期刊论文

中文

湖南农业大学学报(自然科学版)

1007-1032

1997

23

4

378-381

10.13331/j.cnki.jhau.1997.04.017

湖南农业大学青年科学基金

本校为其他机构

对某中型集约化种猪场４年续发猪伪狂犬病疫情进行了追踪调查．疫病流行于带仔母猪舍，主要是７～１２日龄仔猪发病．１９９４年暴发流行时，窝发病率为４３．７％，发病窝仔猪发病率为８６．７％，病死率为９３％．疫情平息后，对全场经产母猪接种过伪狂犬病疫苗．１９９５～１９９７年在带仔母猪舍又续发流行，窝发病率分别为３２％，３４％和２９％，其发病窝仔猪发病率和病死率较首发时低．

Epidemic situation of pseudorabies during contineus four years was investigated in a breeding pig farm.The disease was prevalent in the nursing sows houses and occured mainly in 7 to 12 days old piglet.When the disease brock out firstly in 1994,the rate of diseased litter was 43.7%,the morbidity of piglet in diseased litter was 86.7%,the mortality of diseased piglet was 93%.After suppression of this outbreak,all of brood sows were vaccinated.During 1995 to 1997 the disease once yearly occured in the same houses.The rate of diseased litter wer...