橡胶手套、吸液球等橡胶制品受污染后可用0、5%-1、0%肥皂液煮沸15-30分钟,然后清水洗涤沥干后,121℃,15分钟...
Wednesday, September 21, 2022
Tuesday, September 20, 2022
Saturday, February 25, 2023
10ml(10倍)浓缩洗涤液,应该加入(90)ml的蒸馏水或去离子水来稀释。...
Friday, September 16, 2022
高致病性禽流感、鸡新城疫血凝和血凝抑制试验采用()%的红细胞。...
Wednesday, September 21, 2022
Thursday, September 22, 2022
单选题仪器使用过程中必须()A 对仪器有一定了解B 严格按操作规程操作C 根据经验进行操作D 模仿其他人的操作...
Monday, July 31, 2023
单选题大鸡葡萄球菌病多发于()饲养阶段的鸡。A 10日龄以内B 10-20日龄C 30-60日龄D 产蛋鸡群...
Sunday, May 5, 2024
多选题猪丹毒的流行形式常表现为()A流行性B散发性C地方流行性D大流行性...
Friday, May 19, 2023
Tuesday, March 7, 2023
Friday, September 16, 2022
Monday, April 24, 2023
Friday, September 16, 2022
Saturday, September 17, 2022
Thursday, September 22, 2022
Thursday, September 22, 2022
某鸡场鸡群发生一种急性传染病,以结膜炎、呼吸困难、喀出带血的粘液等为主要的临床特征,在诊断上应首先怀疑该病为()....
Thursday, September 22, 2022
问答题什么叫ELISA,ELISA有哪三种基本反应类型?...
Thursday, February 15, 2024
举例说明弱毒疫苗与灭活疫苗的区别(弱毒疫苗:猪瘟灭活疫苗:口蹄疫)...
Wednesday, September 21, 2022
Friday, September 16, 2022