A cow is a female bovine that has already had a couple calves. Therefore, I believe you are asking about how long a cow is ready to breed after giving birth, which would be, on average, 45 to 60 days, depending on her condition and nutrition. Thinner cows tend to take longer to get back into cycling and may not be able to breed until 60 to 90 days after parturition.
If you are referring to the colloquial version of a cow and this "cow" is in fact a calf, you will have to wait until at least a year (preferably at least 15 months) until this calf, turned heifer, is ready to breed.
It could mean that a cow is ready to give birth.
A cow's gestation period is around 9 months, or approximately 283 days. A calf typically weighs between 60 to 100 pounds at birth, depending on the breed of the cow.
It takes two to five seconds for a bull to copulate with a cow.
Immediately
You don't. You can only breed a cow with a bull.
Breed her and see if she settles long enough to birth a calf.
It could mean that a cow is ready to give birth.
A Long horn cow is a cow with long horns, however Longhorns are a breed, typically referring to the Texas Longhorns.
A cow's gestation period is around 9 months, or approximately 283 days. A calf typically weighs between 60 to 100 pounds at birth, depending on the breed of the cow.
It takes two to five seconds for a bull to copulate with a cow.
Flehmen response.
It should only be a matter of a couple hours.
One day.
Normally, no. The only time a cow would have a temperature if she was fighting an infection or illness of some sort.
From nose to rump, between 5 and 8 feet in length, depending on the breed and size of the cow in question.
Immediately
You don't. You can only breed a cow with a bull.