The prevalence of bovine leukemia virus appears to increase from drying to pre-calving and cows with higher lactation numbers are more prevalent.
Experimental spray-drying inactivated infectious bovine leukemia virus in colostrum and can reduce the risk for bovine leukemia virus transmission…
Bovine leukosis (BL) is a lifelong disease of dairy cattle caused by the bovine leukosis virus. Although most infections appear to be subclinical, a proportion of cows over 3 years old (30 – 50%) develop persistent lymphocytosis, and a smaller percentage (5%) develop malignant tumors (lymphosarcomas) in various internal organs.
