Monday, September 12, 2022
马传染性贫血(简称马传贫)的临床特征为:急性型高热稽留;亚急性型...
Sunday, September 11, 2022
Monday, September 12, 2022
Thursday, March 21, 2024
Sunday, January 7, 2024
关于高致病性禽流感病禽及废弃物深埋无害化处理过程,说法错误的是(...
Sunday, September 11, 2022
Saturday, October 22, 2022
Sunday, September 11, 2022
猪瘟是由猪瘟病毒引起的传染病,有季节性,发病率高达95%-100%,病死率也同样高,是最严重的猪病之一。...
Sunday, August 6, 2023
Saturday, September 10, 2022
Sunday, September 11, 2022
下列病毒中,无囊膜的是()。A、鸡马立克氏病病毒B、鸡新城疫病毒C、口蹄疫病毒D、禽流感病毒...
Friday, October 6, 2023
Sunday, September 11, 2022
皮肤出现血斑应怀疑为()。A、猪水肿B、猪丹毒C、猪瘟...
Tuesday, May 28, 2024
Sunday, September 11, 2022
鸡传染性鼻炎由()引起。A、大肠杆菌B、支原体C、副嗜血杆菌D、巴氏杆菌...
Friday, February 9, 2024
PCR实验室应当严格分区,一般分成试剂配制区、核酸(样品)提取区、()、PCR扩增结果检测(电泳)区等4个区。A、PCR扩增区B、核酸纯化区C、凝胶成像分析区D、加样区...
Saturday, October 7, 2023
Thursday, March 21, 2024
抗体初次应答具有的特点是()。A、潜伏期短B、抗体含量低C、维持时间久D、亲和力强...
Tuesday, May 28, 2024
能出现溃疡性或花椰菜样疣状赘生性心内膜炎的疾病是指()A、猪瘟B、猪丹毒C、猪肺疫D、仔猪副伤寒...
Tuesday, May 28, 2024