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LSThe Labrador Stockroom

Numbered entries for the working and family Labrador, kept on the northern plains

CA-003Care & feeding

Shedding Season on a Labrador

Why a Labrador sheds, which brush pulls the undercoat, whether a swim means a bath, and what a dull coat says about diet and thyroid.

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A black Labrador standing on dry late-winter grass in flat northern plains light, an undercoat rake resting on a wooden step beside a bucket of pulled grey undercoat, low afternoon sun, medium shot from the side.
Plate CA-003 Care & feeding shelf, generated plate for this entry, checked 13/09/2026

A Labrador sheds because it wears a double coat: a short, dense topcoat of guard hairs over a soft, woolly undercoat. The undercoat insulates against January wind and July sun, and the dog replaces it twice a year, in spring and again in fall. Nothing stops the shed. Brushing controls where the hair lands. Owners who also keep a herding breed often compare notes on coat structure across breeds, since coat length and undercoat vary widely between working dogs and change how a rake is used.

The northern plains run two sheds on a calendar. Spring shed starts when daylight lengthens in late February and runs into April, and it is the heavy one. Fall shed is lighter, triggered by shortening days in September and October, and it builds the coat that carries the dog through pheasant season and cold water. A Labrador kept indoors under long artificial light can shed in low gear all year, which reads to the owner as constant shedding rather than two events.

Why does a Labrador shed so much?

Hair is a protein structure with a scheduled life. Each follicle cycles through growth, rest, and release. In a double-coated breed the undercoat follicles are dense, often several hairs per follicle, and they release together when the cycle turns. That synchrony is what makes a Labrador look like it exploded in March instead of dropping a few hairs a day.

Hormones and light drive the timing. Increasing photoperiod in spring tells the body to dump the winter undercoat. Cooling days in fall tell it to grow a new one. Spaying and neutering can soften the cycle, and many altered dogs shed steadily instead of in two clean waves. That is normal, not a fault.

A coat is also a report on the dog. A Labrador that sheds in clumps with bare patches, or that holds a dull, dry coat year round, is telling you something the brush cannot fix. Skin and coat sit downstream of diet, parasites, and thyroid function. If the shedding pattern changes suddenly, that is a veterinary question, not a grooming one.

What brush works on a Labrador coat?

An undercoat rake earns its keep. The rake has a row of short teeth that reach through the topcoat and hook the loose undercoat without scraping skin. Work it in the direction of hair growth, in short strokes, and clean the teeth every few passes. Ten minutes with a rake pulls more dead undercoat than an hour with a bristle brush.

A rubber curry or hound glove comes second. It lifts loose hair from the surface and moves skin oils, and most Labradors tolerate it. A slicker brush is for the tail, the ruff, and the feathering behind the front legs, where hair runs longer. A fine-toothed flea comb is a diagnostic tool, not a grooming tool: run it along the flank and look at what comes up.

Skip the clippers. Shaving a double-coated dog does not reduce shedding and can damage the coat's ability to regrow evenly. The undercoat grows back, the topcoat may not, and the dog loses insulation it needs in February.

The principle holds either way: reach the undercoat, leave the topcoat alone.

Brush outside, into wind, on a day when the hair will blow away from the house. Twice a week in normal season, daily during the spring blowout. A rake, a curry, and a five-gallon bucket for the hair cover a Labrador for years.

Does a Labrador need a bath after swimming?

Usually not. A Labrador coat is built to shed water and dirt, and a rinse with a hose after a pond or a river is enough for most dogs. The topcoat carries a natural oil layer that repels water, and frequent shampooing strips it. A stripped coat holds water, smells, and mats more easily.

Bathe when the dog has rolled in something, when the coat smells sour after repeated swims in warm, stagnant water, or when a skin condition needs medicated shampoo on a schedule. Use a dog shampoo, rinse until the water runs clear, and dry the undercoat, not just the surface. A wet undercoat against skin in cold weather is how hot spots start.

Ears matter more than coat after a swim. A Labrador's drop ear traps water and warmth, and that is the setup for an ear infection. Dry the ear canal with a towel or a cotton ball at the opening, never a cotton swab pushed down the canal. If the dog shakes its head or the ear smells, that is a vet visit.

What a dull coat says about diet and thyroid

A healthy Labrador coat is dense, slightly oily to the touch, and lies flat. A dull, dry, brittle coat with flaky skin is a signal. The first place to look is fat in the diet. Dogs need fat for skin and coat, and a food that is adequate in protein can still be short on the fatty acids that keep the coat supple. Many owners see a change within six to eight weeks of moving to a diet with a named fat source.

Parasites come next. Fleas, mites, and internal parasites all show up in the coat before they show up anywhere else. A dog that is scratching, shedding unevenly, and carrying a dull coat needs a skin check, not a new brush.

The thyroid is the third stop. Hypothyroidism in dogs slows metabolism and shows up as weight gain, lethargy, cold intolerance, and a dry, thinning coat that sheds poorly or not at all. It is diagnosed with a blood panel, not by looking at the dog. A veterinarian runs the test, reads it against the dog's age and condition, and treats if the numbers support it.

Season matters here too. A coat that looks rough in late March, when the winter undercoat is coming out in handfuls, is not the same coat as one that looks rough in October, when it should be building. Judge the coat against the calendar before judging the diet.

The two sheds, by month

Spring shed: late February through April. The undercoat releases in sheets. Rake every day for two weeks, then twice a week. Expect hair on furniture, in car seats, and along baseboards no matter what you do.

Fall shed: September through October. Lighter, faster, and easy to miss. Rake twice a week. This is the shed that builds the coat for cold water and late-season birds, so do not strip it down to skin.

A dog that lives indoors under steady artificial light may shed year round at a low rate. That is a management problem, not a health problem. Rake weekly, vacuum often, and accept that a Labrador in a house means hair in the house.

What this site does not do

The Labrador Stockroom does not sell puppies, does not rank kennels, and does not take bookings. It reads breed health research, field reports, and owner experience from the northern plains and writes down what holds up. Coat questions are settled with a rake, a calendar, and a veterinarian when the coat says something is wrong.

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