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Revista LASALLISTA de Investigación

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Browsing Revista LASALLISTA de Investigación by Subject "Aborto en los animales"

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    Seroprevalence and risk factors associated to bhv-1 and dvbv in dairy herds in Pasto, Colombia
    (Corporación Universitaria Lasallista, 2011) Cedeño Quevedo, Darío Alejandro; Benavides Benavides, Bibiana; Cárdenas, Guillermo; Herrera, Carlos
    Introduction. The bovine herpes virus type I (BHV-1) causes the disease called Infectious Bovine Rhinotracheitis (IBR), infects cattle and presents clinical manifestations such as pustular vulvo-vaginitis, abortion, rhinotracheitis and meningoencephalitis. Objective. This research work aims to determine the prevalence of serum antibodies to bovine herpesvirus-1 (BHV-1) and bovine diarrhea (BVD) virus and risk factors associated to these infections in dairy herds in the municipality of Pasto, Colombia. Materials and methods. Farms above 2527 meters over the sea level were selected. A total of 238 serum samples were collected and analyzed using the ELISA test to determine the seropositivity against BHV-1 and BVD virus. A questionnaire, which included variables related to cattle, plus a health and a management measure were filled out in each herd. A multivariate analysis binary logistic regression was used with a confidence interval of 95% (p <0.05) using the program SPSS19 ®. Results. The estimated prevalence of exposure to BHV-1 in the municipality of Pasto was 17.65% and 32.77% for bovine viral diarrhea at the herd level. The binary logistic regression showed that the use of a bull instead of artificial insemination (OR = 30.56, CI 6.87, 135.98, P <0.0001) is a risk factor with BHV-1, and abortion (OR = 22.70, CI 4.21, 122.42, P <0.0001) and acquisition of new animals (OR = 34.90, CI 6.30, 193.43. P <0.0001) are risk factors with BVD. Conclusions. The prevalence of infectious rhinotracheitis and bovine viral diarrhea in dairy herds in Pasto does not indicate the existence of the disease in animals serologically positive, but suggests that at some point in their lives they were exposed to the virus. From the risk factors identified in this work, recommendations can be established for an effective control of reproductive diseases in the region.
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