The reason is so they won't mate. You don't want to suddenly find baby rabbits. You will have to buy extra food, give them shots(extremely expensive), provide extra bedding, more food, etc.
However, if you do neuter/spay, the rabbit will be capable to live a longer life and will appreciate you more!
Female rabbits can be spayed when they are about 6 to 7 months old.
That depends on the gender of the rabbit. Even if they are spayed or neutered, male rabbits kept together will most likely fight. But if you keep female rabbits together, while spayed or not, then they will most likely become friends.
It should interact with humans to collect more TRUST from them. Also 2 female spayed rabbits or 2 nuetered male rabbits can be put together for company. Rabbits are social animals and need a buddy.
The animals which need to be spayed and neutered are cats, rabbits and dogs. Generally the pets which one doesn't want to have a litter of pups or kittens or buns. Also, it is useful for aggressive pets who want to mate but don't have a companion.
Spayed rabbits can occasionally have the symptoms of a false pregnancy and begin nesting behaviors. As long as this is not prolonged or too intense it is nothing to worry about. Try to distract your rabbit with toys, give her other things to play with and do.
Spaying/neutering rabbits help rabbits not to breed. Also, if they don't breed they will live longer and become more territorial. Spayed/nuetered rabbits will be happier living with rabbits they dislike.
You need to talk to a veterinarian to have your guinea pig spayed.
Because she has not been spayed or impregnated. You need to have her spayed.
I would recommend spaying or neutering your pet rabbit at around four to six months of age.
Dwarf rabbits behave in the same ways as all pet rabbits. If you want to know about dwarf rabbits, just research pet rabbits: you'll get all the correct information.Rabbits that aren't neutered/spayed (especially males) do spray urine as a behavioral and aggressive behaviour. This is one among many reasons why it's widely recommended to spay/neuter your rabbit! Please see the related questions below for more details and helpful links.
You should go with a girl, if you have both, then both.
While it is normal for rabbits to urinate when excited or scared it is not so normal for them to just wet themselves. The rabbit could have an infection of some type that will need to be treated so a trip to the vet would be recommended.