Serologic study of the incidence and prevalence of bluetongue infections in cattle in the Mexican states of Nuevo Leon,Tamaulipas, Coahuila and San Luis Potosi |
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| Authors: | RF Teclaw S McConnell GG Wagner S Romo Z Garcia |
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| Institution: | 1. Department of Veterinary Microbiology and Parasitology, Texas A&M University, College Station, TX 77843, U.S.A.;2. Facultad de Medicina Veterinaria, Universidad Autonoma de Nuevo Leon, Monterrey, Mexico;3. Centro Nacional de Parasitologia Animal, Jiutepec, Morelos, Mexico |
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| Abstract: | Serum samples from 2156 cattle in 40 herds in northeastern Mexico were tested for antibody activity to bluetongue virus. In addition, animals from 5 other herds were sampled each month to determine when new infections were occuring. Prevalence rates ranged from 7 to 100%, with a herd average of 42%. New infections occurred on each of the five ranches sampled monthly. Attack rates for the study period were 9, 63, 22, 18 and 57%. |
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