复合酶制剂对蛋用种鸡产蛋、繁殖性能及消化率影响的研究
杨久仙;张金柱;郭保海;王书和;计成;马秋刚
Effects of Feed Enzyme Preparation on the Production and Breed Performance and Digestibility in Laying Breeder Hens
YANG Jiuxian;ZHANG Jinzhu;GUO Baohai;WANG Shuhe;JI Cheng;MA Qiugang
China Animal Husbandry & Veterinary Medicine
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2009, (3): 32
-35
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