics knowledgebase (http://www.quailgenomics.info) has been initiated to share and develop functional genomic data for northern bobwhite (colinus virginianus). this web-based platform has been designed to allow researchers to perform analysis and curate genomic information for this non-model species that has little supporting information in genbank.201020946596
chronic stress and environmental enrichment as opposite factors affecting the immune response in japanese quail (coturnix coturnix japonica).procedures in the commercial production of animals involve stressful situations which lessen the animal's welfare. this study on japanese quail evaluated whether an environmental enrichment manipulation can affect avian immune responses and if combined with a chronic stressor exposure can help to counteract the negative effects of stress on the immune system. potential gender effects were also considered. after hatch, half of the birds were housed in non-enriched boxes and half were housed in en ...201021034299
characterization of lactate dehydrogenase enzyme in seminal plasma of japanese quail (coturnix coturnix japonica).lactate dehydrogenase enzyme present in quail seminal plasma has been characterized. polyacrylamide gel electrophoresis and subsequently with ldh specific staining of seminal plasma revealed a single isozyme in quail semen. studies on substrate inhibition, ph for optimum activity and inhibitor (urea) indicated the isozyme present in the quail semen has catalytic properties like ldh-1 viz. h-type. furthermore, unlike other mammalian species, electrophoretic and kinetic investigations did not supp ...201121074838
the effect of different foam concentrations on sperm motility in japanese quail.a study was conducted to determine the effect of foam extract on sperm motility in the male japanese quail (coturnix coturnix japonica). adult male quails (<12 weeks) of heavy body weight strain were housed in individual cages and divided into 5 groups according to the size of their cloacal glands. the data indicated that the size of the cloacal gland was positively correlated with the frequency of foam secretion and total foam production. one gram of freshly collected clean foam was mixed with ...201021076546
subchronic lead exposure, immunotoxicology and increased disease resistance in japanese quail (corturnix coturnix japonica).the present study investigated the effects of lead (pb) on immune responses in quail (coturnix coturnix japonica) and the pathological impact of exposure to an infectious agent (e. coli o2). fifty-four, 4-week-old quail were exposed to lead acetate in drinking water at 5 or 50ppm. all birds were vaccinated with newcastle vaccine (ndv) during the third week of contaminant (pb) exposure. in the fourth week, several arms of the immune response were tested using the t cell based phytohemagglutinin ( ...201021111478
hypocholesterolemic effect of karaya saponin in japanese laying quails (coturnix coturnix japonica).the effect of karaya saponin supplementation on the serum and egg yolk cholesterol and fatty acid composition in egg yolk were investigated in japanese quails. a total of 80 japanese quails aged 5 weeks were equally divided into four groups of 20. four levels (0, 25, 50 and 75 mg/kg feed) of karaya saponin were included in the basal diet and experiment was lasted for 6 weeks. the cholesterol fractions in the egg yolk and serum were measured by enzymatic assay, and the fatty acid composition in e ...201121114549
effects of dietary selenium source, storage time, and temperature on the quality of quail eggs.we report the effects of time of storage, temperature, and supplementation with sodium selenite- and selenium-enriched yeast on the quality of quail eggs. for this study, 90 10-week-old female japanese quails (coturnix coturnix japonica) with similar body size were caged individually and randomly divided into five groups of 18 quails each. one group was fed a normal diet and served as control. a second group was supplemented with 0.2 mg/kg sodium selenite (in-se) and three groups supplemented wi ...201021136198
the influence of inclusions of vitamin e and corn oil on semen traits of japanese quail (coturnix coturnix japonica).reported was an investigation of the effect of vitamin e (vit.e) and corn oil on semen traits of male japanese quail (coturnix coturnix japonica). from 8 to 20 wk of age, birds were raised on corn-based diets supplemented with corn oil (0 and 3%) and vit.e (national research council (nrc) recommended 25mg/kg/day/dry matter and 150 mg/kg/day/dry matter) in a 2×2 factorial manner. the diet was supplemented with corn oil and vit.e (e2c2) which provided additional n-6 polyunsaturated fatty acids in ...201121177050
resveratrol protects quail hepatocytes against heat stress: modulation of the nrf2 transcription factor and heat shock proteins.in the present study, the effects of dietary resveratrol on the induction of heat shock proteins, transcription factors and antioxidative enzyme system in liver of quails under heat stress were investigated. a total of 180 (55-day-old) female japanese quails (coturnix coturnix japonica) were reared either at 22 °c for 24 h/day (thermoneutral, tn) or 34 °c for 8 h/day (heat stress, hs; 09:00-17:00 hours) for 12 weeks. birds in both environments were randomly fed one of three diets: basal diet and ...201121244525
[lampbrush chromosomes of the japanese quail (coturnix coturnix japonica): a new version of cytogenetic maps].avian oocyte chromosomes are transfomed into giant transcriptionally active lampbrush chromosomes (lbcs) at meiosis 1 diplotene. these chromosomes are a convenient tool for high-resulution cytogenetic analysis. using differential staining with fluorochromes dapi and cma3, we have constructed detailed cytological maps for lampbrush macrochromosomes 1-5 and zw of the japanese quail coturnix coturnix japonica. we also performed a comparative analysis ofmitotic chromosomes and lbcs corresponding to ...201021254550
gene cloning, expression and characterization of avian cathelicidin orthologs, cc-caths, from coturnix coturnix.cathelicidins comprise a family of antimicrobial peptides sharing a highly conserved cathelin domain, which play a central role in the early innate host defense against infection. in the present study, we report three novel avian cathelicidin orthologs cloned from a constructed spleen cdna library of coturnix coturnix, using a nested-pcr-based cloning strategy. three coding sequences containing orfs of 447, 465 and 456 bp encode three mature antimicrobial peptides (named cc-cath1, 2 and 3) of 26 ...201121375690
the ossification of the pectoral girdle and wing skeleton of the quail (coturnix coturnix japonica).the onset of ossification centres of the pectoral girdle and wing skeleton of the quail (coturnix coturnix japonica) has been studied in embryos and juvenile birds, which were sampled daily from the 4th day of incubation up to the 12th day after hatching. specimens, which were cleared and were stained with alcian blue and alizarin red s, were examined at the stereomicroscope. the furcula ossified with intramembranous ossification at the 7th day of incubation. the first centres of perichondral os ...201121392085
immunotoxicity and disease resistance in japanese quail (corturnix coturnix japonica) exposed to malathion.the purpose of this study was to evaluate the impact of malathion on the immune system of wild birds, using japanese quail (coturnix coturnix japonica) as a model. quail were exposed to malathion in drinking water at environmentally realistic concentrations (0 ppm, 1 ppm, and 10 ppm). in the fifth week, several arms of the immune response were tested using the t-cell based phytohemagglutinin (pha) skin test, the b-cell mediated antibody response, and the chemiluminescence assay measuring innate ...201121448623
developmental toxicity of glyceryl trinitrate in quail embryos.although glyceryl trinitrate (gtn) is used extensively to treat angina and heart failure, little is known about its effects on the conceptus during organogenesis. the goal of these studies was to investigate the effects of gtn in a model organism, the quail (coturnix coturnix japonica) embryo.201121472843
genetic parameters of slaughter and carcase traits in japanese quail (coturnix coturnix japonica).1. genetic parameters of slaughter and carcase traits were estimated for 5-week-old japanese quail reared under the one-to-one sire and dam pedigree recorded system. data were analysed using restricted maximum likelihood (reml) with relationship matrix. records of 1244 animals from 119 sires and 156 dams were analysed. 2. an individual animal model was used which had the animals' genetic effect as the only random factor. heritability and standard errors of slaughter, cold carcase, breast, leg, w ...201121491239
adjustments of the oxygen diffusing capacity to energetic demands during the development of the quail (coturnix coturnix japonica).one of the hypotheses that attempt to explain physiological limitations of energy budgets is the symmorphosis hypothesis, which proposes that if matching structures to functional needs were combined with the strict economy of energy and materials, the result would be an optimal organ design for the specific function it serves. evidence in favor of symmorphosis in adults is as abundant as evidence against it, but the plasticity of some morphological traits may be dependent on the ontogenetic stag ...201121496493
prevalence of toxoplasma gondii infection in wild birds in durango, mexico.abstract there is a lack of information concerning the prevalence of toxoplasma gondii infection in wild birds in mexico. in the present study serum samples and tissues from 653 birds from durango state, mexico were evaluated for t. gondii infection. antibodies to t. gondii (modified agglutination test, mat, titer 1:25 or higher) were found in 17 (2.6%) of the 653 birds including 1 of 2 curve-billed thrashers (toxostoma curvirostre), 2 (1 anas platyrhynchos, 1 anas diazi) of 4 ducks, 1 of 2 eagl ...201121612413
isolation and characterization of free haem from the shell gland of quail and hen.free haem was isolated from the shell gland of the quail, coturnix coturnix japonica, and of the fowl, galinus domesticus, and characterized by hplc-esi-ms/ms. quantification by hplc gave values of 1.17-1.40 nmol/mg quail shell gland protein for haem, 1.66-2.17 nmol/mg protein for protoporphyrin and 0.25-0.40 nmol/mg protein for biliverdin. possible implications of this previously unreported finding are discussed but they are not considered incompatible with the conclusion that all eggshell pigm ...201221678459
temporal pattern of locomotor activity recuperation after administration of propofol in japanese quail (coturnix coturnix japonica).the present study evaluates the organization and complexity of the temporal pattern of locomotion after an acute administration of propofol in japanese quail by using traditional and fractal analysis. birds were administered with propofol 0, 10, 20, 40 or 80 mg/kg. ten min after administration, they were placed in an open-field apparatus and their locomotor activity was recorded during 45 min at a resolution of 0.5 s. a significant dose dependant increase in the latency to initiate ambulation wa ...201221724216
timing of ossification in duck, quail, and zebra finch: lntraspecific variation, heterochronies, and life history evolution.skeletogenic heterochronies have gained much attention in comparative developmental biology. the temporal appearance of mineralized individual bones in a species - the species ossification sequence - is an excellent marker in this kind of study. several publications describe interspecific variation, but only very few detail intraspecific variation. in this study, we describe and analyze the temporal order of ossification of skeletal elements in the zebra finch, taeniopygia guttata, the japanese ...201121728797
selenium toxicosis assessment (in vivo and in vitro) and the protective role of vitamin b12 in male quail (coturnix coturnix).the present study was undertaken to elucidate the toxicity induced by sodium selenite in male quail through in vivo and in vitro studies and the role played by vitamin b12 in alleviating selenium toxicity. administration of selenite orally for 1 month induced hepatic oxidative damage. selenite decreased body weight gain and increased relative liver weight. selenite reduced hemoglobin and iron concentrations and elevated total bilirubin concentration. serum transaminases and alkaline phosphatase ...200921791391
identification of a putatively novel trichomonad species in the intestine of a common quail (coturnix coturnix).a common quail (coturnix coturnix) from a private keeping died unexpectedly and showed a moderate lymphocytic infiltration of the colonic mucosa associated with numerous protozoa-like objects at the pathological examination. these organisms were further identified using chromogenic in situ hybridization (ish) and gene sequencing. ish was performed on paraffin embedded tissue sections and produced a positive signal using a probe specific for the 18s ribosomal rna (rrna) gene of the order trichomo ...201121839582
Combined exposure of Japanese quails to cyanotoxins, Newcastle virus and lead: oxidative stress responses.Wild birds are continually exposed to many anthropogenic and natural stressors in their habitats. Over the last decades, mass mortalities of wild birds constitute a serious problem and may possibly have more causations such as natural toxins including cyanotoxins, parasitic diseases, industrial chemicals and other anthropogenic contaminants. This study brings new knowledge on the effects of controlled exposure to multiple stressors in birds. The aim was to test the hypothesis that influence of c ...201121855999
molecular sexing and analysis of chd1-z and chd1-w sequence variations in wild common quail (coturnix c. coturnix) and domesticated japanese quail (coturnix c. japonica). 201121873772
an immunohistochemical study of ovarian follicle histogenesis in the early post-hatch japanese quail (coturnix coturnix japonica).the early post-hatch development of immunoreactivity to vimentin, desmin, smooth muscle actin (sma) and laminin, in relation to follicle histogenesis, was described in this study. ovigerous cords in day old quails contained pre-granulosa cells and oocytes. pre-granulosa cells at the cortico-medullary junction were vimentin immunopositive. a laminin immunopositive basement membrane and desmin immunopositive mesenchymal cells lined the ovigerous cords. ovigerous cords in 3-day-old quails contained ...201221919950
levels of helminthic infections in the quails coturnix coturnix from kingdom of saudi arabia.the present study aims to clarify the difference of the intensity of parasitic infection between the domestic quails coturnis coturnis and the migrant ones. a total of 60 domesticated and 60 migratory quails were investigated during the migration season september-november 2009 for intestinal parasites. investigations revealed that both domestic and migrant quails were susceptible to infection with three helminth parasites; a nematode (heterakis gallinarum), and two cestodes (choanotaenia infundi ...201121980778
bird terrestrial locomotion as revealed by 3d kinematics.most birds use at least two modes of locomotion: flying and walking (terrestrial locomotion). whereas the wings and tail are used for flying, the legs are mainly used for walking. the role of other body segments remains, however, poorly understood. in this study, we examine the kinematics of the head, the trunk, and the legs during terrestrial locomotion in the quail (coturnix coturnix). despite the trunk representing about 70% of the total body mass, its function in locomotion has received litt ...201121982408
plasma and whole brain cholinesterase activities in three wild bird species in mosul, iraq: in vitro inhibition by insecticides.plasma and brain cholinesterase activities were determined in three wild bird species to assess their exposure to organophosphate and carbamate insecticides which are used in agriculture and public health. in the present study, we used an electrometric method for measurement of cholinesterase activities in the plasma and whole brain of three indigenous wild birds commonly found in northern iraq. the birds used were apparently healthy adults of both sexes (8 birds/species, comprising 3-5 from eac ...201122058655
contribution of blastoderm cells to japanese quail (coturnix coturnix japonica)-peking duck (anas platyrhynchos) chimeras.the purpose of this study was to produce quail-duck chimeras by transferring stage x blastoderm cells and to detect the distribution of donor cells in heterogeneous embryos using pcr. four experimental groups were made by transferring different amounts of quail blastoderm cells into duck recipients. in early embryonic stages, donor cells labeled with pkh26 fluorescent dye were observed in the head, neural tube and gonads by fluorescent microscopy. a total of 194 duck recipient embryos were injec ...201122111627
Impact of climate change on risk of incursion of Crimean-Congo haemorrhagic fever virus in livestock in Europe through migratory birds.Aims: To predict the risk of incursion of Crimean-Congo haemorrhagic fever virus (CCHFV) in livestock in Europe introduced through immature Hyalomma marginatum ticks on migratory birds under current conditions and in the decade 2075-2084 under a climate-change scenario. Methods and Results: A spatial risk map of Europe comprising 14 282 grid cells (25 × 25 km) was constructed using three data sources: (i) ranges and abundances of four species of bird which migrate from sub-Saharan Africa to Eu ...201122118269
spatial orientation in japanese quails (coturnix coturnix japonica).finding a given location can be based on a variety of strategies, for example on the estimation of spatial relations between landmarks, called spatial orientation. in galliform birds, spatial orientation has been demonstrated convincingly in very young domestic chicks. we wanted to know whether adult japanese quails (coturnix coturnix japonica) without food deprivation are also able to use spatial orientation. the quails had to learn the relation of a food location with four conspicuous landmark ...201122163284
novel picornavirus in domesticated common quail (coturnix coturnix) in hungary.this study reports the detection of a novel picornavirus in domesticated common quail (coturnix coturnix) in hungary. the 8159-nucleotide (nt)-long rna genome of this virus, named quail picornavirus (qpv1-hun/2010; jn674502), shows only 43%, 39% and 47% amino acid (aa) identity in the p1 (857 aa), p2 (458 aa) and p3 (777 aa) coding regions respectively, to the closest reference, avian sapelovirus. the 5'utr contains a variant type iv ires with a 20-nt-long apical "8"-like structure that is conse ...201222170478
Validation of a disease model in Japanese quail (Coturnix coturnix japonica) with the use of Escherichia coli serogroup O2 isolated from a turkey.This study established a disease model and protocol for bacterial challenge with Escherichia coli serogroup O2 strain EC317 in Japanese quail. Five groups of 10 birds each were injected subcutaneously in the breast with 200 µL of a brain-heart infusion (BHI) culture containing 1 × 10(8), 1 × 10(7), 1 × 10(6), 1 × 10(5), or 1 × 10(4) colony-forming units/mL of the test organism, which had been isolated from a turkey with cellulitis and septicemia. Birds in a 6th group were controls that received ...201122210992
phytosterol additive boosts adrenal response to acth in male japanese quail (coturnix coturnix japonica).to investigate the adrenal effect of a phytosterol (ps) additive, 80 male japanese quail were divided into four sub-groups and fed 0, 40, 400, and 4,000 ppm of ps, respectively, for 21 days. subsequently, 50% of the birds from each dosage group were subjected to a 6-day adrenal function test, whereby they were injected with long-lasting adrenocorticotropin (acth). the remaining quail in each ps dosage group were raised under normal conditions. the groups receiving 400 and 4000 ppm ps exhibited d ...201222212440
changes in plasma gonadotrophins, testosterone, prolactin, thyroxine and triiodothyronine concentrations in male japanese quail (coturnix coturnix japonica) of a heavy body weight line during photo-induced testicular growth and regression.1. simultaneous changes of cloacal gland area (cga) and plasma luteinising hormone (lh), follicle stimulating hormone (fsh), testosterone (t), prolactin (prl), thyroxine (t(4)) and triiodothyronine (t(3)) during photo-induced testicular growth and regression were measured in commercially bred japanese quail from a heavy body weight line. 2. somatically mature male japanese quail were transferred from short days (light:dark 8l:16d) at 10°c, to long days (16l:8d) at 20°c; and sexually mature male ...201122221245
gsm 900 mhz microwave radiation affects embryo development of japanese quails.a wide range of non thermal biological effects of microwave radiation (mw) was revealed during the last decades. a number of reports showed evident hazardous effects of mw on embryo development in chicken. in this study, we aimed at elucidating the effects of mw emitted by a commercial model of gsm 900 mhz cell phone on embryo development in quails (coturnix coturnix japonica) during both short and prolonged exposure. for that, fresh fertilized eggs were irradiated during the first 38 h or 14 da ...201222268787
age, photoperiod and estrogen dependent variations in the shell gland and the expression of avt in the ovary of japanese quail.present work was undertaken to describe (i) age dependent (prepuberal-3, 4, 5 and 6 weeks old, puberal and actively laying 8 and 12 weeks old and aged 78 weeks old) (ii) photoperiodic response dependent (photosensitive and photorefractory) and sex steroid dependent (estradiol benzoate and its antagonist tamoxifen treated) variation in the ovary and shell gland activity of japanese quail (coturnix coturnix japonica). further, in view of the role of neurohypophysial peptide arginine vasotocin (avt ...201222310162
effects of ultrasonic treatment on eggshell microbial activity, hatchability, tibia mineral content, and chick performance in japanese quail (coturnix coturnix japonica) eggs.the purpose of this study was to establish the effects of ultrasonic treatment of eggs on egg weight loss, hatchability, tibia mineral content, chick performance, and eggshell microbial activity. a total of 600 fresh eggs was randomly divided into 5 groups. treatments were no ultrasound, 35 khz for 5 min, 35 khz for 10 min, 35 khz for 15 min, and eggs sprayed with benzalkonium chloride solution at 0.02% (negative control). the eggshell microbial activity was reduced significantly at all ultrason ...201222334750
cryptosporidium spp. in quails (coturnix coturnix japonica) in henan, china: molecular characterization and public health significance.the prevalence of cryptosporidium spp. was investigated in scale quail (coturnix coturnix japonica) farms in henan province, china between september 2006 and august 2007. one thousand eight hundred and eighteen fecal samples from 47 quail farms in five areas were collected for the examination of cryptosporidium oocysts. the overall prevalence of cryptosporidium was 13.1% (95% ci 13.1±1.6%) (29 of 47 farms), with 72-100-day-old quails having the highest prevalence (23.6%, 95% ci 23.6±2.6%) (χ(2)= ...201222377447
effects of propolis on eggshell microbial activity, hatchability, and chick performance in japanese quail (coturnix coturnix japonica) eggs.propolis is a sticky resin produced by worker honeybees from substances collected from plants, and it has strong antibacterial and antifungal properties. the purpose of this study was to establish the effects of propolis on egg weight loss, hatchability, chick performance, and to control microbial activity naturally occurring on eggshells. a total of 750 fresh eggs was randomly divided into 5 groups. eggs from the first group were sprayed with ethyl alcohol (70%, a), the second group was sprayed ...201222399742
melamine residues in eggs of quails fed on diets containing different levels of melamine.1. an experiment was conducted to determine residual melamine concentrations in eggs of quail given diets containing different concentrations of melamine, and to estimate the time at which withdrawing melamine from the diet would result in undetectable concentrations in eggs. a total of 600 japanese quails (coturnix coturnix japonica) were randomly divided into 5 treatments, and given melamine at concentrations of 0, 2, 10, 50, and 100 mg/kg diet respectively for 30 d. from d 31 to 41, all quail ...201222404806
effect of a rosemary and oregano volatile oil mixture on performance, lipid oxidation of meat and haematological parameters in pharaoh quails.1. this study was conducted to determine the utility of a volatile oil (vo) mixture in quail diets as a natural growth promoter. different levels of vo mixtures, derived from rosemary and oregano, were added to a basal diet to determine the effects of the mixture on live weight (lw), live weight gain (lwg), feed intake, feed conversion ratio (fcr), carcase yield (cy), lipid oxidation level in thigh meat samples, and blood constituents. 2. a total of 880 one-day-old pharaoh (coturnix coturnix pha ...201222404809
effects of the usage of dried brewing yeast in the diets on the performance, egg traits and blood parameters in quails.this experiment was carried out to determine the effects of the usage of dried brewing yeast in quail diets on laying performance, egg traits and blood parameters. a total of 240 japanese quails (coturnix coturnix japonica) aged 10 weeks were randomly allocated into one control group and three treatment groups. each group was divided into five replicates as subgroups, comprising 12 quails each. dried brewing yeast (saccharomyces cerevisiae) was used at the levels of 1.5%, 3.0% and 4.5% in the di ...200822444084
mucuna pruriens seed powder feeding influences reproductive conditions and development in japanese quail coturnix coturnix japonica.this study was designed to test whether mucuna pruriens, a natural source of l-dihydroxyphenylalanine (l-dopa, a dopamine precursor) feeding, can influence development and reproductive conditions in the high food value bird, japanese quail, coturnix coturnix japonica. experiments were performed in both male and female japanese quail. one-week-old quail chicks were divided into three groups of 36 birds each. group i was provided with normal diet and served as control. group ii was provided with f ...200922444229
distribution patterns of influenza virus receptors and viral attachment patterns in the respiratory and intestinal tracts of seven avian species.this study assessed the presence of sialic acid α-2,3 and α-2,6 linked glycan receptors in seven avian species. the respiratory and intestinal tracts of the chicken, common quail, red-legged partridge, turkey, golden pheasant, ostrich, and mallard were tested by means of lectin histochemistry, using the lectins maackia amurensis agglutinin ii and sambucus nigra agglutinin, which show affinity for α-2,3 and α-2,6 receptors, respectively. additionally, the pattern of virus attachment (pva) was eva ...201222489675
quantitative hplc of pigments of irregularly coloured eggshells: application to aliquots of powdered shell from quail.twelve quail eggshells from farmed coturnix coturnix japonica were separately ground to fine powder and two aliquots of each (average weights 13.86 mg and 51.90 mg) were extracted with formic acid. biliverdin (38-284 pmol/mg) and protoporphyrin (841-1666 pmol/mg) were measured by hplc. there was good agreement between the values for the corresponding samples and with those for two entire eggshells from the same source. the preparation of a homogenate as a powder from heterogeneously pigmented eg ...201222495788
sodium levels for japanese quail at initial phases.the aim of this research was to determine the nutritional requirements of sodium for japanese quail (coturnix coturnix japonica) during the periods of 1 to 21 d and 22 to 40 d of age, as well as to evaluate the residual effect on egg production and densitometry bone traits from 41 to 63 d. two experiments were developed. experiment 1: 360 japanese quail were used, from 1 to 21 d of age. treatments consisted of 5 sodium levels (0.06, 0.12, 0.18, 0.24, and 0.30%). experiment 2: 240 japanese quail ...201222499870
negative allometry of docosahexaenoic acid in the fowl lung and pulmonary surfactant phospholipids.in a recent study (comp. biochem. physiol. b. (2010)155: 301-308) we reported that the fatty acids (fa) of the avian (7 species) total lung phospholipids (pl) (i.e. lung parenchyma and surfactant together) provide allometric properties. to test whether this allometric scaling also occurs in either of the above components, in six gallinaceous species, in a body weight range from 150 g (japanese quail, coturnix coturnix japonica) to 19 kg (turkey, meleagris gallopavo) the pl fa composition (mol%) ...201222695520
are farm-reared quails for game restocking really common quails (coturnix coturnix)?: a genetic approach.the common quail (coturnix coturnix) is a popular game species for which restocking with farm-reared individuals is a common practice. in some areas, the number of released quails greatly surpasses the number of wild breeding common quail. however, common quail are difficult to raise in captivity and this casts suspicion about a possible hybrid origin of the farmed individuals from crosses with domestic japanese quail (c. japonica). in this study we used a panel of autosomal microsatellite marke ...201222701745
combined effect of short-term dehydration and sublethal acute oral dicrotophos exposure confounds the diagnosis of anticholinesterase exposure in common quail (coturnix coturnix) using plasma cholinesterase activity.common quail (coturnix coturnix) were subjected to controlled and replicated experiments in the summer of 2008 to investigate the effects of short-term dehydration on cholinesterase activity in brain and plasma and the interaction between dehydration and exposure to the organophosphorus pesticide dicrotophos in these same tissues. our objective was to determine if dehydration could confound the diagnosis of anticholinesterase exposure using inhibition of cholinesterase activity in quail tissues. ...201222740535
transgenic quail as a model for research in the avian nervous system: a comparative study of the auditory brainstem.research performed on transgenic animals has led to numerous advances in biological research. however, using traditional retroviral methods to generate transgenic avian research models has proved problematic. as a result, experiments aimed at genetic manipulations on birds have remained difficult for this popular research tool. recently, lentiviral methods have allowed the production of transgenic birds, including a transgenic japanese quail (coturnix coturnix japonica) line showing neuronal spe ...201322806400
the sedative effects of hops (humulus lupulus), a component of beer, on the activity/rest rhythm.the hop (humulus lupulus), a component of beer, is a sedative plant whose pharmacological activity is due principally to its bitter resins, especially to the α-acid component 2-methyl-3-buten-2-ol. the mechanism of action of the resin of hop consists of increasing the activity of the neurotransmitter γ-aminobutyric (gaba), inhibiting the central nervous system (cns).201222849837
endocrine disruption caused by oral administration of atrazine in european quail (coturnix coturnix coturnix).the widely used herbicide atrazine (atz) has been reported to exhibit reproductive toxicity in rats, fish and amphibians, with an avian ld(50) of 5000 mg/kg. in the present work, atz was administered as a single oral dose of 25 or 100 mg/kg to female european quail (coturnix coturnix coturnix) at days 0, 5 and 10 of the experiment, being the animals sampled at days 15, 30 and 45. atz significantly increased the expression of hepatic estrogen receptor α (erα) at both doses at day 30. an important ...201222871608
comparative intralimb coordination in avian bipedal locomotion.analyses of how intralimb coordination during locomotion varies within and across different taxa are necessary for understanding the morphological and neurological basis for locomotion in general. previous findings suggest that intralimb proportions are the major source of kinematic variation that governs intralimb coordination across taxa. also, independence of kinematics from habitat preference and phylogenetic position has been suggested for mammals. this leads to the hypothesis that among eq ...201222899525
pre- and post-natal stress in context: effects on the stress physiology in a precocial bird.developmental stress can significantly influence physiology and survival in many species. mammalian studies suggest that pre- and post-natal stress can have different effects (i.e. hyper- or hypo-responsiveness) on the hypothalamic-pituitary-adrenal (hpa) axis, the main mediator of the stress response. in mammals, the physiological intimacy between mother and offspring constrains the possibility to control, and therefore manipulate, maternal pre- and post-natal influences. here, using the japane ...201222899536
age-related changes in mitochondrial ucp, ant and cox iii gene expression in the breast muscle of quails (coturnix coturnix japonica).efficient conversion of food into body mass has been associated with altered gene expression of some proteins of the electron transport chain. we evaluated the effect of age on mrna expression of uncoupling protein, adenine nucleotide translocase and cytochrome c oxidase complex iii in quails. one-day-old broiler quails were sacrificed after 7, 14, 21, or 28 days. six quails of each age were slaughtered by cervical dislocation. total rna was extracted from the breast muscle and reverse transcrib ...201222911582
evidence for estrogen receptor expression during medullary bone formation and resorption in estrogen-treated male japanese quails (coturnix coturnix japonica).the temporal expression of estrogen receptor (er)-α and er-β mrna was examined in male japanese quails. femurs of quails receiving 17β-estradiol underwent rt-pcr and histochemical analysis 1 to 15 days after treatment. untreated quails were used as controls (day 0). between days 0 and 5, cells lining the bone endosteal surface differentiated into osteoblasts, which in turn formed medullary bone. expression of er-α was already observed on day 0 and increased slightly during bone formation whereas ...201223000578
toxic interaction between fumonisin b1 and moniliformin for cardiac lesions in japanese quail.this study examined the effects of fumonisin b1 (fb1) and moniliformin (m) on the heart of japanese quail (coturnix coturnix japonica). three hundred and ninety day-old japanese quail were randomly divided into four groups: 1) fb1 alone (fx), 2) m alone (mx), 3) fb1 and m (fm), and 4) chick mash alone (cx). we used three pen replicates of 35 quail per pen in groups fx, mx, and fm and three pen replicates of 25 quail per pen in group cx. gross and microscopic changes in the heart were studied in ...201223050472
condition-dependent strategies of eggshell pigmentation: an experimental study of japanese quail (coturnix coturnix japonica).a relationship has been suggested between eggshell colour and female body condition based on the opposing antioxidant properties of the two main eggshell pigments: the antioxidant biliverdin (blue-green) and the pro-oxidant protoporphyrin (brown). we hypothesized that experimentally food-restricted females with low antioxidant capacity would deposit more protoporphyrin and less biliverdin in their eggshells, resulting in eggshells of reduced brightness but increased colour intensity. two eggs we ...201323125343
changes in plasma gonadotrophins, 17β-oestradiol, progesterone, prolactin, thyroxine and triiodothyronine concentrations in female japanese quail (coturnix coturnix japonica) of a heavy body weight line during photo-induced ovarian growth and regression.1. simultaneous changes of the width of the cloacal opening and plasma luteinising hormone (lh), follicle stimulating hormone (fsh), 17β-oestradiol, progesterone, prolactin, thyroxine (t(4)) and triiodothyronine (t(3)) during photo-induced ovarian growth and regression were measured in commercially bred japanese quail from a heavy body weight line. 2. somatically mature female japanese quail were transferred from short days (light:dark 8l:16d) at 10°c to long days (16l:8d) at 20°c, and sexually ...201223130587
centromere positions in chicken and japanese quail chromosomes: de novo centromere formation versus pericentric inversions.chicken (gallus gallus domesticus, gga) and japanese quail (coturnix coturnix japonica, cco) karyotypes are very similar. they have identical chromosome number (2n = 78) and show a high degree of synteny. centromere positions on the majority of orthologous chromosomes are different in these two species. to explore the nature of this divergence, we used high-resolution comparative fluorescent in situ hybridization mapping on giant lampbrush chromosomes (lbcs) from growing oocytes. we applied 41 b ...201223143647
japanese quail acute exposure to methamidophos: experimental design, lethal, sub-lethal effects and cholinesterase biochemical and histochemical expression.we exposed the japanese quail (coturnix coturnix japonica) to the organophosphate methamidophos using acute oral test. mortality and sub-lethal effects were recorded in accordance to internationally accepted protocols. in addition cholinesterases were biochemically estimated in tissues of the quail: brain, liver and plasma. furthermore, brain, liver and duodenum cryostat sections were processed for cholinesterase histochemistry using various substrates and inhibitors. mortalities occurred mainly ...201323146311
production of reactive oxygen species, gene expression, and enzymatic activity in quail subjected to acute heat stress.the aim of the present study was to evaluate the effect of acute heat stress on the production of mitochondrial reactive oxygen species (ros), the gene expression of the avian uncoupling protein (avucp) and glutathione peroxidase (gpx 7), and the activity of the enzyme gpx in the liver of meat quail. two groups of 15 meat quail (coturnix coturnix japonica) that were 23 d of age were initially housed individually in metallic cages. a period of 7 d was provided for the 2 bird groups to adapt to th ...201323148249
post-hatch changes in the immunoexpression of desmin, smooth muscle actin and vimentin in the testicular capsule and interstitial tissue of the japanese quail (coturnix coturnix japonica).the post-hatch development of immunoreactivity to desmin, smooth muscle actin (sma) and vimentin in the testicular capsule and interstitial tissue of day-old to adult quails was described in this study. the tunica albuginea of the testicular capsule was composed mainly of myoid cells. a zonal arrangement of desmin and sma immunostaining was observed in myoid cells of the tunica albuginea in 1- to 24-day-old quails. immunostaining for sma and desmin was uniform in the tunica albuginea of adult bi ...201323351155
risk of single and combined exposure of birds to non-steroidal anti-inflammatory drugs and lead.pharmaceuticals and heavy metals such as diclofenac and lead, respectively, have been identified as environmental contaminants toxic to birds and posing serious threats to declining populations of raptors worldwide. the aim of the present study was to test the hypothesis that a sublethal combination of non-steroidal anti-inflammatory drugs and lead induces more pronounced effects than single exposures in birds.201223353858
risk of combined exposure of birds to cyanobacterial biomass containing microcystins, acetylcholinesterase inhibitor and anticoagulant.the objective of this study was to examine the hypothesis that a combination of cyanobacterial biomass containing microcystins, acetylcholinesterase inhibitor and anticoagulant can enhance avian toxic effects produced by single exposures only.201223353860
avian high-dose toxicity of cyanobacterial biomass.previous studies using oral administration of environmentally relevant doses of cyanobacterial biomass containing microcystins (mcs) induced only sub-lethal effects in experimental birds. therefore, the objective of this study was to obtain data on avian high-dose toxicity of mcs and compute ld50, if possible, following the natural oral route of administration.201223353861
evaluation of the efficacy and safety of single administration of 4.7-mg deslorelin acetate implants on egg production and plasma sex hormones in japanese quail (coturnix coturnix japonica).to evaluate the effects of 4.7-mg deslorelin acetate implants on egg production and plasma concentrations of 17β-estradiol and androstenedione in japanese quail (coturnix coturnix japonica) over 180 days and assess safety of the implants in quail via gross and histologic examination.201323363360
characterization of bacteria of the genus staphylococcus isolated from the eggs of japanese quail (coturnix coturnix japonica).the study attempted to analyse and characterize bacteria of the genus staphylococcus isolated from the surface and contents of quail eggs, taking into account their phenotypic properties, biochemical reactions, antibiotic sensitivity patterns, and pcr to test for the presence of the meca gene, which is responsible for resistance to methicillin. the study included 45 strains of the genus staphylococcus isolated from the whites, yolks and shells of table quail eggs. the results obtained indicate t ...201223390768
chromium histidinate protects against heat stress by modulating the expression of hepatic nuclear transcription factors in quail.1. this experiment was conducted to evaluate the effects of supplemental chromium histidinate (crhis) on performance and expressions of hepatic nuclear factors kappab, an enhancer (nf-κb) and an inhibitor (iκbα) of activated b cells in heat-stressed japanese quail (coturnix coturnix japonica). 2. a total of 180, 10-d-old japanese quail were allocated randomly into 6 groups in a 2 × 3 factorial arrangement. birds were reared either at 22°c for 24 h/d (thermoneutral, tn) or 34°c for 8 h/d (heat st ...201223398428
accumulation and effects of 90-day oral exposure to dechlorane plus in quail (coturnix coturnix).while a number of studies have addressed bioaccumulation of the flame retardant dechlorane plus (dp), little information is available regarding the adverse effects of dp on animals, especially on bird species. in the present study, male common quails (coturnix coturnix) were consecutively exposed to commercial dp-25 by gavage for 90 d at 1-mg/kg/d, 10-mg/kg/d, and 100-mg/kg/d dosages. concentrations of dp isomers in liver, muscle, and serum were determined after exposure. liver enzyme activity i ...201323440862
xenogeneic transfer of adult quail (coturnix coturnix) spermatogonial stem cells to embryonic chicken (gallus gallus) hosts: a model for avian conservation.as advanced reproductive technologies have become routine for domesticated species, they have begun to be applied in the field of endangered species conservation. for avian conservation, the most promising technology is the transfer of germ stem cells of exotic species to domestic hosts for the production of gametes. in this study, adult quail (model for exotic species) spermatogonial stem cells were xenogeneically transferred to stages 14-17 chicken host embryos. fluorescent cellular dyes, quai ...201323575150
glyceryl trinitrate metabolism in the quail embryo by the glutathione s-transferases leads to a perturbation in redox status and embryotoxicity.exposure of stage 9 quail (coturnix coturnix japonica) embryos to glyceryl trinitrate (gtn) induces malformations that were associated in previous studies with an increase in protein nitration. increased nitration suggests metabolism of gtn by the embryo. the goals of this study were to characterize the enzymes and co-factors required for gtn metabolism by quail embryos, and to determine the effects of in ovo treatment with n-acetyl cysteine (nac), a precursor of glutathione (gsh), on gtn embryo ...201323587908
non-destructive multibiomarker approach in european quail (coturnix coturnix coturnix) exposed to the herbicide atrazine.the effect of orally administered atrazine (25 or 100 mg/kg on days 0, 5, and 10 of the experiment) was studied in european quail (coturnix coturnix coturnix) on four non-destructive biomarkers: fecal porphyrins, blood glutathione-s-transferase, glutathione reductase, reduced glutathione, and malondialdehyde (mda). uroporphyrin i (upi) and coproporphyrins i and iii (cpiii) were the main porphyrins detected in feces. the lowest dose of atz caused a significant (p < 0.05) increase in upi and cpiii ...201323619767
the relationship of plumage colours with mc1r (melanocortin 1 receptor) and asip (agouti signaling protein) in japanese quail (coturnix coturnix japonica).1. the relationship of polymorphisms in the melanocortin 1 receptor (mc1r) and agouti signalling protein (asip) genes with plumage colour in japanese quail was investigated by cloning and sequencing the entire coding regions from black, white and maroon japanese quail embryos at 12 d of incubation. 2. three snps were identified in the mc1r coding region by multiple alignment of sequences from individuals with different plumage colours. a missense c/t mutation located at 169 bp within the open re ...201323639082
effects of dietary rosemary and oregano volatile oil mixture on quail performance, egg traits and egg oxidative stability.1. this study was conducted to determine the effects of volatile oil mixture on quail laying performance, egg traits and egg malondialdehyde (mda) concentration. 2. a total of 260 pharaoh quails (coturnix coturnix pharaoh) aged 6 weeks were equally divided into 5 groups of 65 (4 replicates of 13 quails each). the mixture of diets was as follows: a control treatment with 0 mg volatile oil/kg of diet; (1) 200 mg/kg rosemary volatile oil; (2) 200 mg/kg oregano volatile oil; (3) 40 mg/kg rosemary vo ...201323647187
fat absorption and deposition in japanese quail (coturnix coturnix japonica) fed a high fat diet.dietary fat contributes significantly to the energy requirements of poultry. not all species are able to increase their absorptive capacity for fats in response to a high fat diet. the effects of a high fat diet (10% canola oil) on the lipid absorption and deposition in the liver, breast and thigh muscles of male and female japanese quail were investigated. thirty-eight japanese quail (coturnix coturnix japonica) were randomly divided into a high fat diet (hfd) and a standard diet (std) group. t ...201323718824
immunolocalization of intermediate filaments and laminin in the oviduct of the immature and mature japanese quail (coturnix coturnix japonica).this study describes the distribution of vimentin, desmin, smooth muscle actin (sma) and laminin in the oviduct of the immature and mature japanese quail. the cytoskeletal proteins vimentin, desmin and sma have been shown to be involved in cellular support, differentiation, migration and contractility. laminin is a major component of basement membranes. luminal epithelia in the infundibular and magnal regions of immature and mature birds exhibited strong vimentin immunoreactivity. luminal epithe ...201423731061
microbiological response of japanese quail eggs to disinfection and location in the setter during incubation.the aim of this study was to evaluate the effectiveness of ethyl alcohol (75%) disinfection of japanese quail (coturnix coturnix japonica) hatching eggs and analysis of microbial contamination of eggs during incubation, depending on their location in the setter. disinfected eggshells were found to have lower total bacteria (tbc) and fungi (tfc) count. concerning the vertical location of eggs (top, middle, bottom), disinfected eggs were characterized by similar values of the tbc (x = 1.54 log cfu ...201323767303
comparison of ventriculotomy closure with and without a coelomic fat patch in japanese quail (coturnix coturnix japonica).removal of foreign bodies from the ventriculus in birds may necessitate ventriculotomy. complications with this intervention include leakage and adhesion formation. to investigate if the use of a coelomic fat patch and a tension-relieving suture in addition to a simple interrupted pattern would improve the healing process after ventriculotomy, 2 groups of 9 japanese quail (coturnix coturnix japonica) underwent ventriculotomy. in group 1, only simple-interrupted and tension-relieving sutures were ...201323772451
comparative pharmacokinetics of enrofloxacin, danofloxacin, and marbofloxacin after intravenous and oral administration in japanese quail (coturnix coturnix japonica).a population approach was used to evaluate the pharmacokinetic parameters of 3 fluoroquinolones administered to japanese quail (coturnix coturnix japonica). healthy adult quail (n = 50) were divided into 3 groups, each administered a separate intravenous and oral dose of the compounded drug: enrofloxacin at 10 mg/kg (n = 18; 9 male, 9 female), danofloxacin at 10 mg/kg (n = 12; 6 male, 6 female), and marbofloxacin at 5 mg/kg (n = 20; 10 male, 10 female). a fourth group was used as a control (n = ...201323772453
prenatal visual experience induces postnatal motor laterality in japanese quail chicks (coturnix coturnix japonica).species-typical prenatal visual stimulation in avian species is a necessary component in the development of population level lateralized behaviors. this relationship suggests that species-typical developmental outcomes result from organismic and environmental constraints and experiences shared by members of a species. we examined the effects of prenatal visual experience on the development of turning bias and footedness in japanese quail chicks, a species which does not demonstrate a naturally o ...201423775638
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