Seroprevalence of bluetongue virus in dairy herds with reproductive problems in Sudan
- PMID: 25002977
- PMCID: PMC4060552
- DOI: 10.1155/2014/595724
Seroprevalence of bluetongue virus in dairy herds with reproductive problems in Sudan
Abstract
The objectives of this cross-sectional study were to determine the seroprevalence of blue tongue virus (BTV) and assess potential risk factors associated with BTV infection in dairy cattle with reproductive problems in Sudan. Serum samples were collected from a total of 784 animals from 37 herds and tested for antibodies against BTV using cELISA. A total of 663 out of 784 (84.57%) sera tested proved positive for BTV antibodies in all farms tested in Khartoum and Gazira States. The prevalence of antibodies was high in both areas being 94.32% in Gazira State and 76.62% in Khartoum State. BTV antibodies prevalence were significantly higher (P < 0.000) in older animals than in younger ones. These rates were also significantly higher in the rainy season (P < 0.000) and in Gazira State compared to Khartoum State. Sex also showed significant (P < 0.000) differences in the seroprevalence, whereby females (74.7%) had higher level than males (9.8%). However, no significant (P > 0.09) variations for BTV seroprevalence were observed between breeds. The BTV antibodies prevalence in infertility cases (86.6%) was not significantly different from that found in abortion (74.3%) or neonatal death (66.7%) cases. The high seroprevalence of BTV recorded herein calls for control strategy to be implemented.
References
-
- Forar AL, Gay JM, Hancock DD. The frequency of endemic fetal loss in dairy cattle: a review. Theriogenology. 1995;43(6):989–1000. - PubMed
-
- Nazif S, Haghkhah M, Asadi Z, et al. Evaluation of sialic acid and acute phase proteins (haptoglobin and serum amyloid A) in clinical and subclinical bovine mastitis. Pakistan Veterinary Journal. 2011;31(1):55–59.
-
- Kirkbride CA. Viral agents and associated lesions detected in a 10-year study of bovine abortions and stillbirths. Journal of Veterinary Diagnostic Investigation. 1992;4(4):374–379. - PubMed
-
- Kelling CL. Viral diseases of fetus. In: Youngquist RS, Threfall WR, editors. Current Therapy in Large Animal Theriogenology. 2nd edition. chapter 50. St. Louis, Mo, USA: Saunders-Elsevier; 2007. pp. 399–408.
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