Results 21 to 30 of about 5,790 (232)
Poultry Science, 2022 : Current commercial strains of broiler breeders display reproductive dysregulation when fed to satiety, but they can achieve optimal hatching egg production under feed restriction.
Aitor Arrazola +2 more
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Effect of m a tings among broiler breeder parent groups of different body weight on broiler performance :i. performance of broiler breeders [PDF]
Eurasian Journal of Veterinary SciencesThe purpose of this study is 1o determine the relationships belween body weight and age ol sexual maturity in broiler breeders and to determine the effects of housing together male and female broiler parents with different body weight at 22 weeks old age
Süleyman Dere, M.Alı Tekeş
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Carcass Characteristics, Digestive System Traits of Spent Broiler Breeder and Dual-Purpose Hens
Animals, 2022 Raising dual-purpose hens for meat is believed to bring more economic benefits to farmers selling products directly to consumers. The aim of the study was to determine the differences between the carcass features and the digestive system of multipurpose ...
Karol Włodarczyk +3 more
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Perch use by broiler breeders and its implication on health and production. [PDF]
, 2017 Broiler breeders are commonly kept without perches, although perching has been shown to be a high-priority behavior in laying hens. We studied whether broiler breeders used elevated perches of different lengths during the night and how access to perches ...
S.G. Gebhardt-Henrich +5 more
core +1 more source
Brazilian Archives of Biology and Technology, 2011 The aim of this work was to evaluate the effect of broiler breeders' age and yeast wall (YW) levels on broilers' performance and macrophage activitys. The experiment consisted in a completely randomized design and a 2 X 5 factorial arrangement and two ...
Suelen Regina Ferreira +4 more
doaj +1 more source
Italian Journal of Animal Science, 2021 This experiment was conducted to investigate the effects of different supplementation levels of palygorskite and probiotics complex (Pal-Pro) on laying performance, hatching performance, egg quality, plasma antioxidative status, and immune response of ...
Yuying Deng +6 more
doaj +1 more source
Sodium Chloride for Broiler Breeders
Poultry Science, 1983 Two experiments, each of 224 days duration, were conducted with Cobb broiler breeders, 32 weeks of age, to determine their response to supplemental dietary sodium chloride levels ranging from .12 to .48% in a corn-soybean meal diet. Average hen-day egg production, daily feed intake, feed required per dozen eggs, and egg specific gravity were not ...
B L, Damron, H R, Wilson, R H, Harms
openaire +2 more sources
The Journal of Poultry Science, 2016 Two factorial completely randomized design trials 2×2 and 2×2×2 were conducted to evaluate the effect of a blend of essential oils and organic acids (BiacidTM) in broiler breeder diets at two levels, two dietary non-starch polysaccharides (NSPs) levels ...
Saeed Toosi +4 more
doaj +1 more source
Measurement of Efficiency Levels in Open House System Broiler Breeders in Malang Regency, Indonesia
Jurnal Ilmu-Ilmu Peternakan, 2023 Broiler farming in Malang Regency, East Java, Indonesia, has experienced rapid growth, significantly contributing to the regional economy. In this region, the open cage system is among the broiler cage systems that are commonly used.
Stepanus Pakage +18 more
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Water Usage of Broiler Breeders
Poultry Science, 1989 Water usage of daily fed and skip-a-day-fed broiler pullets housed in cages was measured in two trials. Daily fed birds in both trials had free access to water. In Trial 1, skip-a-day-fed birds were restricted to 4 h water every day or only on feed days. In Trial 2, the skip-a-day-fed birds were water restricted 4 h either every day, only on feed days,
C D, Bennett, S, Leeson
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