Conversation so far:
What is the difference between cattle and cows
The plural noun, cattle, encompasses both sexes. The singular, cow, technically means the female, the male being bull.
what are castrated male cattle called
A castrated male is called a steer in the United States
what are steer kept for riding purposes called
A castrated male kept for draft or riding purposes is called an ox
can a female twin of a bull reproduce
In all cattle species, a female twin of a bull usually becomes an infertile partial intersex

Question: what is the female called
Self-contained rewrite: what is the female twin of a bull called