Saturday, September 17, 2022
Tuesday, September 20, 2022
Thursday, September 22, 2022
Thursday, September 22, 2022
链球菌在自然界中广泛存在,所以猪链球菌的培养要求不高,一般培养基都能生长的十分茂盛。...
Sunday, September 18, 2022
Sunday, September 18, 2022
Thursday, September 22, 2022
Thursday, July 6, 2023
Tuesday, September 20, 2022
Thursday, September 22, 2022
Wednesday, September 21, 2022
Thursday, September 15, 2022
Thursday, September 15, 2022
禽流感的传播途径有哪些?家禽的主要感染途径有哪些?(间接接触传播的媒介有哪些?)...
Thursday, September 22, 2022
链球菌在自然界中广泛存在,所以猪链球菌的培养要求不高,一般培养基都能生长的十分茂盛。...
Thursday, September 22, 2022
判断题评价疫苗保护率可以通过免疫抗体监测,一般认为疫苗的保护率达到50%以上,认为该疫苗的质量较好,可以有效抵御疾病的侵袭。A 对B 错...
Friday, May 19, 2023
为什么因炭疽病死亡的动物尸体不能解剖?发生炭疽病后如何处理?...
Thursday, September 15, 2022
Thursday, September 22, 2022
Thursday, September 22, 2022
猪繁殖与呼吸障碍综合征的主要症状?什么是高致病性猪蓝耳病?...
Thursday, September 22, 2022