Yes, although most veterinarians limit themselves to domestic mammals and generally to either small or large animals.
Not normally. A vet would treat any age of animal.
A big animal vet is called a large animal vet, a rural vet or a farm vet
If you don't have money for the vet, then any animal you have that needs to see a vet will not get the proper treatment, and you just have to wait and see if your animal survives or not or makes it through whatever it needs to see the vet for.
you usually have to be an intern at a vet office or an animal shelter.
Animal training scholarship
no
Yes, chickens need vet care when they get sick, just like any other animal.
ANY time an animal has an overdose you should IMMEDIATELY call your vet. If you do not have one, just call a local vet.
Foaming at the mouth is not normal in any animal ! Get it to a vet - NOW !
A bovine veterinarian, or even a large-animal veterinarian.
you shouldn't give any human medications to any animal. Call your vet.
Notwithstanding the risks the vet decided to operate.