Switching Malamute to sensitive stomach food

Switching a working-breed formula dog onto a sensitive stomach food is actually a really common reason dogs start showing digestive upset — the change in protein density and fat levels can hit a gut hard, especially in a breed like the Malamute whose digestion is tuned to rich, high-calorie food. Sensitive stomach issues generally come down to food intolerance, ingredient sensitivity, or a gut that simply does better on a cleaner, simpler diet, and figuring out which is happening here matters before picking a new food. What symptoms is your dog showing — loose stools, vomiting, gas, or something else? And is the digestive trouble something that started as you began the switch, or has it been building for a while?

That makes a lot of sense. A retired working dog still eating a performance formula is essentially being overfuelled — high protein and high fat at rest can overload the digestive system, leading to exactly the loose stools and gas you're describing. His gut doesn't need to process that volume of nutrients anymore, and the excess ferments. So this isn't really a sensitivity problem in the traditional sense — it's a mismatch between what he's eating and what his lifestyle now requires. The good news is this is very fixable with the right switch. Before I suggest something specific: is he otherwise healthy — good energy, no vomiting, eating well? And are there any ingredients you already know he doesn't tolerate, or is this the first time you've had issues with him?

Perfect — that clean history actually makes this straightforward. What you're looking for is a moderate-protein, easily digestible adult food with a single main protein source and no unnecessary fillers or rich additives. Given his size and the fact that there's no underlying condition, you don't need a prescription diet at all. I'd go with Royal Canin Digestive Care Adult dry dog food. It's built specifically for dogs with sensitive digestion — it has a moderate, controlled protein level, highly digestible ingredients including rice and easily processed proteins, and it includes prebiotics to support gut flora. For a 38kg Malamute coming down from a performance diet, it's a sensible, well-balanced step down. It's widely available on Amazon UK in large bags which suits a big dog well. The one thing I'd stress: transition slowly over 10–14 days minimum. Given how rich his current food is, going even slower — say 3 weeks — would be kinder on his gut and give you a cleaner read on whether the new food is working.

Good question — and worth paying attention to, because sled dog formulas are calorie-dense, so the feeding amounts on those bags are deliberately lower by volume. With Royal Canin Digestive Care, the bag guidelines for a 38kg adult dog in normal activity will give you a starting point, but I'd suggest treating your Malamute as a 'light activity' dog rather than 'normal' given the lifestyle change. Keep an eye on his waistline over the first 6–8 weeks — you should be able to feel his ribs without pressing hard. If he starts to fill out, trim back by 5–10%. The loose stools should noticeably improve within 2–3 weeks of being fully transitioned, and the gas usually settles faster than that. If things haven't improved after a full month on the new food, that's the point to revisit and consider whether there's a specific ingredient sensitivity underneath.

Great — you're doing the right thing catching this early rather than letting a performance diet run on a resting dog for years. Slow transition, watch the portions, and his gut should settle down well. Royal Canin Digestive Care is easy to find on Amazon UK so you won't have trouble keeping it in stock for a dog his size. Good luck with him.