The basic diet of a dairy cow is a TMR (total mixed ration) this ration usually consists of soybean, silage, and hay (alfa alfa), this ration is mixed in a large machine and delivered to the manger for the cow to eat.
A cow. Or, if you want to go into specifics, a dairy cow.
Vegetarians, opposed to vegans, include dairy in ther diet because milk is not obtained through direct animals slaughter. Milk is a by-product from the cow, that did not make the cow suffer directly to be obtained.
Most of the Hindu diet is based upon dairy as the cow is considered as the substitute for one's own mother - so a Hindu diet is based upon dairy products: milk, butter, ghee, yoghurt etc.
It gives more milk than what it would normally produce for its calf. That's what constitutes a cow for being a dairy cow.
Dairy
The dairy cow.
That all depends on the breed. Are you asking about a dairy cow or a beef cow, and what breed of dairy or beef cow?
Dairy cattle like Holsteins, Brown Swiss and Jerseys.
Jerseys would eat what a typical dairy cow would eat, being a TMR ration or grazing grass out on pasture. See the related question below for a more detailed answer.
A dairy cow would die a matter of a few weeks before she even gets to the point where she is deemed "feral." I would see a beef cow becoming feral, yes, but not a dairy cow.
There's not really an answer... You just call it a cow...
cow