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soil behaviour of the veterinary drugs lincomycin, monensin, and roxarsone and their toxicity on environmental organisms.lincomycin, monensin, and roxarsone are commonly used veterinary drugs. this study investigated their behaviours in different soils and their toxic effects on environmental organisms. sorption and mobility analyses were performed to detect the migration capacity of drugs in soils. toxic effects were evaluated by inhibition or acute toxicity tests on six organism species: algae, plants, daphnia, fish, earthworms and quails. the log kd values (freundlich model) of drugs were: lincomycin in laterit ...201931817501
the effect of avocado seed powder (persea americana mill.) on the liver and kidney functions and meat quality of culled female quail (coturnix coturnix japonica).high temperatures have a detrimental effect on quail performance, even disrupting the immune system and function of the internal organs. this research aimed to investigate the effectiveness of avocado seed powder supplements on meat quality and the liver and kidney functions of culled female quails.201931849423
molecular detection of gamma coronaviruses in bird parks of iran.gamma coronaviruses (gcovs) are distributed worldwide, affecting a wide range of bird species, the beluga whale, and bottlenose dolphins. because of the limited proofreading capability in the viral encoded polymerase, they emerge genetically diverse. there has been no molecular surveillance data to describe the epidemiology of gcovs in avian species. the present study was conducted to detect gcovs in tehran birds’ parks, 2015. cloacal swabs (267 samples) from eight different bird speci ...201931939251
the impact of eggshell colour on the quality of table and hatching eggs derived from japanese quail.the aim of the study was to evaluate table and hatching eggs of japanese quails (coturnix coturnix japonica) depending on the eggshell colour. the research was carried out in two stages, in terms of table eggs' quality and their biological value as hatching eggs depending on the eggshell colour. in both stages, 300 japanese quail eggs were used in each (600 in total) divided into two equal groups: with a brown-spotted shell, with a uniform shell in shades of blue. in the 1st stage, quality chara ...202032046087
effects of phytosterols as food additives on adrenal and reproductive endocrine function during sexual maturation in male japanese quail (coturnix coturnix japonica).varying amounts of phytosterols (ps) occur naturally in several foods of plant origin. ps, which are structurally and functionally similar to cholesterol, have been shown to reduce plasma total cholesterol (tc) and low-density lipoprotein-cholesterol (ldl-c) levels. moreover, ps disrupts endocrine function in certain animals. in the present study, we investigated the effects of high doses of ps on adrenal and reproductive endocrine function during sexual maturation in japanese male quails. two e ...201832055169
ecological markers to monitor migratory bird populations: integrating citizen science and transboundary management for conservation purposes.countries share responsibility for the management and conservation of migratory bird species. however, a limited understanding of population dynamics hampers the implementation of harvest and transboundary management. age-ratios and population density can be useful indicators to assess population dynamics to improve management and conservation actions. here, the dynamics of an atlantic population of common quail coturnix coturnix, using 32,508 quail samples and 4814 hunter questionnaires over a ...202032063321
improves in external and internal egg quality of japanese quail (coturnix coturnix japonica) by giving lactic acid bacteria as alternative antibiotic growth promoter.an experiment was designed to determine the effect of using lactic acid bacteria as alternative antibiotic growth promoters on external and internal quality of egg's coturnix coturnix japonica.201932148671
[rhabdomyolysis: have you considered food poisoning from quails?]rhabdomyolysis (r) is a complex condition involving the rapid dissolution of damaged or injured skeletal muscle. this leads to the direct release of intracellular components, including myoglobin, creatine kinase, aldolase, and lactate dehydrogenase, as well as electrolytes, into the bloodstream and extracellular space. clinically, r shows a triad of symptoms: myalgia, limb weakness, and myoglobinuria without hematuria, while myoglobin has been recognized as playing a part in the development of a ...202032281758
lippia gracilis schauer essential oil as a growth promoter for japanese quail.the use of antibiotics as performance enhancers in animal feeding is declining, so lippia gracilis schauer essential oil (lgseo) could be used as a potential substitute for the conventionally used growth promoters. the lgseo contains components such as carvacrol and thymol, which kill and/or control pathogenic bacteria, increase population of beneficial organisms, act against oxidative processes and onto nutrient digestibility and absorption. the aim of this study was to investigate the action a ...202032345382
transgenesis and web resources in quail.due to its amenability to manipulations, to live observation and its striking similarities to mammals, the chicken embryo has been one of the major animal models in biomedical research. although it is technically possible to genome-edit the chicken, its long generation time (6 months to sexual maturity) makes it an impractical lab model and has prevented it widespread use in research. the japanese quail (coturnix coturnix japonica) is an attractive alternative, very similar to the chicken, but w ...202032459172
water and food restriction decreases immunoreactivity of oestrogen receptor alpha and antioxidant activity in testes of sexually mature coturnix coturnix japonica.food and water are closely associated with reproductive willingness in vertebrates. these are important for animals and their non-availability act as stressors which decrease sex steroid secretion suppressing reproductive behaviour. oestrogen plays a crucial role in reproduction via its receptors alpha (erα) and beta (erβ). this study tested the hypothesis that erα in testes of male japanese quail is regulated during water and food deprivations. the present study reveals that both water and food ...202032483881
genetic growth potential characterization in the japanese quail: a meta-analysis.the description of the growth of the japanese quails is necessary to characterize the genetic potential of these birds raised in different countries. thus, the aim of this study was to describe the genetic potential of japanese quails by conducting a meta-analysis considering studies conducted in different countries. only data about the subspecies coturnix coturnix japonica were considered; studies regarding coturnix coturnix coturnix were not examined. the criteria investigated were bw (w), age ...202032624080
rate of feed passage in japanese quail.the rate of passage (rop) in the gastrointestinal tract (git) influences the exposure time of food to the digestion and absorption processes. consequently, rop affects the efficiency of nutrient utilization and energy from the diet. this study aimed to determine the physiological parameters that characterize the digestive response, such as first appearance time (fat), rop, mean retention time (mrt) and transit time (tt) in adult japanese quail (coturnix coturnix japonica), and to evaluate the ef ...202032638680
data on the de novo transcriptome assembly for the migratory bird, the common quail (coturnix coturnix).the common or european quail (coturnix coturnix) is a galliform bird of ecological importance for research in the field of animal migration. the common quail is also a game bird, thus, of great interest for recreational activities and conservation management. here, we generated a high quality de novo transcriptome for the common quail for which no reference genome is to date publicly available. the transcriptome was obtained from a population of common quail originated from captive founders rais ...202032775561
restricted feeding could enhance feed conversion ratio and egg quality of laying japanese quail kept under different stocking densities.impacts of different stocking densities and feed restriction on egg production and quality and blood biochemicals of laying japanese quail (coturnix coturnix japonica) were studied. a total number of 360 adult japanese quails were used in an experiment, including two stocking densities (300 and 200 cm2/bird) and four feed restriction levels (ad libitum, 25, 30 and 35 g/day/bird). as a result of this study, feed restriction (30 g/bird/day) enhanced most of egg production traits and improved hatch ...202032844728
effects of taurine supplementation on productive performance, nutrient digestibility and gene expression of nutrient transporters in quails reared under heat stress.this study was conducted to examine the effects of dietary taurine supplementation on productive performance, nutrient digestibility, antioxidant status, and the gene expression of ileal nutrient transporters in laying quails reared under heat stress (hs). one hundred and eighty laying japanese quails (coturnix coturnix japonica) were fed a basal diet or basal diet supplemented with either 2.5 or 5 g of taurine per kg of diet, and reared at either 22 ± 2 °c for 24 h/d (thermoneutral, tn) or 34 ± ...202032888571
effects of multi-trait selection on phenotypic and genetic changes in japanese quail (coturnix coturnix japonica).the present study in japanese quail was aimed to develop multi-trait genetic selection program for a meat type sire line utilizing the mixed-model methodology. in total, 2000 pedigreed quail were formed the basis of the research where a multi-trait animal model was performed. a flock consisting of a total of 160 families (1 male: 3 female) was developed from the initial flock (base population of sire line), so as to obtain a selection flock sire line. body weight at 5 weeks of age was chosen as ...201632908371
growth performance, serum biochemistry and meat quality traits of jumbo quails fed with mopane worm (imbrasia belina) meal-containing diets.alternative protein sources such as mopane worm (imbrasia belina) meal (mwm) are essential for sustainable poultry production. to date, no studies have attempted to investigate the effect of replacing soybean products with mwm in jumbo quail diets. thus, this study was designed to investigate the optimum inclusion level of mwm in place of soybean products on feed intake, physiological and meat quality responses of jumbo quails. a total of 384 two-week-old mixed-gender quails (71.2 ± 5.40 g live- ...202032923738
reducing the abundance of harmful bacteria of rooftop tank-stored drinking water using silver nanoparticles and acetic acid and its impact on japanese quail growth performances.this study evaluated the microbial diversity of rooftop tank-stored drinking water consumed by japanese quail (coturnix coturnix japonica) using silver nanoparticles (agnps) and acetic acid (ac) and their mixture. japanese quails (2 weeks old) of two different plumage colors, white and brown, were divided into four groups. in group 1 (control), birds received rooftop tank-stored water. in groups 2, 3, and 4, birds received rooftop tank-stored water treated with ac (0.5 ml/l), agnps (0.1 mg/l), o ...202033034010
pharmacokinetics, bioavailability and tissue residues of doxycycline in japanese quails (coturnix coturnix japonica) after oral administration.this study aimed to determine the bioavailability, tissue residue and withdrawal time of doxycycline after oral administration in japanese quails (coturnix coturnix japonica). japanese quails received doxycycline at 20 mg/kg dose following either single intravenous or oral administration, or 5-day oral administration. doxycycline concentrations in plasma, liver, kidney, muscle, and skin + fat were determined using high-performance liquid chromatography-ultraviolet. the withdrawal time v1.4 softw ...202033066710
apoptosis of germ cells in the normal testis of the japanese quail (coturnix coturnix japonica).it has been established that excess germ cells in normal and in pathological conditions are removed from testicular tissue by the mechanism of apoptosis. studies on germ cell apoptosis in avian species are grossly lacking, and there are only a few reports on induced germ cell degenerations in the testis tissue of birds. this study was designed to investigate the process of apoptosis of germ cells in the japanese quail (coturnix coturnix japonica). germ cell degenerations were investigated in bir ...202033091765
mitochondrial dna diversity in commercial lines of laying-type japanese quail.the present study aims to investigate the maternal origin and genetic diversity of laying-type japanese quail lines based on partial sequences (453 base pairs) of a mitochondrial dna (mtdna) control region. a total of 478 individuals from 12 lines were sequenced and six different haplotypes with eight variable sites were identified. all haplotypes, two of which were identical to previously reported sequences, were typical for the japanese quail (coturnix japonica) and were distinct from those of ...202033132724
effect of oregano essential oil supplementation on performance, biochemical, hematological parameters and intestinal histomorphometry of japanese quail (coturnix coturnix japonica).this study was performed to evaluate the efficacy of two levels of dietary oregano essential oil (oeo) on growth performances, biochemical, hematological parameters, and intestinal histomorphology in japanese quail. a total number of 99 quail chicks were divided into three groups (33 quails per group): control, oeo 150 mg kg-1, and oeo 300 mg kg-1 treated groups for 42 days. feed conversion ratio (fcr), feed intake, weight gain, and edible organ weight were recorded. biochemical and hematologica ...202033133458
pasta waste in the feeding of meat quail.this study was undertaken to investigate the performance, carcass characteristics, and economic viability of diets including pasta waste in meal form (pwm) for quail. a total of 450 unsexed meat quail (coturnix coturnix coturnix) were distributed into five treatments (0, 10, 20, 30, and 40% inclusion of pwm) in a completely randomized design with six replicates, each with 15 birds. the following rearing periods were evaluated: phase 1 - 1 to 21 days; and period of 1 to 42 days. in phase 1, the p ...202033175012
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