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@brian_daly @NTBreakfast The natural span of a cow is about 20yrs, dairy cows used to milked until they were about 15yrs but these days most dairy cows are culled at around 5yrs. https://t.co/IDhGi3yv2C
@brian_daly @NTBreakfast The natural span of a cow is about 20yrs, dairy cows used to milked until they were about 15yrs but these days most dairy cows are culled at around 5yrs. https://t.co/IDhGi3yv2C