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CFD Investigation on Combined Ventilation System for Multilayer-Caged-Laying Hen Houses. [PDF]

Animals (Basel)
Hu C, Li L, Jia Y, Xie Z, Yu Y, Huo L.
europepmc   +1 more source

Nutrigenomic evidence of phytogenic cytoprotective functions in the ovary and liver provides mechanistic support for improved laying hen performance. [PDF]

Anim Biotechnol
Brouklogiannis I, Mountzouris KC.
europepmc   +1 more source

Expression of fibroblast growth factor 23 (FGF23) and αKlotho in two commercial laying hen strains fed with and without dietary mineral P supplements before and after the onset of the laying phase. [PDF]

Poult Sci
Meier L, Wallauch N, Feger M, Oster M, Sommerfeld V, Schmucker S, Wimmers K, Huber K, Stefanski V, Rodehutscord M, Föller M.   +10 more
europepmc   +1 more source

Poster Session 3

Pregnancy, Volume 2, Issue S2, September 2026.
wiley   +1 more source

Motivation in laying hens [PDF]

, 2001
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Suspected Mycotoxicosis in Laying Hens

Avian Diseases, 1985
A flock of 15,000 leghorn-type hens experienced a 10% drop in egg production. Enlarged, blue combs and diarrhea were also present. Clinical signs, postmortem and histopathological lesions, and response to therapy were compatible with a diagnosis of mycotoxin intoxication.
C L, Hofacre, R K, Page, O J, Fletcher
openaire   +2 more sources

Copper Deficiency in the Laying Hen

The Journal of Nutrition, 1978
Copper deficiency in the laying hen resulted in anemia and the production of eggs which were abnormal in size and shape. Many of the eggs had shells which were wrinkled and rough in texture. There was also an increase in the number of shell-less eggs.
S, Baumgartner, D J, Brown, E, Salevsky, R M, Leach   +3 more
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The effects of lindane on laying hens

British Poultry Science, 1972
Synopsis Feeding lindane, in capsule form, to laying hens at a rate equivalent to 100 mg/kg food for 1 or 2 weeks had little effect on egg production. Longer periods of feeding resulted in a 20 to 30% decrease in the rate of egg production. When treatment was stopped after 4 weeks, the birds recovered and egg production returned to its original rate ...
C C, Whitehead, A G, Downing, R J, Pettigrew   +2 more
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Characterization of persistency of lay in laying hens

Biology of Reproduction
Abstract Selective breeding in laying hens has resulted in a laying rate of approximately one egg per day during their first year. Due to variability within a flock, egg-laying rates decline after the first year, leading producers to cull hens.
Laurie Francoeur, Deena M Scoville, Jaclyn G Ahern, Patricia A Johnson   +3 more
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The laying hen and bone fractures

Veterinary Record, 2011
THE laying hen has undergone considerable artificial selection pressure over the past century, to increase its egg output in order to provide a protein-rich food source for humans. While its wild counterpart will lay just five to six eggs per breeding season, modern breeds will lay in excess of 300 eggs per year (Lever 2011). With increased egg output,
openaire   +2 more sources