I need a small animal veterinarian's help

Stephani • Marrying my high school sweetie. We have been ttc since March of this year. I`m now an Angel Mommy (09/2015)
my two year old pit bully mix had a few pork chop bones the other night. my in laws have them to him after I tell them not to. he's been having diarrhea since last night and now there is blood in it. please help me out, he's my baby 😩💕