Quantifying the enzootic leukosis virus threat: how prevalent is the natural infection in Crioulo Lageano cattle in southern Brazil? 由 G. V. Fonteque, M. S. Casa, G. S. N. Ribeiro, Z. Silva, C. I. G. Vogel, J. H. Fonteque, U. M. Costa, M. E. Saito, G. Giovambattista, S-N. Takeshima, L. C. Miletti

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