Preparation and Application of the Trivalent K_(88)ac-ST_1-LT_B Gene Engineering Inactivated Vaccine Against Colibacillus Diarrhea of Newborn Piglet

• 新生仔猪大肠杆菌性腹泻K_（88）ac-ST_1-LT_B三价基因工程灭活疫苗的研究与应用