There is no such thing as "cow disease" unless you are referring to MAD cow disease, which is something else entirely.
It's not sad cow disease, it's MAD cow disease. Its a brain disease that can cause irrational behavior in cows.
A heavily pregnant cow, or a long-bred cow. Or, a cow that is expecting soon.
A pregnant cow who gives birth is a mother.
We are aware of mad cow disease
No, the cow will not go into estrus after she becomes pregnant.
Talk to your cow. If she is pregnant your character will mention how see and her baby is doing. If your character does not mention a baby then your cow is not pregnant.
Bred cow.
Typically a cow with Johne's Disease (which is a disease where a cow has chronic diarrhea) is considered safe to be slaughtered for food.
human sperm cannot get a cow pregnant. The only species humans can get pregnant with their sperm is another human.
She had Bright's disease and Mad Cow disease.
An open or barren cow.