The most obvious reason would be that he thinks she's coming into heat and is pestering her to see if he can try to breed her.
The question that arises, though, is that is she really pregnant? She could have aborted her calf and has come into heat again, because it would be too early for her to be giving signs of giving birth (like an increase in estrogen in her blood hormones), unless she's birthing a calf that's going to be a premie? It's difficult to tell from just a single question.
Copulation or conception. This occurs when the bull ejaculates sperm into the cow, which encourages a series of events that allows a cow to become pregnant and give birth to a calf over 9 months later.
Cows can get pregnant through the process of mating with a bull, where the bull inseminates the cow. This can happen naturally through natural mating or artificially through artificial insemination by a qualified professional.
Yes. That's the only way you will get a calf. Breeding a cow to another male animal (except a bull bison or carabao) will not get her pregnant.
A heavily pregnant cow, or a long-bred cow. Or, a cow that is expecting soon.
Only if the cow that they're mounting is in heat.
A young cow is called a heifer, and a young bull is called a young bull or a yearling bull if it is between the ages of 10 to 18 months of age.
You can't, unless you make the bull a steer.
you must buy the fertilizer and then use the cow with the bull you want but you must put the cow and the bull only in the barn or only them outside. It is more effective in the barn.
Sometimes, if her pheromones are producing more estrogen than usual. But most pregnant cows won't have anything to do with a bull.
Cows never get pregnett the get pregnant. They are pregnant for 9 months
No, not usually. On rare occasions, a cow may experience false heats during pregnancy where she can be ridden by a bull, but otherwise, a cow that is pregnant stays pregnant and doesn't go into heat until a couple weeks after she's given birth.
Elephants have one of the longest gestation period among mammals. They are pregnant for a period of around 22 months. After the 22 month gestation, they giver birth to a calf that is approximately 250 pounds heavy and stands at around 2.5 feet tall