Well I've been investigating some stuff myself today. I went to local pet store and they do sell cod liver oil for animals, and as it happens I do work in pharmacy so looked at active ingredients and they r exactly same as in normal cod liver oil u can buy in chemist for human ( make sure it's not high strength) so for those who own Yorkies as long ur dog is under 5kg ur safe to give 5ml spoonful once daily with their meal. Ofc check with your vet, I will try it out on my 7months yorkie and post here again in few months to update
