In the action, it is called foaling. Afterwards, foaled.
There is no special term for a horse birth, although it can be called "foaling."
Foaling
A horse gives birth from an area under it's tail.
A mare (female horse) is called a 'dam' after it gives birth to a foal.
When a dog gives birth, it is called whelping.
A horse is a mammal as it gives birth to live young and suckles them.
You would get a farting horse. Weird right?
um.... birth
a mare gives birth to the foal eleven months after conception
The horse has given birth to a baby horse called a foal.
Th epregnancy is called Gestation and the actual birth is called, well, birth.
It is the male sea-horse who gives birth. When giving birth he rocks back and forth quickly and kind of looks like he's dancing.