Why thick coats hide problems so well
A dense double coat is insulation for the dog and camouflage for everything living or festering underneath it. Fleas favour the warm, sheltered skin a thick coat protects, ticks settle where fingers rarely reach, and sore patches can weep and mat quietly for days before the outer coat looks any different. By the time a heavily coated dog is visibly scratching or the coat smells off, the problem is usually established. A deliberate weekly check, down at skin level, is how owners of thick-coated dogs catch the small version of every one of those problems.
Set the check on a fixed day and give it unhurried time — ten to fifteen minutes of parting, looking and feeling beats a quick ruffle every day of the week.
The part-and-look method, section by section
Start where parasites prefer to be. Part the coat against the lie of the hair at the neck, the base of the tail and along the spine, blowing gently into the parting to open a window to the skin. Healthy skin looks pale and calm; you are hunting for redness, flaky patches, crusts, tiny scabs, raised lumps and any area that feels warm or damp. Run the pads of your fingers slowly through the coat against its direction as well — fingertips register gritty flea dirt, tick bodies and sore spots that eyes miss under guard hairs.
Cover the sheltered places methodically: behind the ears, the armpits, the groin and belly where the coat thins, between the toes, and under the collar, where friction and trapped moisture start their own sores.
Testing what you find
Black gritty specks combed out onto damp white paper or tissue give you a simple answer: if the specks dissolve into reddish-brown streaks, that is flea dirt — digested blood — and fleas are or have been feeding on him, even if you never see a live one. A tick feels like a fixed small lump and looks like a smooth grey-brown body attached at the skin; if you remove ticks yourself, use a proper tick tool with a twist, keep the mouthparts intact, and note the date and spot, or let your vet handle one you are unsure about. Photograph anything odd — a spreading patch, a lump — next to a coin for scale, so you can tell next week whether it has changed.
What belongs to the vet, not the grooming table
Book a vet visit if you find patches that are spreading, weeping or bald, skin that smells sweet or sour at the surface, multiple lumps, a lump that is growing or changing, or scratching and chewing that is breaking the skin. Widespread flea dirt alongside pale gums, lethargy or a heavy burden on a small or elderly dog also deserves prompt advice. Take the same approach with any sore that has not improved after a week of being left alone and kept clean — persistence is information, and skin problems are far easier to treat in their first fortnight than their second month.
Do not start leftover creams or another pet's treatments on a patch you have found; identify first, treat second, on your vet's direction.
Making the check a habit that survives busy weeks
Pair the check with an existing weekly anchor — the big brush-out, bedding wash day — and keep the tools together: a steel comb, white tissue, a tick tool and your phone for photos. Many thick-coated dogs learn to enjoy the session as extended stroking if it stays calm and ends with something pleasant.
Listing the skin check as a weekly duty in KinsLe Care Teams means it happens even when the usual groomer in the family is away, because the assigned person sees it due and logs what they found when they finish.