It depends. It's possible dependent on the genes he carries and the color and genes the mom carries.
being pure breed
No, a female Chihuahua can not have pit-bull puppies The Chihuahua is a very small breed dog. The pit-bull is a large breed dog. Breeding a Chihuahua with a pit-bull can not only cause issues with the puppies but it can ultimately cause death to the female Chihuahua.
all though it would be funny to have a bullsh*t. i wouldn't recommend trying that
About 63 days.
No, it is not possible for puppies to have kittens.
Do pitbull puppies leave gashes or puncture wounds
They believe the puppies are invading the fathers territory
1 week and 1/2
No, for two reasons. First, the pitbull is a distinct breed, so crossing a toy poodle with a pitbull would result in mixed-breed puppies, not pitbull puppies. Second, and probably more importantly, toy poodles are much smaller than pitbulls, by a factor of 8-10x. It would be close to impossible to breed a male pitbull to a female toy poodle, and the fetal-maternal mismatch in sizes would likely result in difficulty during birth or even death of both the mother and the puppies.
If someone is looking for free blue pitbull puppies, they should check their local paper. You can also check the online classifieds ads. If you adopt a puppy there is a fee. but the money goes to the shelter to cover the cost of your puppies vaccinations.
You will not know until the person has it for a while.
Yes, this is possible if she conceived a puppy from each separate mating with a different father.