What is the growth of a cow?

Calf: newborn offspring that depends on milk and mother for growth. Heifer: female bovine that has not had a calf. First time heifer: a female that has given birth to her first offspring. Cow: female that has given birth second calf, she will remain a cow until the end of the life cycle. Yearling: can either be a female or a male that has reached a year old. Bull: sexually mature (at about 12 months of age) intact male bovine, he will remain a bull until either castration when he will be called a steer or until the end of his life cycle.