my aul ma was a domestic in an old folks ward in a hospital when i was younger every night she would bring the bahn maries from the hot plate at work home my first lurcher and terriers where fed on the ward left overs and whatever else i could catch beg borrow or steal none them dogs even saw kibble, another thing when i think back i cant remember as many obese pet dogs from back then haha probably because everyone just turned them out in the morning and hoped they came back of an evening....