紫锥菊复合物对雏鸡人工感染新城疫病毒效果观察

冯善祥

Study on the Preventive and Therapeutic Effect of the Compound Recipe of Echinacea to Chicken Infected with NDV

FENG Shan-xiang

China Animal Husbandry & Veterinary Medicine . 2011, (4): 225 -227 .