Looking for a started or green retriever for service work. Need confidence, biddability, food/toy drive, and for it to be social. Puppies are okay too! But hopefully looking for an older dog. Parents must have testing.

Does anyone know an online retailer that sells raw green venison or elk tripe? (not canned or dehydrated) Maya gets itchy from beef/lamb and i'm having a hard time finding an alternative - I did find one place called reelraw.com that sells a buffalo green tripe that i'm considering buying but...