Articles by author - Parra JL

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Prospective epidemiological study of bovine viral diarrhoea (BVD) virus infection in dairy cattle herds in tropical highlands in Colombia

Authors: Ramirez G, Vera VJ, Villamil LC, Romero JR, Parra JL
Publication: International Symposia on Veterinary Epidemiology and Economics proceedings, Volume ISVEE 9: Proceedings of the 9th Symposium, Breckenridge, Colorado, USA, Issue Food animal production & diseases session, pp 478, Aug 2000

Article O

Monitoring of serologic activity of Fasciola hepatica in dairy cattle herds in tropical highlands in Colombia

Authors: Ramirez G, Vera VJ, Villamil LC, Romero JR, Parra JL, Crosby R
Publication: International Symposia on Veterinary Epidemiology and Economics proceedings, Volume ISVEE 9: Proceedings of the 9th Symposium, Breckenridge, Colorado, USA, Issue Food animal production & diseases session, pp 474, Aug 2000