Results 11 to 20 of about 19,101 (255)
Oxytocin in the Neurohypophysis of the Laying Hen [PDF]
Nature, 1960 ALTHOUGH it has been well known that the administration of posterior lobe hormones induces premature oviposit ion in the hen, Gallus domesticus 1,2, as in other fowls3, it remains undetermined whether the hormone(s) plays an essential part in normal oviposition.
K, TANAKA, S, NAKAJO
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Motivation to dust-bathe of laying hens housed in cages and in aviaries
Animal, 2007 New housing systems for commercial egg production, furnished cages and non-cage systems, should improve the welfare of laying hens. In particular, thanks to the presence of a litter area, these new housing systems are thought to satisfy the dust-bathing ...
S. Colson, C. Arnould, V. Michel
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CHANGES IN THYROID HORMONES DURING THE EGG LAYING CYCLE IN FAYOUMI HENS [PDF]
Assiut Veterinary Medical Journal, 1990 T, and The aim of the present study was to determine the levels of T TSH in the serum of laying and non laying Fayoumi chickens. The biological and T, was also measured in these chicken to half life of exogenous T elucidate the relationship between the ...
NAHED E. EL-TOUKHY +3 more
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Siliao yanjiu, 2023 The experiment was to investigate the effect of fucoidan on production performance, egg quality and antibody level of laying hens in late laying period. A total of 240 laying hens aged 50 weeks were randomly divided into four groups, with five replicates
GUO Li-wei, LI Peng-cheng, YANG Gui-jun
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Application of Malathion to the Laying Hen
Poultry Science, 1968 Abstract INTRODUCTION THE increased use of pesticides in and around the poultry house has paralleled the increase in other areas of animal and plant agriculture in the United States. Still, the use of pesticides is not equally viewed by everyone.
W W, Marion, J M, Ning, S M, Ning
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Siliao yanjiu, 2023 The experiment was to investigate the effect of Lactobacillus rhamnosus supplementation on production performance, egg quality, serum antioxidant and immune indexes of Roman pink laying hens during peak production. A total of 1 200 Roman pink laying hens
HUANG Ming-yuan +3 more
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The Journal of Poultry Science, 2017 A trial was conducted to investigate the effects of dietary mannan level and β-mannanase supplementation on egg production performance, nutrient retention and blood metabolites of laying hens.
Myung H. Ryu +7 more
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The Journal of Poultry Science, 2022 Upon contact with laid eggs, avians initiate incubation behavior and stop laying additional eggs. This phenomenon suggests that the productivity of laying hens in free-range facilities may decrease because of frequent contact with laid eggs.
Yuichiro Yonetani +3 more
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Animals, 2021 The T329S mutation in flavin-containing monooxygenase 3 (FMO3) impairs the trimethylamine (TMA) metabolism in laying hens. The TMA metabolic pathway is closely linked to lipid metabolic diseases, such as atherosclerosis and fatty liver disease.
Jianlou Song +8 more
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Siliao yanjiu, 2022 The study was to investigate the effect of supplementation of Phellinus linteus polysaccharide (PL-N) in diet on lipopolysaccharide (LPS) induced production performance, serum biochemistry, immunity and antioxidant capacity of laying hens. A total of 500
Dong-shu JIA +4 more
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