I switched my boy, who is 14 months old, to this kibble very gradually over ten days, and he is thriving on it. Until this change of diet, he had had mild colitis for several months. Thanks to Orijen Adult, this condition cleared up in less than a fortnight. No more loose stools. I think the problem may be that you didn't transition your pups gradually enough. Also, over-feeding is often the cause of runny stools, so it is important to feed less rather than more, keep an eye on their weight and, if necessary, very slowly increase the daily amount of kibble over a week or so. I usually build up the quantity in half ounce steps. I agree with H L Hendrix: given the high protein content of Orijen food, 3/4 of a cup three times a day seems a lot. My own boy, who weighs 50lbs - and is very busy! - is currently fed just over 12oz (two mugs) a day, divided into two meals, and this seems about right. Have your tried giving your pups half a tablespoon of plain yogurt about ten minutes before each meal? It helps to build up their stomach flora and make their stools firmer.