Expensive to breed carnivorous animals though. Chickens, cows, etc. you can directly raise on cheap vegetable matter.
I used to work in the pet industry and an oft cited statistic was that 1,000,000 cats and dogs are euthanized every year in the US. It would never happen for cultural reasons but, it seems like China could be a booming market for selling these animals as meat instead of letting it all go to waste.
I think veterinary drug residue is a big concern here too
I don't think that's true: dog meat isn't widely eaten, but enough countries do eat it to suggest it's palatable.