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Revista de Investigaciones Veterinarias del Perú
Article . 2011 . Peer-reviewed
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Revista de Investigaciones Veterinarias del Perú
Article
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ANTIBODIES AGAINST BOVINE VIRAL DIARRHEA VIRUS AND ITS ASSOCIATION WITH REPRODUCTIVE PROBLEMS IN EWES OF THE CENTRAL SIERRA OF PERU

Authors: Flores B., Daniel; Rivera G., Hermelinda; Gavidia Ch., César; Manchego S., Alberto;

ANTIBODIES AGAINST BOVINE VIRAL DIARRHEA VIRUS AND ITS ASSOCIATION WITH REPRODUCTIVE PROBLEMS IN EWES OF THE CENTRAL SIERRA OF PERU

Abstract

El objetivo del presente estudio Caso-Control fue determinar la asociación del virus de la diarrea viral bovina (vDVB) y los problemas reproductivos en borregas adultas de una empresa ovejera de la Sierra Central del Perú. Se seleccionaron 440 borregas de dos localidades de la empresa y se estratificaron en un grupo Caso (n = 220) constituido por borregas que abortaron, borregas que resultaron vacías por primera vez (vacía simple) y borregas que resultaron vacías en dos campañas consecutivas (vacía doble), y en grupo Control (n = 220) constituido por borregas que no presentaron problemas reproductivos. Se colectó muestras de sangre para la detección de anticuerpos contra el vDVB mediante la prueba de neutralización viral. El 69.5 ± 4.4% (306/440) de las borregas presentaron anticuerpos contra el vDVB, correspondiendo 73.6% (162/220) a borregas del grupo Caso y 65.5% (144/220) al grupo Control. No hubo asociación estadística entre las variables presencia de anticuerpos contra el vDVB y la presencia de problemas reproductivos. Los títulos de anticuerpos contra el vDVB en ambos grupos tuvo un rango de 2 a >256. Los resultados indican que el vDVB está difundido en la población de borregas de la empresa ovejera pero su rol en la presentación de los problemas reproductivos no pudo ser determinado.

The aim of the Case-Control study was to determine the association between bovine viral diarrhea virus (BVDV) and reproductive failure in ewes from a commercial farm in the Central Sierra of Peru. Four hundred and forty ewes from two farm locations were randomly selected into two groups: the Case group (n=220) included barren and aborting ewes, and the Control group formed by ewes without reproductive failures. Blood samples were collected from both groups for testing antibodies against BVDV by the neutralization test. The 69.5 ± 4.4% (306/440) of ewes of both groups had antibodies against BVDV, while 73.6% (162/220) of seropositive ewes were from the Case group and 65.5% (144/ 220) were from the Control group. None statistical association between seropositive ewes and reproductive failures was found. Antibody titers against BVDV in both groups ranged from 2 to >256. The results indicate that BVDV is widely distributed in the sheep population but its role in the reproductive failures could not be determined.

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Keywords

pestivirus, bovine viral diarrhea virus, diarrea viral bovina, antibody, anticuerpos, Borregas, reproductive failure, aborto, ewe

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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