·2,447,543篇论文数据,部分数据来源于NoteExpress
Divided into four groups according to different crude protein (CP) levels, 608 Hidden white -feather breeding hen at 38 week were feed for 63 days.
选38周龄隐性白羽鸡608只,分成四组,分别饲喂四种不同蛋白水平的日粮,进行63天饲养试验。
youdao
应用推荐
模块上移
模块下移
不移动