Life of a cow - Timeline

The cow is born. The average Holstein calf weighs from 90 to 100 pounds at birth.

The cow is 6 months old. Holstein heifers weigh about 400 pounds at this age.

The cow is a year old. She weighs about 700 pounds and still has quite a bit of growing to do before she enters the milking herd.

The cow is now 2 years old. She weighs about 1,200 pounds. She is now producing milk and will keep on growing for the next few years.

The cow is now 5 years old. This adult dairy cow weighs over 1,500 pounds. She can eat over 100 pounds of feed a day and can produce over 12 gallons of milk a day.