Complex of respiratory diseases in cattle from the aspect of parainfluenca-3 [i.e. parainfluenza-3] virus
2009
Lazic, S., Scientific Veterinary Institute Novi Sad, Novi Sad (Serbia) | Petrovic, T., Scientific Veterinary Institute Novi Sad, Novi Sad (Serbia) | Bugarski, D., Scientific Veterinary Institute Novi Sad, Novi Sad (Serbia) | Kendrisic, N., Veterinary Clinic Kendrisic, Sid (Serbia)
The goal of this paper is to present BRDC (Bovine Respiratory Disease Complex) outbreak, accompanied with PI-3 infection, in one bull calves fattening unit of industrial type. The paper presents clinical signs, procedure for PI-3 virus isolation and bacteria detection in diseased beef cattle. In the paper is also presented the immune response in 30 beef cattle on PI-3 virus. The immune response was determined through detection of specific antibodies to PI-3 at the time of occurrence of the disease and also at 3 and 6 weeks after diseases outbreak as well as at the end of fattening, i.e. 4 months after PI-3 infection. The geometric mean value of antibody titre against this virus was at the moment of disease occurrence 14.58, while in 3 and 6 weeks after outbreak it was 45.25 and 54,44 and the the end of fattening it was 22.11. The results present here show that PI-3 can be causative agent of respiratory syndrome in beef cattle and that this virus deserves more attention. The obtained specific antibodies provide evidence that heifers were immunology reactive, while specific antibodies against PI-3 can persist until the end of fattening.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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