单一菌种与复合菌种益生菌制剂对蛋鸡生产效果研究

王永芬;赵志军;席磊;乔宏兴

Research on Produced Results of Layers by Single and Composite Probiotics Preparations

WANG Yong-fen;ZHAO Zhi-jun;XI Lei;QIAO Hong-xing

China Animal Husbandry & Veterinary Medicine . 2011, (11): 28 -32 .