What Happens If Mom Dogs Stepped On Her Newborn. Any suggestions for how to prevent a new, first time mother gsd, from lieing, sitting or stepping on her 2 day old pups, and killing them. However, it is most crucial to have a mother during the first few weeks of life.
The virus will attack the puppies underdeveloped immune system, causing it to die, commonly during its 3 rd week. In some situations such as if a dog is particularly young or has her puppies by caesarean section, she may simply not associate the puppies as being hers. Such behavior may appear from the moment she has given birth, or a few days or weeks later.