Bovine paratuberculosis in Puerto Rican dairy herds and its aáociation with selected performance parameters - Pantoja, J.=700 1 Vallejo, B.; Acosta, J.
Ilus., 15 ref.
Keywords: GANADO DE LECHE; TUBERCULOSIS; TECNICAS ANALITICAS; ELISA; MORBOSIDAD; PRODUCCION LECHERA; PUERTO RICO