Results 21 to 30 of about 818,236 (379)
Genome-wide association studies for small intestine length in an F2 population of chickens
Italian Journal of Animal Science, 2018 Small intestine length is an important physiological index that is effected by nutrient intake and thus plays roles in growth and egg-laying in chickens.
Shangmin Li +8 more
doaj +1 more source
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
doaj +1 more source
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
doaj +1 more source
Microbiome applications for laying hen performance and egg production
Poultry Science, 2022 : Management of laying hens has undergone considerable changes in the commercial egg industry. Shifting commercial production from cage-based systems to cage-free has impacted the housing environment and created issues not previously encountered. Sources
Steven C. Ricke +2 more
doaj +1 more source
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
doaj +1 more source
Physiological Stress in Laying Hens
Poultry Science, 2006 Stress responses in laying hens were mediated by continuous infusion of adrenocorticotropin (ACTH) via osmotic pumps. The ACTH was dissolved in saline solution (0.85%), and each pump delivered 8 IU of ACTH per kilogram of BW per day at the rate of 1 microL/h for 7 d. Control hens received pumps loaded with saline. Measurements were made at 6 d postpump
J Odihambo, Mumma +3 more
openaire +2 more sources
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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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
openaire +2 more sources
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
doaj +1 more source
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
doaj +1 more source