Senior food for a 6-year-old Bernese Mountain Dog

Senior dogs genuinely do need different nutrition — typically fewer calories, easier-to-digest protein, and more joint support — but the timing really depends on breed size and current health. Giant breeds like Bernese Mountain Dogs age faster than smaller dogs, so thinking ahead at six is actually smart rather than premature. To give you the most useful steer: what's your Berner's age and current weight, are there any health conditions or joint issues showing up yet, and what are they eating right now?

That's a really sensible instinct. Berners are considered a giant breed and their lifespan is shorter than most — the general rule is that giant breeds hit 'senior' territory around 5 to 6 years, so you're right on time. Given the family history of hip dysplasia, getting more joint support into his diet now — before symptoms appear — makes a lot of sense. The Eukanuba he's on isn't doing anything wrong, but it's not built for this life stage. What I'd look at is Royal Canin Maxi Ageing 8+... but actually, for a 48kg Berner, their Giant Ageing 8+ is the better fit. It's formulated specifically for very large dogs, with targeted joint support via EPA, DHA and glucosamine, and adjusted calories for a slower metabolism. The '8+' label can be misleading — vets and nutritionists generally recommend starting giant breeds on it from around 6. It's widely available on Amazon UK.

It's meaningfully different in a few key ways. The Giant Ageing 8+ has lower calorie density than a standard adult food — which matters because a less active older dog can put on weight quietly, and extra weight is hard on joints. It also has a specific amino acid and protein profile designed to maintain muscle mass without overloading the kidneys, plus a blend of EPA and DHA from fish oil and glucosamine for cartilage support. Given the hip dysplasia concern, those last two are the ones I'd focus on. As for switching — don't go straight over. Do a gradual transition over 10 to 14 days: start with 25% new food mixed in, increase every few days. His gut is used to Eukanuba and a sudden switch can cause loose stools even in healthy dogs. At 48kg he'll go through a bag reasonably quickly, so buy a smaller bag first to make sure he takes to it well.

Honestly, for a dog with no current symptoms and a good joint-supporting food in place, I'd hold off on supplements for now. The levels of glucosamine and omega fatty acids in Royal Canin Giant Ageing 8+ are formulated to be effective, and stacking supplements on top without a specific reason can just add cost without clear benefit. What I would do is book a vet check in the next few months — not because anything is wrong, but because getting baseline hip and joint scores at 6 gives you something to compare against later. If your vet sees early changes, they may recommend a prescription joint diet or a targeted supplement at that point. Right now, the food switch alone is a solid, proactive move.