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Revista de Medicina Veterinaria
Print version ISSN 0122-9354On-line version ISSN 2389-8526
Abstract
BETANCUR HURTADO, César; ORREGO URIBE, Alberto and GONZALEZ TOUS, Marco. Seroepidemiological study of parainfluenza 3 virus in bovines with reproductive failure, from Monteria-Colombia. Rev. Med. Vet. [online]. 2010, n.20, pp.63-70. ISSN 0122-9354.
The virus of the bovine Parainfluenza 3 is known to be a part of the bovine respiratory complex, along with another infectious agents as the bovine sincitial respiratory virus, which has not as yet been diagnosed at the geographical area of this study. This work was carried out at Monteria, Colombia, in bovines from 28 farms, with the aim of finding the serological prevalence of the PI-3 virus. Blood samples were collected from 137 females, with a history of reproductive failure, and from 26 bulls from the same farms. The serological test used was the ELISA test. A descriptive analysis was carried out, recording data from positives and from negatives sera. A Chi-square test was used to test for association between the variables: sex, age, reproductive condition and type of production system, with serological reactivity to the PI-3 virus. Concerning the results of the study, the point prevalence for the PI-3 virus found was 13,5%, and under statistical bases, statistical significance was found between age groups and association was not found for the others variables taken in account for the study. According to the results, it was concluded that the PI-3 virus is present in bovines of Montería, and that a part of the reproductive failure in females of the region, mostly the return to oestrus and abortions, is due to the effect of that pathological entity. Finally, the authors recommend more extensive studies on PI-3 Infection, at the different cattle raising areas of Colombia, a country of 24 million heads.
Keywords : bovine reproduction; return to oestrus; abortion in bovines; PI-3 seroepidemiology.