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

Question: can the female twin of a male reproduce
Self-contained rewrite: can a female twin of a bull reproduce