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responses of isolator-derived japanese quail and quail cell cultures to selected animal viruses.thirteen oncogenic and necrotizing animal viruses were assayed in life sciences, inc. (lsi)-specific pathogen-free japanese quail and lsi-specific pathogen-free chicken embryo cell cultures. nine viruses produced similar titers in the quail and chicken cell systems, whereas four viruses showed significantly higher titers in chickens. young japanese quail and chickens were inoculated with five selected avain viruses and maintained in stainless-steel isolators. comparable responses were noted in q ...1975172527
marek's disease in japanese quail -- a pathological, virological and serological study.experimental studies were performed to see whether japanese quail (coturnix coturnix japonica) are susceptible to jm strain of marek's disease virus (mdv). in three identical trials, a total of 120, one-day-old quail were inoculated intra-abdominally with 0.2 ml. of chicken blood infected with mdv (jm strain) and raised in fapp isolators. uninfected controls were inoculated with normal saline only and raised separately. during the 18-week post infection observation period, 65-80% of the infecte ...1975180503
[sensitivity of japanese quail, embryos and embryonal tissue culture to infection with several avian viruses].the sensitivity of the biological system japanese quail-embryo-quail fibroblast cultures to some common fowl viruses (newcastle disease virus, infectious laryngotracheitis and infectious bronchitis viruses) was studied. japanese quails, their embryos and embryo cell cultures were found to be sensitive to newcastle disease virus infection. the virus reproduction was accompanied by death of embryos and destruction of cell culture. japanese quails are sensitive to infectious laryngotracheitis virus ...1977198966
characterisation of newcastle disease viruses isolated in india.eleven newcastle disease virus (ndv) isolates obtained from outbreaks of disease in chickens (9) and japanese quail (2) in tamil nadu, india were characterised in pathogenicity tests, antigenically, using mouse monoclonal antibodies (mabs), and other established tests devised to distinguish between different strains. all 11 isolates were shown to be highly virulent for chickens. in indirect immunoperoxidase tests used to assess the ability of a panel of 28 mabs to bind to infected cell cultures, ...19921519416
the propagation of avian viruses in a continuous cell line (qt35) of japanese quail origin.seven of nine avian virus families tested (birnaviridae, coronaviridae, herpesviridae, paramyxoviridae, poxviridae, reoviridae, and retroviridae) were found to replicate in a quail fibroblast cell line, designated qt35, resulting in a cytopathic effect (cpe) visible with the naked eye or by low-power microscopy. in comparison, only one (paramyxoviridae) of seven mammalian virus families tested produced an observable cpe. cytopathic changes induced by examined viruses were round cell, syncytial, ...19883135794
blood sampling from the venous occipital sinus of birds.venous occipital sinus blood sampling was demonstrated to be an effective nonlethal method in all species tested including ducks, geese, chukar partridge, japanese quail, pea-fowl, pheasants, parakeets, turkeys, and chickens. maximum blood volume obtained from the occipital sinus of 1-day-old chicks equalled the volume obtained by cardiac puncture and exceeded the volume collected by decapitation. venous occipital sinus puncture was successfully used to rapidly collect several successive blood s ...19854070124
growth of newcastle disease virus in fertile eggs of the japanese quail (coturnix coturnix japonica). 19725018041
[study of viral contamination of japanese quail and cell cultures from their embryos].agents identified as adenovirus celo were isolated from organ suspensions of 1500 japanese quails (jq) in 4 experiments. no contaminating viruses were found in examinations of cell cultures prepared from the kidneys of 80 jq. negative results were obtained in examinations of 163 antigens from jq organs in the cofal test. agents identified as mycoplasma were isolated in 16 cases from 736 specimens of the virus-containing fluid used for manufacture of measles virus. according to the results of the ...19816266156
immunological traits in generations 7 to 12 of two lines of japanese quail selected for high or low antibody response to newcastle disease virus.several immunological traits were compared in lines of japanese quail selected for high and low secondary immune responses to anti-newcastle disease virus (ndv). the high line of quail, selected for high ability to produce antibodies, was more responsive in both their primary response to ndv antigen used in the selection as well as to other antigens used in selection process including ndv (ishi strain), tissue culture-derived newcastle disease (tcnd strain), ndv strain b1, influenza virus, sheep ...19846473242
selective breeding for high and low antibody responses to inactivated newcastle disease virus in japanese quails.two lines of japanese quail were divergently selected for high and low antibody responses after being twice injected at 4 and 6 weeks of age with inactivated newcastle disease virus antigen. after seven generations of selection, the serum antibody level in the high line was 24% greater than the level in the unselected control lines, whereas the low line antibody level was approximately 37% less than that in the control line. the estimated heritability (h2s + d) was approximately .12 +/- .50. the ...19846728759
acquisition of pathogenicity of a newcastle disease virus isolated from a japanese quail by intracerebral passage in chickens.newcastle disease virus (ndv) was isolated from a japanese quail (cotornix cotornix japonica). the effect of intracerebral and intranasal passages of the ndv in chickens on the pathogenicity was studied. pathogenicity of the viruses of different passage levels was compared with that of the original isolate by the mean death time with the minimum lethal dose in chicken embryos, intracerebral pathogenicity index in day-old chicks, intravenous pathogenicity index with 6-week-old chickens and the mo ...19947745878
growth, developmental stability and immune response in juvenile japanese quails (coturnix coturnix japonica).stresses are environmental factors which restrict growth or cause a potentially adverse change in an organism. the exposure of developing organisms to environmental stresses may have several physiological consequences including a decrease in immunocompetence. however, mounting an immune response against a foreign antigen may in itself constitute a cost for developing organisms. this cost has potentially long-term consequences for adult function and fitness. this study examines the growth and dev ...199910518322
physiological, growth, and immune responses of japanese quail chicks to the multiple stressors of immunological challenge and lead shot.exposure to the combination of a contaminant and an immunological challenge during development may greatly increase the impact of either or both of these stressors on an individual. this study investigated the interacting effects of a nonpathogenic immunological challenge and lead shot exposure early in the development of a precocial species. seventy-one quail (coturnix coturnix japonica) chicks orally received either one #9 lead shot (0.05 g), four lead shots (0.2 g), or no lead at the age of 8 ...200211706371
occurrence of conjunctivitis, sinusitis and upper region tracheitis in japanese quail (coturnix coturnix japonica), possibly caused by mycoplasma gallisepticum accompanied by cryptosporidium sp. infection.on a farm raising approximately 75,000 japanese quail (coturnix coturnix japonica) for egg production, the diseased quail showed clinical signs of swelling of the head, nasal discharge, increased lacrimation, and decreased egg production. the flock experienced a mortality rate of 5.7% per day. macroscopic observation revealed large, gelatinous masses of caseous exudate in the sinuses, egg peritonitis, and airsacculitis. microscopically, non-purulent or purulent inflammation accompanied by lympho ...200212396337
effect of beta-carotene supplementation on plasma and yolk igy levels induced by ndv vaccination in japanese quail.newly hatched japanese quail (coturnix coturnix japonica) chicks were fed diets containing different levels of retinoids (vitamin a) or beta-carotene. group a received a commercial diet containing 10,000 iu vitamin a per kilogram. the diets of groups b, c, and d contained no vitamin a but were supplemented with 1-, 2.5-, and 5-fold retinol equivalents of beta-carotene. each group contained 16 quails in a 1:1 sex ratio. at 8 weeks of age the quails were immunized orally with newcastle disease vir ...200312951901
mhc class iib gene sequences and expression in quails (coturnix japonica) selected for high and low antibody responses.two quail lines, h and l, which were developed for high (h) and low (l) antibody production against inactivated newcastle disease virus antigen, were used to examine differences in the organization, structure and expression of the quail mhc class iib genes. four coja class iib genes in the h line and ten coja class iib genes in the l line were identified by gene amplification using standard and long-range pcrs and sequencing of the amplified products. rflp analysis, sequencing and gene mapping r ...200415258705
effects of dietary taurine supplementation on growth performance and immune status in growing japanese quail (coturnix coturnix japonica).the effect of dietary taurine was investigated on performance and immune responses in growing (1 to 42 d) japanese quail. one-day-old quails of both sexes (300) were randomly allotted to 12 groups with 25 quails in each group (3 dietary treatments, 4 replicates). they were fed with maize-soybean meal-based diets containing 0, 0.01, or 0.05% taurine for 42 d. dietary 0.01% taurine decreased food intake (p < 0.05) in the starter phase but did not affect bw gain and feed efficiency from d 1 to 42 o ...200919531709
an avian coronavirus in quail with respiratory and reproductive signs.an avian coronavirus was detected in pools of lungs, tracheas, female reproductive tracts, kidneys, and enteric contents from quail (coturnix coturnix japonica) and laying hen flocks, with and without infectious bronchitis (ib)-like signs, cohoused in farms located in two states of southeastern brazil during 2009-2010. although avian metapneumovirus subtype b was found in two layers samples, newcastle disease virus was not found in quail or in hens. based on dna sequences for the 3'-untranslated ...201324689189
nigella sativa (black cumin seed) as a biological detoxifier in diet contaminated with aflatoxin b1.aflatoxin b1 (afb1 ) is a common feed contaminant that adversely affects bird performance and product quality. a total of 600 7-day-old quail chicks were randomly allotted to eight experimental groups in a completely randomized design with five replicate pens and 15 quails per pen. experimental treatments including two levels of afb1 (0 and 2.5 mg/kg) and 4 levels of nigella sativa (ns) (0, 0.5, 1.0 and 1.5% of diet) were offered from 7 to 35 days of age to quail chicks. although feeding of afb1 ...201627553624
impact of cage stocking density on egg laying characteristics and related stress and immunity parameters of japanese quails in subtropics.the aim of this study was to investigate the effects of different cage stocking densities on egg production parameters, as well as related stress and immunity indices in japanese quails under subtropical egyptian conditions. two hundred and sixteen birds of japanese quail at 14th week of age were used in this experiment. the birds were divided randomly into three groups: 60, 72 and 84. each group subdivided into 4 replicates, where the cages' floor spaces were 200 (s1 ), 167 (s2 ) and 143 (s3 ) ...201626518149
impact of temperature-humidity index on egg-laying characteristics and related stress and immunity parameters of japanese quails.the aim of this study was to investigate the effect of temperature-humidity index (thi) level on productive parameters, welfare, and immunity in japanese quails. one hundred and eighty (180) birds of japanese quail, 14 weeks old, were used. birds were divided randomly into three equal groups, control (at low thi, less than 70), h1 (at moderate thi, 70-75), and h2 (at high thi, 76-80). birds in the control group had higher body weight (281.2 g, pā€‰=ā€‰0.001), egg mass (745 g, pā€‰=ā€‰0.001), fertility ( ...201626489416
complete genome sequence of a newcastle disease virus from a coturnix coturnix japonica (japanese quail) covey in india.the genome of a newcastle disease virus isolated from a japanese quail in 2003 is reported here. the genome is 15,192 nucleotides (nt) long, as found in the recent genotypes, and grouped as genotype viib, with a 6-nt insertion. this is the first report on the sequence of a genotype vii newcastle disease virus (ndv) from india.201424831141
a novel aflatoxin-binding bacillus probiotic: performance, serum biochemistry, and immunological parameters in japanese quail.two experiments were performed to screen bacilli isolated from quails for their aflatoxin removal potential and to assess the efficiency of their amelioration of experimental aflatoxicosis. nonhemolytic bacilli were selected for in vitro aflatoxin b1 (afb1) removal and conventional probiotic tests. the isolate with the highest scores was selected for assessment in field experiments and was identified as berevibacillus laterosporus (bl). in the second experiment, 125 male japanese quails (21 d ol ...201222802177
immune responses, intestinal microbiota, performance and blood characteristics of japanese quail fed on diets containing camphor.this study aimed to investigate the effect of supplemental camphor on the performance and immune functions of japanese quail by feeding graded levels (0 (control), 250, 500, 750, 1000, 5000 or 10 000 ppm) of camphor during a 42-day feeding trial. in all, 280 1-day-old quail chicks were randomly assigned into 28 cages of 10 chicks each with separate feeders. the results clearly demonstrated that camphor did not have a significant effect on bw, bw gain, total experimental average daily feed intake ...201728532523
the positive expression of genotype vii newcastle disease virus (malaysian isolate) in japanese quails (coturnix coturnix japonica).genotype vii newcastle disease virus (ndv) is the most predominant ndv strains that circulating in malaysia; thus, this study was aimed to determine the susceptibility of japanese quails toward genotype vii ndv. clinical signs, gross pathological lesions of organs, positive detection of virus in organs and cloacal swabs, as well as the expression of the antibody titer, were used as parameters to assess the susceptibility of japanese quails following infection of genotype vii ndv.201728620260
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