A castrated bison is commonly referred to as a "bullock" or "steer." Similar to other livestock, this term indicates that the animal has been castrated for purposes such as easier handling or meat production. The specific terminology may vary by region or context.
Bison generally are not castrated..
A male bison or buffalo is called a bullBull
pigs that are castrated. :DD
A castrated boar is called a barrow.
A castrated male pig is called a barrow.
Wisent or European bison.
Do you mean castrated? A person who is castrated is known as a eunuch.
Castrated* llama is called a Gelding, same thing for a castrated horse.
European Bison, European Buffalo, Buffalo, Bison, Wisent, and European Ox.
A Sison
wisent
A ram or wether (if it has been castrated).