There is no such thing as a "feedav" calf. However, a feeder calf, gets its hair a month or so before it's born and before it is declared a feeder calf. Calves are born with hair and retain their hair coats throughout their lifetime.
In most cases the calf is not killed just for its hair or hide, but also for its meat being veal.
Calves with some sort of infection, like Joint Ill or Navel Ill, will loose their hair. It is imperative that you give the calf necessary antibiotics to help him fight off the infection.
As soon as the tips start to protrude through the hair of the head.
Calves don't have fur, they have hair. And the hair is developed during the first part of the last trimester when it is still in it's mother's womb.
Better get the veterinarian to check on this. [S]He'll have a better reason for why than what most will know on here.
Calf. The same terms that apply to cattle generally apply to bison.
It could be due to a couple of reasons: severe mange infection, or a bodily infection that needs to be addressed. Since the question does not provide further information, it is hard to say exactly why unless you take the calf to a vet to get a full diagnosis of the calf's condition.
A calf a full grown calf is a cow!
A stray calf is commonly referred to as a "lost calf" or a "wandered calf."
Calf's. The calf's tail was swatting at the fly.
A baby buffalo is called a calf.
The offspring of a cow is referred to as a calf. A heifer calf is a female calf, a bull calf is an intact male calf, and a steer calf is a castrated male calf (castrated after birth).