Herd-level risk factors for bovine viral diarrhea virus infection in dairy herds from Southern Brazil

被引：40
|
作者：
Almeida, L. L. [1 ]
Miranda, I. C. S. [2 ]
Hein, H. E. [2 ]
Santiago Neto, W. [2 ]
Costa, E. F. [2 ]
Marks, F. S. [1 ,2 ]
Rodenbusch, C. R. [1 ]
Canal, C. W. [1 ]
Corbellini, L. G. [2 ]
机构：
[1] Univ Fed Rio Grande do Sul, Lab Virol, Fac Vet, BR-91540000 Porto Alegre, RS, Brazil
[2] Univ Fed Rio Grande do Sul, Lab Epidemiol Vet EPILAB, Fac Vet, BR-91540000 Porto Alegre, RS, Brazil
来源：
RESEARCH IN VETERINARY SCIENCE | 2013年 / 95卷 / 03期
关键词：
BVDV; Epidemiology; Risk factor; Prevalence; Bulk tank milk; Biosecurity; BULK-TANK MILK; GRANDE-DO-SUL; NON-VACCINATED DAIRY; CATTLE HERDS; BVDV INFECTIONS; BEEF-CATTLE; PREVALENCE; ANTIBODIES; SEROPREVALENCE; REGION;
D O I：
10.1016/j.rvsc.2013.08.009
中图分类号：
S85 [动物医学（兽医学）];
学科分类号：
0906 ;
摘要：
A cross-sectional study was carried out to identify risk factors for bovine viral diarrhea virus (BVDV) infection in 300 randomly selected dairy herds which were tested for antibodies in bulk tank milk (BTM) using a commercial indirect ELISA kit (SVANOVA). Results from the analysis were interpreted according to the Swedish BVDV control scheme. The testing revealed 129 (43%) BTM BVDV antibody-positive herds. Use of artificial insemination (AI) and herd size were significantly associated with BVDV serological status (P < 0.05). Dairy herds that use AI had 2.82 increased odds of BVDV-seropositivity (95% CI: 1.02-7.24). Since the semen used in the studied population come from known selected sires, it was hypothesized that AI technicians should represent an important risk factor because the increasing number of visitors in the farm can introduce the virus through the clothes, shoes and contaminated equipment. (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码：901 / 907
页数：7
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