Rubenstein, E.M. and Beltran, L.E., 1975. Economic losses from foot and mouth disease: a case study on a pig farm in Columbia. Trop. Anim. Health Prod., 7: 149-151
hello_xn 查看完整内容
请注明:姓名-公司-职位
以便审核进群资格,未注明则拒绝