Endemic Persistence of Bovine Leukemia Virus in aHigh‐Producing Brazilian Dairy Herd: Seroprevalence Across Production Strata, Vertical Transmission, and Mortality Risk
Bovine leukemia virus (BLV) is globally distributed and remains difficult to control. The infection is associated with substantial economic losses resulting from reduced productivity and early culling. Seroepidemiological studies conducted in Brazil have demonstrated that BLV prevalence rates range from 18.30% to 46.76...