Around age 4, but age may vary
At least 2 to 4 years of age.
Typically a bull animal is a male animal although the "bull" in Bull Sharks refer to both male and female Bull Sharks.
A bull. Or, if you want to be more specific, a mature bull. Otherwise, just "a bull" works just fine.
Tilapia become mature at the age of 13.
A mature student is typically considered to be someone who is at least 25 years old and returning to education after a period of time away from formal education. However, the definition of a mature student can vary depending on the institution or country.
Mature Bull ~ 1,147 kgs Mature Cow ~ 857 kgs
The feminine form of a bull is a cow. Bulls are mature intact males used for breeding cows and heifers, and cows are mature female bovines that have had at least two calves.
Since a bull is referring to an adult or mature intact male, then, since the opposite of a male is female, the opposite of a bull would be a cow, which is an adult or mature female bovine that has had at least one or two calves.
Cow. A bull is (usually) a mature male bovine, and a cow is a mature female bovine.
Bull 2000lb Cow 1200lb
Bull calves, steer calves, cows and heifers.