I assume that you are talking about pet rabbits. Neutering male rabbits is preferable because it will prevent them from spraying around your house. They spray to mark their territory just like a cat will. Spaying a female rabbit is preferable because it prevents her from going into heat and exhibiting all sorts of strange behavior from chin rubbing to aggression.
NO!
If they are, they'll breed, they you get more rabbits. THen they'll breed. Not a good situation.
Spay is the sterilization of female animals. (Removal of uterus) Neuter is the sterilization of male animals. (Removal of testicles)
Yes.
6 months
Yes, rabbits do like breeding, it's in their nature; but just because they like it doesn't mean it's good for them. There are many good reasons to spay/neuter your rabbits. See the related link below for details.
Only with most of their dogs and cats. They don't spay any of their female livestock, but will neuter or castrate the male livestock that are undesirable for breeding.
If when you use the word "Fix" you mean spay or neuter, then the answer is yes. Your Veterinarian can spay or neuter a Chinchilla. Call your Vet to make an appointment to do this.
You spay a female dog and cat, you neuter a male dog and cat.
Yes.
Yes, if you're not a breeder.
It is called Spay or Neuter