Thursday, September 22, 2022
问题:高致病性猪蓝耳病临床诊断时,为何容易与猪瘟、附红细胞体病、巴氏杆菌病、猪链球菌病、猪传染性胸膜肺炎、沙门氏菌病等混淆?...
Thursday, September 22, 2022
Tuesday, January 28, 2025
问题:一种疾病所具有,其他疾病所不具备的症状称为()。...
Friday, September 16, 2022
Thursday, September 22, 2022
问题:问答题根据实验室的安全要求把实验室可分为哪几个区?PCR检测室按功能主要分哪几个区?...
Sunday, September 8, 2024
问题:猪丹毒是由猪丹毒杆菌引起的一种急性、热性传染病。按病程分可分为()...
Thursday, September 22, 2022
Thursday, September 15, 2022
Thursday, September 22, 2022
问题:某种疫苗批号为081105-1,失效期为091105,各是什么含意?这种疫苗的有效期有多长?...
Thursday, September 22, 2022
Friday, September 23, 2022
问题:判断题牛羊O-P液(咽食道分泌物)采集时应注意每采完一头动物探杯要重复进行消毒并充分清洗,并且放入动物体内的探杯要与动物的体温一致。A 对B 错...
Wednesday, March 15, 2023
Wednesday, September 14, 2022
问题:()是关节突然受到间接外力作用,使关节超越了生理活动范围,过度伸展、屈曲、扭转发生的损伤。...
Thursday, September 22, 2022
Thursday, September 22, 2022
问题:单选题死亡率是指某病死亡数占某种动物()的百分比。A 平均数B 发生数C 新发病数D 总头数...
Saturday, July 15, 2023
Thursday, September 22, 2022
问题:单选题用于寄生虫检验的粪便量样品较多,需采取5-19克新鲜粪便,大家畜一般不少于()克,并应从粪便的内外各层采取。A 60B 40C 80D 100...
Thursday, December 5, 2024
Sunday, September 18, 2022