Results 31 to 40 of about 841,035 (344)
Effect of housing system on the calcium requirement of laying hens and on eggshell quality
Czech Journal of Animal Science, 2008 The effects of housing systems on the calcium requirement for eggshell production, eggshell quality and on the breaking strength of the hen's tibia were evaluated.
M. Lichovníková, L. Zeman
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Veterinary Medicine International, 2021 Colibacillosis in Indonesia until now still appears frequently, so the case of colibacillosis laying hens cannot reach the peak of egg production; the egg production period is delayed and easily infected with other diseases.
Sunaryo Hadi Warsito +9 more
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Virginiamycin and Laying Hen Performance
Poultry Science, 1985 Two experiments were conducted for five 28-day periods each. In Experiments 1 and 2, Hyline W-36 hens, 36 and 26 weeks of age, respectively, were used. Experiment 1 was designed to measure the effect of virginiamycin on hen performance and egg characteristics when supplementing a diet having low pigmentation potential.
R D, Miles, D M, Janky, R H, Harms
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The Ethics of Laying Hen Genetics
, 2020 Despite societal concerns about the welfare of commercial laying hens, little attention has been paid to the welfare implications of the choices made by the genetics companies involved with their breeding.
Mia Fernyhough +4 more
semanticscholar +1 more source
Effect of Different Cage Densities and Age on Keel Bone Damage and Some Hormones in Laying Hens [PDF]
Brazilian Journal of Poultry ScienceThis study aimed to determine the effect of three distinct cage densities (750 cm2/hen, 535 cm2/hen, and 375 cm2/hen) on the keel bone damage of brown (Hyline Brown, HB) and white (Isa Tinted, IT) laying hens by x-ray method.
A Uysal, E Laçin
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Influence of light wavelength on viability and reproductive function of hens
Науковий вісник Львівського національного університету ветеринарної медицини та біотехнологій імені С.З. Гжицького. Серія: Сільськогосподарські науки, 2021 The article presents the results of influence of monochrome light with different light wavelengths on the hens’ viability and productivity. For this purpose, in the conditions of a modern complex for production of food eggs in a poultry house with an ...
Yu. V. Osadcha, G. I. Sakhatsky
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Poultry Science, 1984 One hundred fifty Single Comb White Leghorn hens of two strains previously selected for either high eggshell strength (HES strain) or low eggshell strength (LES strain) were treated for 8 weeks with sodium fluoride added to a practical-type corn-soybean meal basal diet at 0, 300, 600, 900, or 1200 ppm.
B, Van Toledo, G F, Combs
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Economic analysis of different laying hen farm capacities in Turkey
Agricultural Economics (AGRICECON), 2010 In this study, different capacity laying hen farms in Afyon province, which are of a considerable importance in the laying hen farming in Turkey, were compared in the terms of performance, including feed consumption, production cost and profitability per
Vecdi DEMIRCAN +5 more
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Jurnal Ilmu-Ilmu Peternakan, 2023 Laying hens farming is one of the livestock industries that has the potential to develop in Indonesia. Raising laying hens, like other agricultural and food businesses, has many potential risks in its operations.
Dona Wahyuning Laily +3 more
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Effect of High Moisture Ear Corn and High Moisture Shelled Corn Feeds on Laying Hen Performance
The Journal of Poultry Science, 2016 The aim of the study was to test the effect of high moisture ear corn (HMEC) and high moisture shelled corn (HMSC) feeds on laying hen performance. A total of 108 Rhode Island Red laying hens were divided by body weight and performance into 12 blocks (9
Kyoko Kunishige, Yoko Koda, Satoshi Hara
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