7 Interesting Facts About Cows

Their gestation period is between 279 and 287 days

Their gestation period is between 279 and 287 days (about 9 months and 10 days). 283 days is the most usual for most breeds. When a calf is born, it weighs approximately 45 pounds and can stand and walk within an hour or two. Cows may generally be bred for the first time at about 21 months of age and continue to deliver until they are about 7 or 8 years old.