Results 71 to 80 of about 87,548 (299)

Heat Stress in Quail: Impacts on Health and Productivity, and Mitigation Strategies

Animal Research and One Health, EarlyView.
Heat stress disrupts physiological homeostasis in quail, inducing oxidative stress, immune dysregulation, and metabolic imbalance, which impair growth, reproduction, product quality, and welfare. Integrating nutritional, environmental, and genetic–epigenetic strategies enhances thermotolerance, sustains productivity, and supports climate‐smart quail ...
T. A. Eletu, I. A. Anjola, L. O. Fasasi, D. P. Fadipe, A. T. Afuye, F. O. Fasanya, O. E. Oke   +6 more
wiley   +1 more source

Production-economic results in hatching eggs production for Arbor Acres laying hens [PDF]

Veterinarski Glasnik, 2005
Investigations were carried out on Arbor Acres laying hens divided into two experimental groups, with group! having an initial mass of 2.70 kg, and group II of 2.15 kg. On entering exploitation, the laying hens were 22 weeks old and the experiment lasted
Blagojević Miroslav, Tešić Milan, Sinovec Zlatan, Palić Todor   +3 more
doaj   +1 more source

The Effects of Supplementation of Chlorella vulgaris Biomass on Egg Production and Composition of Laying Hens. [PDF]

Vet Med Sci
Dietary supplementation with Chlorella vulgaris up to 0.5% improved laying hen productivity, increasing egg number and daily production rate without compromising egg weight. Egg nutritional composition remained largely unchanged, with only indicative trends in fatty acid ratio and cholesterol, suggesting potential for productivity enhancement without ...
Jonova S, Plivca A, Freiberga A, Gorbacevska D, Ilgazs A, Eglite S, Zolovs M, Apse OJ, Semjonovs P, Ilgaza A.   +9 more
europepmc   +2 more sources

Deposition of carotenoids in egg yolk by short-term supplement of coloured carrot (Daucus carota) varieties as forage material for egg-laying hens [PDF]

, 2010
BACKGROUND: Supplying egg-laying hens with different forage materials may influence egg production and quality. The aim of this study was to examine the short-term effects of standard feed plus 70 g day−1 per hen of three coloured carrot varieties ...
Hammershoj, Marianne, Kidmose, Ulla, Steenfeldt, Sanna   +2 more
core  

Effect of Cyclic Heat Exposure on the Growth Performance and Metabolism of Broilers Fed Palm Kernel Meal

Animal Research and One Health, EarlyView.
The aim of our study is to evaluate the interaction between HS and the incorporation of PKM in broiler chicken diets, as well as its effect on growth performance and metabolism. Based on the results obtained, PKM supplementation failed to mitigate the adverse effects of heat stress in broiler chickens. ABSTRACT The aim of this study was to evaluate the
Ahmed Mijiyawa, Elham Ghashghaei, Okasha Hamada, Huimin Wang, Lijing Sun, Yendouhamtchié Nadiedjoa, Dan Wang, Zhengkai Yue, Clarice Maa Maa Temhoul, Maxwell Ansong Okai, Muhammad Faisal Riaz, Felix Kwame Amevor, Wéré Pitala, Hai Lin   +13 more
wiley   +1 more source

Laying hen husbandry: group size and use of hen-runs [PDF]

, 2000
With regard to welfare reasons, various label productions limit the number of laying hens allowed per flock.
Hirt, Helen, Hördegen, Philipp, Zeltner, Esther   +2 more
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Comprehensive Characterization of Acer truncatum Leaf Extract: Identification of Systemic Metabolites and Effects on Performance, Antioxidant Status, and Intestinal Microbiota in Laying Hens

Animal Research and One Health, EarlyView.
Dietary A. truncatum leaf extract is absorbed and improves laying performance in aged hens by enhancing systemic antioxidant capacity and modulating the gut microbiota. ABSTRACT The demand for natural feed additives is considerably increasing in the antibiotic‐free feed era.
Kailong Qin, Jiantao Yang, Minglu Gao, Xiaozhao Tao, Xin Yang, Yanli Liu, Xiaojun Yang   +6 more
wiley   +1 more source

Animal Welfare Certification For Laying Hens: Compliance With The Legal Prohibition Of Mistreatment In Brazil

Derecho Animal, 2019
This article aims to analyze the effectiveness of animal welfare certification for compliance with the legal prohibition of cruelty and mistreatment in the egg industry.
Yuri Fernandes Lima
doaj   +1 more source

A risk assessment of health, production, and resource occupancy for 4 laying hen strains across the lay cycle in a commercial-style aviary system

Poultry Science, 2020
Different strains of commercial laying hens have been molded by varying selection pressures, impacting their production, health, and behavior. Therefore, assumptions that all laying hen strains use the given resources within aviary systems similarly and ...
Ahmed B.A. Ali, Dana L.M. Campbell, Janice M. Siegford   +2 more
doaj   +1 more source

Salmonella and campylobacter in organic egg production - with special reference to the Finnish situation [PDF]

, 2005
In Finland, an ongoing (2003-2005) research project on organic egg production, animal welfare and food safety is examining campylobacter and salmonella contamination of approximately 20 organic layer farms.
Hänninen, M. L.
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