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Sexual maturity of Pantsyrev hens.


, : Sexual maturity of Pantsyrev hens.. Sborn. Rob. molod. U6 beta n. vsesojuz. nauc.-issled. Inst. Pticev, 6, 58-62

Data were obtained from the Pantsyrev Black breed group of fowl at the Stud Farm Pantsyrev in Ulyanovsk Province. In the 1st month of lay pullets' eggs consisted of 15.6% yolk, 74.3% albumen and 10-1% shell v. 31.5, 58.8 and 7.9% resp. at 13 mths.

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