植酸酶和纤维素酶对蛋鸡生产性能的影响及蛋鸡非植酸磷需要量研究
王丽娟,单安山,宋金彩
Effects of supplemental microbial phytase and cellulase on performance and phosphorus requirement of layers
动物营养学报 . 2001, (03): 39 -0 .