Influence of enzootic bovine leukosis virus upon the incidence of subclinical mastitis in cows at a different stage of infection
(Nikolay Sandev, Mariana Koleva , Rumen Binev, and Darinka Ilieva
)
Utjecaj virusa enzootske leukoze goveda na pojavu supkliničkog mastitisa u krava u različitim stupnjevima infekcije
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