Results 31 to 40 of about 15,741 (238)
Brazilian Journal of Poultry Science, 2019 Present study evaluated carcass and meat quality attributes of broilers, broiler breeders and Aseel chickens. Sixty birds from each chicken genotype (broiler, broiler breeder and Aseel chickens; five-wk-old broilers and 60-wk-old Aseel chickens and ...
U Khan +8 more
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Research Progress in Nutritional Requirements and Feed for Yellow-feathered Broiler Breeders
Guangdong nongye kexue, 2022 In order to promote the efficient and healthy development of yellow-feathered broiler breeders, it is very important to solve the existing problems such as dietary waste, environmental pollution and low reproductive efficiency.
Sheng ZHANG, Shouqun JIANG
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The Effect of Dietary Energy and Protein Levels on Production in Breeding Female Ostriches. [PDF]
, 2003 1. In a study spanning two breeding seasons, we assessed the effect of different dietary energy and protein levels on body mass, body condition, and egg production of female ostriches. 2.
Brand, T.S., Brand, Z., Brown, Chris
core +2 more sources
Sodium Requirement for Broiler Breeder Hens
Poultry Science, 1995 Two experiments were conducted with Arbor Acres hens to determine their Na requirement. Sodium chloride was added to a corn-soybean meal diet to furnish daily intakes of 35, 65, 95, 125, and 150 mg per hen in Experiment 1. The 150 mg level was replaced with 180 mg in Experiment 2. The hens were maintained in floor pens with wood shavings used as litter.
R H, Harms +3 more
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Journal of Applied Poultry Research, 2020 Summary: The aim of the study was to examine the effects of age of broiler breeders and storage duration on quality traits and blastoderm of eggs obtained from Marshall broiler breeders.
V.A. Uyanga +4 more
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Brazilian Journal of Poultry ScienceThis study investigated the effect of broiler breeder age on the morphological development of the small intestine broiler embryos (villus height, crypt depth, microvillus height, and villus density) at 20 day of incubation.
A Maiorka +5 more
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Environmental Enrichment for Broiler Breeders: An Undeveloped Field
Frontiers in Veterinary Science, 2017 Welfare problems, such as hunger, frustration, aggression, and abnormal sexual behavior, are commonly found in broiler breeder production. To prevent or reduce these welfare problems, it has been suggested to provide stimulating enriched environments. We
Anja B. Riber +3 more
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A Dead Broiler Inspection System for Large-Scale Breeding Farms Based on Deep Learning
Agriculture, 2022 Stacked cage is the main breeding method of the large-scale farm in China. In broiler farms, dead broiler inspection is a routine task in the breeding process.
Hongyun Hao +5 more
doaj +1 more source
Poultry Science, 2022 : Infectious Bronchitis Virus (IBV) is one of the most important viral diseases which causes important economic losses in poultry industry. This study aimed to assess the seroprevalence, prevalence, and variants of IBV in broilers, layers, and broiler ...
Verónica Cortés +4 more
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Copper requirements of broiler breeder hens
Poultry Science, 2018 One-hundred-twenty Cobb 500 hens, 20 wk of age, were randomly allocated into individual cages with the objective of estimating Cu requirements. After being fed a Cu deficient diet for 4 wk, hens were fed diets with graded increments of supplemental Cu (0.0; 3.5; 7.0; 10.5; 14; and 17.5 ppm) from Cu sulfate (CuSO4 5H2O), totaling 2.67; 5.82; 9.38; 12.92;
E, Berwanger +6 more
openaire +2 more sources