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Border terrier standing on rocks in the Lake District fells

Sealyham Terrier stud dogs

Sealyham Terrier stud dogs offered by UK breeders, with health test results and registration details.

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Advertise your Sealyham Terrier stud dog

Offer your Sealyham Terrier at stud to owners of health-tested bitches. Show his registration, health test results and achievements, and link the listing to your free breeder profile.

No breeders are listed here yet, so the first profiles get the page to themselves.

  • Free basic profile: your breeder or company name, website, social media, location, breeds and industries.
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Create your free breeder profile Advertise a litter Advertise a stud dog

Is it free to advertise here?

Yes. A breeder profile and your litter and stud dog adverts are free. Premium profiles, featured placement and sponsored articles are optional paid extras; see pricing.

Do I need a licence to advertise puppies?

In England you need a dog breeding licence from your council if you breed three or more litters in 12 months or breed and sell dogs as a business, and Wales, Scotland and Northern Ireland have their own schemes. Licensed breeders show their licence number and issuing council on every advert. Puppies must be at least eight weeks old before they go to new homes.

Is my listing already here?

We add licensed breeders from councils' public registers. Search for your kennel name; if it is listed you can claim it and edit everything.

Using a Sealyham Terrier stud dog

A Sealyham Terrier stud dog should be RKC registered, with a PLL DNA result on record and a current eye certificate from the BVA/KC/ISDS Eye Scheme, in line with the RKC's Good Practice and Best Practice advice for the breed. His PLL status decides which bitches suit him, and the RKC's breeding advice explains how to choose a mate so that no affected puppies are produced. In a breed this small, prioritising genetic diversity is itself an RKC Good Practice step. Breeders may know the RKC's inbreeding checks from its Mate Select service, launched in 2011; today its online inbreeding coefficient calculator predicts the figure for any proposed mating, and the RKC advises aiming at or below the breed average. Spreading matings across several dogs rather than relying on one popular sire helps keep the gene pool open.

Health tests for a Sealyham Terrier stud

The RKC places the Sealyham Terrier in Breed Watch Category 1, so no conformation-related points of concern are currently flagged for show judges. Its breed page sets out pre-breeding screening in two tiers. As Good Practice, breeders should prioritise genetic diversity and DNA test for primary lens luxation (PLL). As Best Practice, they should also have breeding dogs eye tested under the BVA/KC/ISDS Eye Scheme.

In PLL the fibres that hold the lens in place break down, so the lens slips out of position. The RKC describes it as painful and blinding; it can cause glaucoma, and full luxation usually happens between three and eight years of age. It is autosomal recessive: a dog with two copies of the faulty gene is affected, while one copy makes a carrier without signs. The RKC's Sealyham DNA package covers PLL, and the RKC records PLL results for the breed. Under the BVA eye scheme, a BVA-appointed panellist examines the eyes and certifies the dog as clinically affected or unaffected; the RKC advises examining breeding dogs within 12 months before mating. The Midland Sealyham Terrier Club also mentions degenerative myelopathy among conditions seen in the breed.

  • DNA test for primary lens luxation (PLL): RKC Good Practice
  • Prioritising genetic diversity: RKC Good Practice
  • Eye testing under the BVA/KC/ISDS Eye Scheme: RKC Best Practice
  • Breed Watch: Category 1
  • RKC status: vulnerable native breed

More for Sealyham Terrier owners and breeders

Official sources