One hundred and eighty one-day-old commercial Sanshui White ducks were assigned to 2 treatments (control group and dry-feeding system group) randomly to deeply understand the structure and function of the preen gland of waterfowl.
为研究水禽尾脂腺的结构、功能及其受环境的影响,将180只1日龄商品代三水白鸭随机分为水养和旱养2个处理,每个处理3个重复,每重复30只,公母各半。
One hundred and eighty 1-day-age commercial Sanshui white ducks(SWD) were assigned into 2 treatments(control group and dry-feeding system group) randomly.
180只1日龄商品代三水白鸭随机分为2个处理(水养组和旱养组),每个处理组3个重复,每重复30只,公母各半。
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