i buy from aldis or lidl ,bags of mixed frozen vegetables ,,a cup of tripe , a cup of minced chicken ,,and a cup of beef mince on alternative nights ,,the dogs thrive on it ,,i find the tripe used with other feed great for putting the weight ..sardines 3-4 nights a week and when its freezing outside i make a stew from all of the above ,,keeps them in great nick ..i have a man up here sionnach that can supply you with tripe ,washed and minced ,if your looking for it .