Can a Litter of Puppies Have Different Fathers? Vet-Approved Superfecundation Explanation
It isn’t uncommon for the puppies in a single litter to be different sizes and have different markings. Sometimes, though, the puppies can appear so different that it is easy to imagine they are actually from different litters. One possible reason for such vastly different appearances in puppies is superfecundation. This means that the puppies […]