What is an immature or young female cow called?

The daughter of such-and-such cow.

A young male bull is called a bull calf but once they get casterated ( there balls cut out) they then are called steers. A young female cow is called a heifer.

For cattle, a heifer calf. For dolphins, a female calf.

A young female swine is called a gilt.

A young cat is called a kit. :3