Reproductive Performance of Pheasant Breeder Hens
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چکیده
منابع مشابه
Ahemeral lighting of turkey breeder hens. 2. Early age at lighting and reproductive performance.
An experiment was conducted to determine whether ahemeral lighting (AH) could be used to obtain increased egg weight and poult weight and otherwise normal reproductive performance in Large White turkey hens lit as early as 26 wk of age. The experimental design utilized a 2 x 2 factorial arrangement of treatments that evaluated two light cycle lengths (24 h, control and 28 h, ahemeral) at two he...
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ژورنال
عنوان ژورنال: Poultry Science
سال: 1968
ISSN: 0032-5791
DOI: 10.3382/ps.0471858