My chihuahua just had a litter of 5 pups. I have never seen this before. The first born died after 1 1/2 hours, it was very premature. The last born is still having trouble and I'm working with him. He couldn't breath on his own and now he doesn't want to swallow. Any suggestions? The pups are quite small and petite, nothing like our previous litters which were usually very large pups. Also, two pups were born with stub tails??? I'm shocked, I have never see a Chihuahua with no tail before. Any comments appreciated.