Can anyone offer advice about an underweight gsd pup?
I hope you have told your vet WHICH parasite (roundworm, giardia, whatever) the litter-mate had. Without a specific course of treatments for that parasite having killed not just it but also its larvae as they hatch out, it may merely be in a different stage of its life cycle and ready to again give your pup big problems in a few days’ time. Also – has your vet talked to you about whether his lack of size is JUST the diarrhoea and not because he is also a pituitary dwarf? I would be interested in knowing (e-mail me privately via my photo) which kennel you went to, and which sire & dam your pup has. As for diet: First thing is to get him off kibble muck and onto REAL food. All mammals require rich milk in the early part of their life. Canids are carnivores. Their digestive system evolved to perfectly suit raw animal proteins – birds, eggs, fish (but not those needles), insects, mammals, reptiles. In the process of domestication, dogs adapted to thrive on cooked table scraps (but NOT bake