Journal

What your dog's coat is telling you about their food

A dull coat or constant scratching is often the first sign that something in the bowl is not agreeing with your dog. Here is how I read the coat in my consulting room, and what usually helps.

A vet examining a dog's coat and skin during a check-up

The coat is the first thing I look at when a dog walks into my room, and it is usually talking before the owner has said a word. A healthy coat sits flat, has a faint shine under the light, and springs back when you run a hand against it. When the diet is wrong, the coat is often where the problem shows up first, weeks before anyone notices a tummy upset.

Skin and hair are built from protein and fat, and they turn over quickly. That makes them a fair early-warning system. If a dog is not absorbing the right nutrients, or is reacting to something in the food, the coat tends to lose its gloss and the skin starts to complain.

The signs I take seriously

A few patterns come up again and again in practice:

  • A dull, dry coat that has lost its shine, often with small flakes of dandruff near the base of the tail or along the back.
  • Scratching, licking and chewing, especially at the paws, the belly and around the ears. Paws that have gone rusty-brown from constant licking are a giveaway.
  • Recurring ear trouble. Itchy, smelly ears that keep coming back after every course of drops are very often a food reaction rather than a one-off infection.
  • Hot spots and thinning hair over the rump and thighs.

One reaction I see often in South Africa is to chicken. A dog can eat a chicken-based food happily for months and then start scratching, and owners rarely connect the two because nothing in the bowl changed. The body simply reached its limit.

If the ears keep flaring up and the paws are always pink and damp, look at the food before you reach for another bottle of drops.

Why fish so often settles things

When I built MaxHealth I chose fish as the main protein on purpose. Most dogs have never eaten much of it, so there is little history of sensitivity, and the omega-3 fats in fish oil feed the skin barrier directly. A stronger barrier holds moisture in and keeps irritants out, which is exactly what an itchy dog needs.

The recipe is also kept short. Fewer ingredients means fewer things that can trigger a reaction, and it makes it far easier to work out what is going on if a problem does appear. That is the thinking behind our vet-formulated diets: limited, hypoallergenic ingredients built around fish protein.

How to test it at home

If you suspect the food, the only reliable way to know is a proper elimination trial. Pick a single, novel protein diet and feed nothing else for eight weeks. No table scraps, no flavoured chews, no treats from the old recipe. It sounds strict because it has to be. One biscuit of the old food can muddy the result.

Give it the full eight weeks. Skin is slow to heal, and most owners start to see the coat settle somewhere around week four to six. Take a photo of your dog on day one so you have something honest to compare against, because day-to-day change is hard to notice when you live with it.

If the coat comes right and the scratching stops, you have your answer. If nothing has changed after eight clean weeks, the cause is probably not the food, and that is worth knowing too. Either way, bring your dog back so we can look together.

A good coat is not vanity. It is the outside of a healthy dog, and one of the clearest signs that what is in the bowl is working.

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