Horses like nearly all mammals suckle their young.
As they are mammals their young suckle from the mothers breasts.
yes they suckle their young on their own milk
All mammals suckle their young. That is one of the defining characteristics that makes them mammals. Even egg-laying mammals (monotremes which include the platypus and echidna) suckle their young.
Pandas suckle their young until they are old enough to eat bamboo shoots.
Leopards feed their cubs by allowing them to suckle for at least three months. The leopard will also feed the cubs meat when they turn six or seven weeks old.
Suckling young is strictly a mammal thing. In fact, it is the defining characteristic of the word "mammal". So no, fish do not suckle their young. However aquatic mammals such as porpoises and whales do.
Being mammals, spider monkeys will suckle their babies with milk produced by the mothers.
It is the horse's food.
Yes, they do.
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Yes you can