unfortunately not all litters go to plan when breeding...........you should never count your chickens or get kids involved when breeding a litter as anything can happen as you sadly found out, i definately do not blame the stud dog in this case (UNLESS HE HAS PRODUCED PUPS WITH THIS PROBLEM BEFORE) , the guy with the stud gave you the mating and the bitch did produce pups, this is the hard truth so is nothing to do with him. if this was the bitches first litter the problem could be from her side!! personally i would blame the kennel cough as kennel cough does kill unborn puppies and can cause