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Interaction of breeds, years, age of bird and pen effects on hen day lay of three layer breeds and their adaptation in the derived Southern Guinea Savannah of Nigeria

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Author(s): Deeve S. Gwaza | Terzungwe Ahemen | J. Ochoche Egahi

Journal: Extreme Life, Biospeology & Astrobiology
ISSN 2066-7671

Volume: 3;
Issue: 2;
Start page: 77;
Date: 2011;
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Keywords: cage-position | hen-day lay | interaction | Guinea Savannah

ABSTRACT
Egg production of Haco black, Shaver’s brown, Lohman brown and Olympia black werecollected from production records at Big Bam commercial farm Makurdi from 1997 to 2004. The meanhen day lay of the breeds were estimated in percentages at 49-52, 56-60 and 69-73 weeks. The meanhen day lay of effects of breed by year and breed by pen by age of bird interactions were estimated.The hen day lay of Haco black by year interaction were low varied significantly (P
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