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Originally Posted by Ghost writer All puppies are conceived the same day. If 1 is a little behind the other which is common it's usually due to poor placement inside of utero causing that pup to develop at a slower rate. |
Actually dogs can breed a make puppies both breeding. You can have a dog that has two different dads to her litter. I have heard about it a few times. That's why you shouldn't mate them to far apart.