I used to weight it out, never do now, i just feed by eye, whatever the dogs do or don't need, but roughly 1/2 lb per terrier, 3/4 lb whippet and up to 2lb for the lurcher. I don't add anything for crunch, they don't need it. They also get lamb bones at other times, dry food, tinned food, bought in raw food...tripe etc. But their main diet is home made and other raw, mainly tripe.
I soak the biscuit as i do not like what dry food does to dogs....makes them drink constantly, puts extra work on kidneys and internal organs. Plus when soaked it mixes up with the rest of the food better and does n