Females go into heat every five to nine months. So five to nine months after her last heat she will go into heat. The litter should not affect her next heat cycle.
On her next heat.
If there is another female around she can get domanate of her surroundings. A female pit in heat can be aggressive and even more so if she has has a litter recently.
If by "Session" you mean estrus/heat; no. A female dog can not get pregnant if they are not in estrus. Many female dogs can not safely carry a litter to term if they where bred during their first or second heat, and reputable breeders usually wait till the dog is around three years old.
Yes, female cats do indeed have "seasons". Female cats will go into heat all year round, but the months between March to October is generally considered "the breeding season." Heat cycles can start as early as the fourth or fifth month of a kitten's life, and will continue until you breed her or spay her. A cat is usually in heat for a week or two, and will start again every two to three weeks. A Queen will come into call (heat) all over again once the her kittens are weaned, leaving very little time for a female cat to regain her strength after looking after one litter and coming into call again.
It is possible for a dog to have a litter with different fathers if the female mates with more than one male during her heat cycle, leading to fertilization by multiple males. This can result in a litter of puppies from different fathers.
Yes. A cat can have kittens from different fathers in the same litter.
Your bitch should not come into heat for about 4 months. As long as she had no problems having the current litter and is in good health/condition there should be no reason you could not breed her again. There are several trains of thought on this subject. 1. Uterus is a muscle and it is better to use it, so breed every heat and then retire your bitch early after 4-5 litters. 2. Breed for two heats and rest one heat. This routine can be continued until 4-5 litters have been born. 3. Breed only once a year or every other heat cycle. This allows the bitch's body to recuperate. You need to talk with your vet and see what they suggest since you will have to work closely with them for a happy healthy bitch and litter. If your dog requires a c-section you should give her a year off to heal from the surgery before trying to carry a litter. Also if the litter has pulled your bitch's weight way down you need to make sure she is in top shape before breeding her again.
It varys, Roughly 6 months as usual.
Unless you're intending to have a litter of puppies, it's definitely recommended.
A female dog can be expected to go into heat again after about 6-8 months, but this can vary depending on the individual dog.
you'd actually be surprised to know only 2 or 3 it takes 5 weeks to wean 1 litter and n only 36 hours of giving brith the female is once again in heat and if left with the male will get pregnant again
This usually depends on how old the kittens are and the individual mother cat. Usually a female cat will come back into season after her current kittens are weaned. However, some cats' cycles can start again when her kittens are still very young, and some will not come into heat again for many months after the kittens are weaned.