Konu "yolk" için Veteriner Fakültesi listeleme
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Effects of breeder age on mineral contents and weight of yolk sac, embryo development, and hatchability in Pekin ducks
(Oxford Univ Press, 2014)The current study was carried out to investigate the effects of breeder age on egg composition, changes of embryo, yolk sac, and yolk minerals during incubation and hatchability in Pekin ducks. A total of 495 freshly laid ...