Layer chickens
Identification of recombination hotspots and quantitative trait loci for recombination rate in layer chickens
... In conclusion, in this study, differences between sexes appear not to result from inbreeding coefficients or haplo- type structures. The observed window recombination rates and the average GRN were significantly greater ...
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<p>Oral Deliverable Mucoadhesive Chitosan-<em>Salmonella</em> Subunit Nanovaccine for Layer Chickens</p>
... in chickens vaccinated orally with OMPs-F-CS NPs. Layer chickens were vaccinated, challenged with live ...10 chickens, and the data were analyzed by non-parametric Kruskal–Wallis test followed ...
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Strategies to Minimize Heat Stress in Broiler and Layer Chickens
... • Reduce crude protein component (17% CP maximum) while maintaining daily intakes of methionine (360 mg) and lysine (720 mg). According to Temin et al. (2000) [9], decreased protein synthesis cannot be restored by high ...
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Performance and Carcass Characteristics of Layer Chickens Fed Diets Containing Prosopis Africana Seed Coat Meal Treated with Polyzyme®
... The values of %HDP recorded in this study ranged from 34.48 – 64.90 is lower than the range of values (64.97 – 68.47) reported by Okoeguale and Eruvbetine (2009) when unconventional feed supplemented with feed enzyme was ...
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Effect of aflatoxin residue on chicken egg quality of layer chickens in lamongan district east java province
... of layer chickens in the district of Lamongan, East Java Province, ...When layer chickens consume aflatoxine-contaminated feed, the aflatoxine residues on eggs will also cause decreasing of ...
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COMPARATIVE PRODUCTIVE PERFORMANCE OF INDIGENOUS NAKED NECK AND NAKED NECK CROSSBRED LAYER CHICKENS
... temperature, humidity, ventilation, floor space and light. A commercial layer mash was fed ad libitum to the birds at calculated basis and fresh water was made available to them throughout the experimental period. ...
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Comparative Effect of Microbial Phytase Supplementation on Layer Chickens Fed Diets with Required or Reduced Phosphorous Level
... The present study is affirmed by the Committee on the Ethics of Animal Experiments of Damanhour University, Egypt. A total of 116 Lohman Brown (LB), 23 weeks of age were obtained from a local private farm (Bassuin, ...
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Transmission and genetic diversity of Enterococcus faecalis among layer chickens during hatch
... A total of 300 newly hatched chicks were sampled at 0 h while 180 chickens were sampled at 24 h. A cloacal swab sample from each chick investigated was collected with a sterile cotton wool swab rotated in contact ...
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Novel Avian Leukosis Virus Subgroup J Infection Associated with Myelocytomas and Hemangioma in Chinese Hybrid Green-Shelled-Egg Chickens and Chai Chickens
... green-shelled-egg chickens were purchased from Henan province and 7000 165-day-old local Chai chickens were included for ...analysis. Chickens in these two flocks began to die off 2 weeks after ...
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Estimation of Heavy Metal Levels in the Muscle, Gizzard, Liver and Kidney of Broiler, Layer and Local (Cockerel) Chickens Raised within Awka Metropolis and Its Environs, Anambra State, South Eastern Nigeria
... > layer chicken > broiler ...local chickens usually harbor the greatest pollutants in their body system as they have no oral discrimination hence pick whatever they find edible in the ...environment. ...
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Molecular investigation of Cryptosporidium in farmed chickens in Hubei Province, China, identifies ‘zoonotic’ subtypes of C meleagridis
... broiler chickens [48], has been recorded in a broad range of avian hosts and is considered to be a dominant spe- cies in birds, although other taxa including ...including chickens, quails, ostriches, Pekin ...
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Tolerance Study for Standardized Macleaya cordata Extract Added to Chicken Layer Diet
... of layer chickens. Layer chickens ( N = 360) were ran- domly divided into four groups (90 birds/treatment, 10 birds/pen) and fed ei- ther a standard basal feed (T1) or a basal diet that was ...
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Clinical Evaluation and Surgical Management of Some Important Reproductive Problems of Intensively Raised Chickens in Zaria, Nigeria
... commercial layer chickens have been genetically mod- ified to lay more number of eggs per year; they are often administered egg boasters when productivity is not op- timized, and sophisticated feeding ...
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Effect of Adding L-carnitine and Probiotic on Performance and Carcass Parameters of Broiler Chickens
... broiler chickens with supplementation of L-carnitine had higher final body ...broiler chickens, observed at 7 days of rearing that chickens from the control group had significantly lower body weight ...
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Hatchability Performances of Hen Eggs under the Influence of Magnetic Field
... quality chickens was received in experimental group 8 ...of chickens had been received in experimental group 3 and it was ...129.0 chickens, the eggs were exposed to the action of magnetic field in ...
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Induction of DNA Damages upon Marek's Disease Virus Infection: Implication in Viral Replication and Pathogenesis
... from chickens infected with virulent MD viruses (vRB-1B and vRB-1B EGFP22) and, to a significantly lesser extent, in PBMCs from birds infected with an attenuated recombinant virus (vRB-1B ...
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<p>Molecular Detection Of Multidrug-Resistant <em>Salmonella</em> Isolated From Livestock Production Systems In South Africa</p>
... A total of three hundred and sixty-one (361) faecal and environmental samples were collected from different ani- mal hosts including cattle, sheep, goats, pigs, ducks and chickens which were housed in small-scale ...
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Recombinant Attenuated Salmonella enterica Serovar Typhimurium Expressing the Carboxy-Terminal Domain of Alpha Toxin from Clostridium perfringens Induces Protective Responses against Necrotic Enteritis in Chickens
... that alpha toxin is involved in the acquisition or assimilation of nutrients by degrading membrane phospholipids in vivo as well as during in vitro growth in CMM. Among other factors, the production of alpha toxin is ...
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The influence of in ovo injection with the prebiotic DiNovo® on the development of histomorphological parameters of the duodenum, body mass and productivity in large-scale poultry production conditions
... Prebiotics are components of feed derived from sugars, including raffinose family oligosaccharides (RFOs), galactooligosaccharides (GOS) and ß-glucans that select- ively stimulate both the growth and activity of the de- ...
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phoP, SPI1, SPI2 and aroA mutants of Salmonella Enteritidis induce a different immune response in chickens
... the chickens inoculated with different mutants did not indicate any difference in their residual virulence, differences were observed in the gene expression in the ...in chickens in- fected with wild-type ...
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