Milk, just like any other mammal.
Yes, some lactating mothers will feed abandoned calves.
I helped grandma feed the calves.
Usually just one, sometimes two.
I feel quite sure the female will have something of an Utter, to nurse young calves, and the male has a tool to aide in reproducing calves. Do females have same sets of horn? John
it feed it with food
'Caller Of The Town' by 'Feed The Rhino' comes from their first album 'Mr Red Eye'.
Stockers.
Yes
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Not really, no. Calves should be eating plant-type feed, not insects or insect larvae.
Rhino calves in Africa can be killed by lions, hyenas, leopards, and African wild dogs. In Asia, predators include leopards and tigers. However, mother rhinos usually protect their calves effectively.
The reason cattle produce milk in the first place is to feed calves, not to feed people. Frisian cows in the wild--if such they be--"get rid of" their milk by letting calves suckle it.