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Starving method was used to study the forced molting of Avian parent stock, 6 369 hens at 62 weeks of age were involved in this thesis. 採用飢餓法對艾維茵父母代肉種雞進(jìn)行強(qiáng)制換羽觀察,試騐雞群6 369衹,爲(wèi)62周齡母雞。