Journal
TROPICAL ANIMAL HEALTH AND PRODUCTION
Volume 53, Issue 2, Pages -Publisher
SPRINGER
DOI: 10.1007/s11250-021-02746-8
Keywords
Bovine viral diarrhea virus; Peste des petits ruminants virus; Alpacas; Seroprevalence; Shanxi Province
Funding
- Shanxi Province Key RD Plan [201703D211001]
- Program for the Science and Technology Innovation of Shanxi Agricultural University [2017YJ10]
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This study investigated the seroprevalence of BVDV and PPRV antibodies in alpacas raised in Shanxi Province of northern China. The overall seroprevalence of BVDV was 3.25%, with positive cases found only in Taiyuan City. The overall seroprevalence of PPRV was 28.86%, with significant regional variations observed among different cities.
Bovine viral diarrhea virus (BVDV) and peste des petits ruminants virus (PPRV) are two important pathogens associated with a variety of disease syndromes that result in substantial financial losses in animal husbandry. This study was performed to assess the seroprevalence of antibodies to BVDV and PPRV among alpacas raised in Shanxi Province of northern China. Serum samples were obtained from 246 alpacas in Taiyuan (n=182), Xinzhou (n=31), and Jinzhong cities (n=33) of Shanxi Province, and serological testing was carried out using the competitive enzyme-linked immunosorbent assay. Overall seroprevalence to BVDV was 3.25% (95% CI 1.03-5.47), and seropositive alpacas were found only in Taiyuan City. The overall PPRV seroprevalence in alpacas was 28.86% (95% CI 23.20-34.52). While no PPRV-seropositive alpacas were found in Xinzhou City, the seroprevalence of PPRV was 90.91% (95% CI 81.10-100.72) in Jinzhong City and 22.53% (95% CI 16.46-28.60) in Taiyuan City, respectively, which showed a statistically significant difference. To our knowledge, the present work is the first report on seroprevalence of BVDV and PPRV in alpacas in China, which provides baseline information for the control of infection.
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