Study on prevalence of bovine viral diarrhoea virus (BVDV) antibodies in 29 Italian dairy herds with reproductive problems

被引：13
|
作者：
Luzzago, C [1 ]
Piccinini, R [1 ]
Zepponi, A [1 ]
Zecconi, A [1 ]
机构：
[1] Univ Milan, Ist Malattie Infett Vet, I-20133 Milan, Italy
来源：
VETERINARY MICROBIOLOGY | 1999年 / 64卷 / 2-3期
关键词：
bovine viral diarrhoea virus; Italy; epidemiology; prevalence;
D O I：
10.1016/S0378-1135(98)00274-0
中图分类号：
Q93 [微生物学];
学科分类号：
071005 ; 100705 ;
摘要：
An epidemiological survey on prevalence distribution of antibodies to BVDV was carried out in dairy cattle herds during 1995-1996 in northern Italy. A total of 704 serum samples from 29 nonvaccinated herds reported to have reproductive problems were tested for serum neutralising antibodies. In each herd, sampling was based on the stratification by age into five classes (<6 months old calves, 6-12 months old calves, pregnant heifers, uniparous, pluriparous). Overall, 53.3% of samples were serologically positive, with the lowest ratio in 6-12 months old calves (37.9%) and the highest in pluriparous cows (71.2%). (C) 1999 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：247 / 252
页数：6
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