(euphemistic) Bullshit.

Alternative spelling of bovine leukosis

Alternative spelling of bovine leukaemia

(Britain) bovine leukosis

An infection of cattle caused by the bovine papillomavirus.

leukaemia in cattle

Alternative spelling of enzootic bovine leukosis

(chiefly Britain) Alternative spelling of bovine viral diarrhea

(medicine, neurology) A fatal, neurodegenerative disease of cattle, which is transmissible to humans through misshaped prion proteins, caused by eating infected tissues.

bovine leukosis