Oh my Gawd!
The entire thing is so horrible for all involved! (minus the stupid owner )
I'm so glad to hear both are doing well and are going to be okay.

Was the pup that did this a female? (Sorry if this has been answered already) If it was a female maybe she was over at the house to breed I know she's only a pup... but we all know how &$#@(%^ stupid some people are.