What happened to  a tin of chappie and kitchen scraps ? we have always mainly fed raw as old man was a foreman slaughter man we always  had allsorts boiling in big pans in yard sheep heads wessels throttles  whatever he could get went in  ? always ended up with a jelly fatty crust on top  .the old girl use to bring her washing in before a boil up because of the smell .dogs always looked well .my mate brings me allsorts ox and lamb hearts beef tripe whatever he can get I take of him we just agree a figure .I get chickens from wholesalers that aren't fit for human consumption again I take what h