Downer cow syndrome is attributed to many causes, and is particularly associated with nerve damage in the hips and legs due to calving problems, milk fever, ketosis, and BSE. Now I believe you are referring to Mad Cow disease (or BSE) when asking about postmortem lesions, as this is the case when a cow that contracted BSE has found to have lesions in the brain when a post mortem is done on her.
No. This is only a human trait.
For federally or state inspected meat, "downer" cattle (cattle that are unable to rise OR walk unassisted, legally called non-ambulatory disabled) are prohibited from slaughter for human consumption. However, a "downer" cow can be slaughtered under custom exempt rules, which means the meat must be delivered back to the owner who presented the cow for slaughter and the meat can only be used to feed the owner, his immediate family and his non-paying guests. This prohibition was enacted over concerns regarding BSE (bovine spongiform encephalopathy, the scientific term for mad cow disease). There are no regulations prohibiting the slaughter of "downer" animals of any other species.
She is not standing, eating or drinking because she is ill. Get a vet or put her down. You can put food and water in front of her and get her to drink that way. But definitely get a vet out to see why she's a downer cow and to see if there's a way to save her before putting her down.
Prion
Bovine spongiform encephalopathy (BSE, the scientific name for mad cow disease) is the name of a progressive neurologic disease caused by an infectious prion in cattle. When humans become infected by this prion, the syndrome observed in humans is called variant Creutzfeldt-Jacobs Disease (vCJD).
The term "mad cow disease" was a field name for the disease until laboratory testing gave it the more descriptive name of bovine spongiform encephalopathy (based on the signature lesions in the brain tissues). Media outlets preferred the term "mad cow disease" because it was more sensational and easier for the general public to understand.
mad cow disease is when cows get it. when the disease is passed on 2 humans, it's called the Creutzfeldt-Jakob Disease. so technically its the same thing, just in different species
Viruses have been used since the time of Edward Jenner in vaccines. Jenner used cow pox viruses to inoculate people against small pox infection. There was great fears about his methods. Some people thought that cows might grow out of their arms. He never used the small pox itself but 'scabs' from cow pox lesions.
Not without injuring her. However, it depends on the size of the bull and cow in question. If the bull is just a yearling on a mature cow, yes you may. If the bull is a big mature guy, it wouldn't be recommended that he goes anywhere near her, no matter if she's a mature cow or a young heifer, by any producer with a lick of common sense. If she is a young heifer, no to either mature bull nor the yearling. Brahman bulls are not small by any means, and he will injure that cow if he's allowed to mate with her; if he doesn't injure her during the process of conception, the injuries will show up when she's close to calving: i.e., you will get a downer cow with spinal or hip problems. It's best if you get semen from him and artificially inseminate the cow instead, or if you can find a Brahman bull with low birth weight EPDs that you can get semen from, use that bull on her instead.
SmallpoxVery serious and contagious disease coming from virusesCowpoxEruptive skin disease that's contracted from direct contact with an ulcer on the teat of a cow
Cow dung, cow patty, cow pie, cow feces, etc.
It is a cow.