What does OCV mean in cattle?

What does OCV mean in cattle? Official Calfhood Brucellosis Vaccination Cattle and domestic bison may be officially calfhood vaccinated at 4 months up to 12 months of age. Official calfhood vaccinates receive an official identification ear tag (usually orange, see below for details). What causes brucellosis in cows? The most common way to be infected […]

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