Nothing. If she is in her late term, the risk of trauma to the fetuses will rise but otherwise, she and the puppies should be fine.
Often, a male dog is protective of the pregnant female dog, usually if he is the "mate." Sometimes dogs, mates of the pregnant dog or not, will act aggressivley towards the female dog, also known as the "bitch."
Ask the vet.
Sometimes.
Possibly. There are quite a few factors involved the main ones being the size of the dog's involved and the length into pregnancy, hormonal factors, etc...
If the female is trying to get pregnant with a male dog then it will go on the males back but if the female dog is going on the males back while pregnant then it may means that they wanted to have another baby.
Yes she could be.
technically yes, they attract mates by using their scents
it is the cells of the animals and the punnett square if it is a hybrid then it can have both sorts of puppies but what if it only has smooth puppies in the second litter??
the dog mates just like any animal would
This is a poem in which i guy weighs a dog then mates with it
50/50, just like people. If you are trying to breed, then you should note that breeders often leave the mates together for 4 days to a week.
Labradoodle