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Havanese (Bichon) DNA bundle (DM exon 2 + F8 + IVDD-risk + MTC + Furnishing)
Test number: 8929
Price: £ 138.00 (including VAT) for all 5 tests
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1 ) Degenerative Myelopathy / Degenerative Radiculomyelopathy) DM (Exon 2) / SOD1
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Breeds
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Airedale Terrier
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Alaskan Malamute
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All Dog Breeds
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American Eskimo
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Bernese Mountain Dog
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Bloodhound
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Borzoi (Russian Wolfhound)
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Boxer
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Cavalier King Charles Spaniel
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Canaan Dog
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Welsh Corgi (Cardigan)
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Chesapeake Bay Retriever
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Cockapoo (English)
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Cockapoo (American)
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Fox Terrier
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French Bull Dog
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German Shepherd
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Glen Of Imaal Terrier ( GIT )
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Golden Retriever
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Goldendoodle
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Pyrenean Mountain Dog (Great Pyrenees)
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Hovawart
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Pumi ( Hungarian Pumi / Pumik )
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Jack Russell Terrier
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Kerry Blue Terrier
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Labradoodle
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Labrador Retriever
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Lakeland Terrier
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Northern Inuit (Tamaskan / British Timber Dog)
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Nova Scotia Duck tolling Retriever ( NSDTR / Toller)
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Pembroke Welsh Corgi
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Poodle
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Pug
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Rhodesian Ridgeback
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Rough Collie
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Soft Coated Wheaten Terrier
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Shetland Sheepdog (Sheltie)
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Smooth Collie
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Utonagan
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Wire Fox Terrier
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Kennel Club
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This test is part of the Official UK Kennel Club DNA Testing Scheme in Chesapeake Bay Retriever, French Bull Dog, German Shepherd, Nova Scotia Duck tolling Retriever ( NSDTR / Toller), Rough Collie, and Smooth Collie.
for UK registered dogs, Laboklin can send results of the tests which are part of the Official UK Kennel Club DNA testing scheme to the Kennel Club (KC) to be recorded and published
as part of the Kennel Club scheme. Results will only be recorded and published by the KC if the result report includes the dog’s
microchip or tattoo number along with either the dog’s registered name or registered number. Any test results that do not carry these identifying
features will not be recorded by the Kennel Club.
In order to ensure that test results are sent to the Kennel Club, customers must also sign the declaration section on the order form to give Laboklin permission to do so.
important:
When you sign the declaration, Laboklin will send the results to the KC on your behalf, and you do not need to send them to the KC yourself again to avoid unnecessary duplications.
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The Disease |
Canine degenerative myelopathy (also known as chronic degenerative radiculomyelopathy) is a progressive disease of the spinal cord in older dogs. The disease has an insidious onset typically between 7 and 14 years of age. It begins with a loss of coordination (ataxia) in the hind limbs. As of July 15, 2008 the mutated gene responsible for DM has been found present in 43 breeds including German Shepherds, Boxers, Chesapeake Bay Retrievers, Rhodesian Ridgebacks, and both breeds of Welsh Corgis. The disease is chronic and progressive, and resulting in paralysis.
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Clinical Signs |
Degenerative myelopathy initially affects the back legs and causes muscle weakness and loss, and lack of coordination. These cause a staggering effect that may appear to be arthritis. The dog may drag one or both rear paws when it walks. This dragging can cause the nails of one foot to be worn down. The condition may lead to extensive paralysis of the back legs. As the disease progresses, the animal may display symptoms such as incontinence and has considerable difficulties with both balance and walking. If allowed to progress, the animal will show front limb involvement and extensive muscle atrophy. Eventually cranial nerve or respiratory muscle involvement necessitates euthanasia.
Progression of the disease is generally slow but highly variable. The animal could be crippled within a few months, or may survive up to three years
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Trait of Inheritance |
Tow alleles are invloved in Degenerative Myelopathy, A and G, therefore a test result can be A/A, A/G, or G/G.
Mode of inheritance is autosomal recessive with variable penetrance;
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Inheritance : AUTOSOMAL
RECESSIVE
trait
Sire
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Dam
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Offspring
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clear
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clear
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100% clear
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clear
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carrier
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50% clear + 50%
carriers
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clear
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affected
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100% carriers
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carrier
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clear
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50% clear + 50%
carriers
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carrier
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carrier
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25% clear + 25% affected
+ 50% carriers
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carrier
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affected
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50% carriers + 50%
affected
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affected
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clear
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100% carriers
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affected
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carrier
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50% carriers + 50%
affected
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affected
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affected
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100% affected
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Clear
Genotype: N / N [ Homozygous normal ]
The dog is noncarrier of the mutant gene.
It is very unlikely that the dog will show signs of the Degenerative Myelopathy
Carrier
Genotype: N / DM (Exon 2) [ Heterozygous ]
The dog carries one copy of the mutant gene and one
copy of the normal gene.
It is very unlikely that the dog will show signs of the Degenerative Myelopathy
Affected
Genotype: DM (Exon 2) / DM (Exon 2) [ Homozygous mutant ]
The dog carries two copies of the mutant gene and
therefore it will pass the mutant gene to its entire offspring.
The dog may or may not show signs of the disease
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2 ) Haemophilia A (factor VIII deficiency / F8 )
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This is a LABOKLIN patented/licenced
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Breed
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Havanese - Bichon Havanese
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The Disease |
Haemophilia A is one of the most important inherited disorders of haemostasis in Havanese Dogs. The underlying pathomechanism of Haemophilia A is a lack or decreased activity of factor VIII that plays a critical role in the coagulation cascade. Affected dogs present with hemorrhage that can vary from mild to severe depending on the degree of the disease. The clinical signs include haematomas of large sizes, bleeding of the nose, skin, muscles and joints. If the disease is severe and no precautions are taken, affected dogs can bleed to death after surgery or injury.
In cooperation with Prof. Dr. Mischke (Tierärztliche Hochschule Hannover) LABOKLIN was able to identify a SINE insert in exon 14 of the factor VIII gene that is responsible for the lack of active factor VIII protein in Havanese Dogs.
Haemophilia A is a sex-linked disorder (x-chromosomal recessive). Male dogs express the disease when they have one mutated x-chromosome. The mutated x-chromosome comes from the bitch. In most cases female dogs are carrier of one mutated x-chromosome without being diseased (conductor). According to Mendel's Law of Inheritance, 50% of the male puppies of a carrier bitch will have the mutated x-chromosome and express the disease and 50% of the female puppies will be healthy carriers (conductors). Female dogs will be diseased when they have two mutated x-chromosomes (one from the mother, one from the father). In that case both, father and mother must have the mutated x-chromosome (e.g. diseased male dog bred to conductor bitch).
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Description |
DNA test
The mutation responsible for haemophilia A can now be identified using our DNA-test. The test can be performed on dogs of any age and even puppies can be tested. The DNA test does not only differentiate healthy and diseased dogs, but furthermore identifies healthy carrier (female) dogs. This is of crucial importance for dog breeders.
To achieve a maximum reliability of the test result, we perform the DNA-test of each submitted sample in two independent test runs.
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Trait of Inheritance |
There are 3 possible genotypes:
1. Homozygous healthy:
Genotype female: N(X)/N(X),
Genotype male: N(X)/Y (homozygous healthy)
A dog like this is healthy and does not carry the mutated x-chromosome. Offspring of this dog will not get the mutated x-chromosome.
2. Heterozygous carrier (only female):
Genotype female: N(X)/FVIII(X) (heterozygous carrier)
A bitch like this carries one copy of the mutated gene. It is unlikely that the bitch will suffer from haemophilia A, however there is a 50% chance that she will pass on the mutation to her offspring.
3. Homozygous affected:
Genotype female FVIII(X)/FVIII(X) (homozygous affected)
Genotype male FVIII(X)/Y (hemizygous affected)
Because of the x-chromosomal mode of inheritance, a homozygous affected female dog carries two mutated x-chromosomes and a hemizygous affected male dog carries one mutated x-chromosome. Female and male affected dogs have a high risk to express haemophilia A. The bitch will pass on the mutation to a 100% of her offspring and 50% of the offspring of the male dog will get the mutated x-chromosome.
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Inheritance : X-LINKED
RECESSIVE
trait
Sire |
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Dam |
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Offspring |
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Males |
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Females |
clear
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clear
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100% clear
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100% clear
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clear
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carrier
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50% clear + 50%
affected
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50% clear + 50%
carriers
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clear
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affected
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100% affected
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100% carriers
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affected
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clear
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100% clear
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100% carriers
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affected
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carrier
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50% affected + 50% clear
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50% affected + 50%
carriers
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affected
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affected
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100% affected
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100% affected
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Male:
Clear
Genotype: N [ normal ]
The dog is noncarrier of the mutant gene.
The dog will never develop Haemophilia A (factor VIII deficiency / F8 ) and therefore it can be used in breeding and should only be bred to clear females.
Affected
Genotype: FVIII [ mutant ]
The dog carries the mutant gene and will pass it its entire female offspring.
The dog will develop Haemophilia A (factor VIII deficiency / F8 ) and will pass the mutant gene to its entire female offspring
Female:
Clear
Genotype: N / N [ Homozygous normal ]
The dog is noncarrier of the mutant gene.
The dog will never develop Haemophilia A (factor VIII deficiency / F8 ) and therefore it can be used in breeding and should only be bred to clear females.
Carrier
Genotype: N / FVIII [ Heterozygous ]
The dog carries one copy of the mutant gene and one
copy of the normal gene.
The dog will never develop Haemophilia A (factor VIII deficiency / F8 ) but since it carries the mutant gene, it can pass it on to its offspring.
Affected
Genotype: FVIII / FVIII [ Homozygous mutant ]
The dog carries two copies of the mutant gene and
therefore it will pass the mutant gene to its entire offspring.
The dog will develop Haemophilia A (factor VIII deficiency / F8 ) and will pass the mutant gene to its entire female offspring
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Turnaround |
2-3 weeks
We will run this test 2 independant times on your sample to ensure that the result is 100% accurate
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3 ) Chondrodystrophy (CDDY with IVDD Risk) and Chondrodysplasia (CDPA)
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Breeds
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All Dog Breeds
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American Cocker Spaniel
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Basset Hound
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Beagle
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Bichon Frise
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Cavalier King Charles Spaniel
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Welsh Corgi (Cardigan)
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Chesapeake Bay Retriever
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Chihuahua
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Coton de Tulear
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Dachshund
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Dandie Dinmont Terrier
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English Springer Spaniel
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French Bull Dog
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Havanese - Bichon Havanese
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Jack Russell Terrier
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Miniature Poodle
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Miniature Wire haired Dachshund
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Miniature Long Haired Dachshund
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Miniature Smooth Haired Dachshund
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Nova Scotia Duck tolling Retriever ( NSDTR / Toller)
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Papillon (Continental Toy Spaniel )
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Pekingese
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Pembroke Welsh Corgi
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Portuguese Waterdog
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Scottish Terrier
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Shih Tzu
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Toy Poodle
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West Highland White Terrier
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Welsh Corgi
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Description |
Chondrodystrophy (CDDY with IVDD Risk) and Chondrodysplasia (CDPA)
The test checks for two mutations: CDDY with IVDD Risk, and CDPA, and so you will receive two results, one for each mutation.
Chondrodystrophy CDDY (FGF4-12) which causes short legs and the risk of developing Intervertebral Disc Disease (IVDD).
Chondrodysplasia CDPA (FGF4-18), which causes the short legged phenotype in a number of breeds.
Chondrodystrophy (CDDY with IVDD Risk) is a trait that is common to many dog breeds and it is characterised by shorter legs due to shorter long bones. CDDY can also be associated with Intervertebral Disc Disease (IVDD) due to premature degeneration of the intervertbral disc. The intervertebral disc lie between the vertebrae and it is made of a cartilage which separate vertebrae from each other, absorb shocks and allow slight movement of the vertebrae. In affected dogs, premature calcification of part of the disc at early age (from birth to 1 year of age) results in degeneration of all discs in young dogs. These abnormal discs are susceptible to herniation into the spinal canal where the inflammation, and hemorrhage can cause severe pain and neurological dysfunction. CDDY is inherited as a semi-dominant trait which means that dogs with 2 copies of the mutation are smaller than dogs with only 1 copy. As for IVDD, the inheritance follows a dominant mode, meaning that 1 copy of CDDY mutation is sufficient to predispose dogs to IVDD.
The CDDY mutation has been found in breeds such as: Basset Hound, Beagle, Bichon Frise, Cardigan Welsh Corgi, Cavalier King Charles Spaniel, Chesapeake Bay Retriever, Chihuahua, American Cocker Spaniel, Coton de Tulear, Dachshund, Dandie Dinmont Terrier, English Springer Spaniel, French Bulldog, Havanese, Jack Russell Terrier, Nova Scotia Duck Tolling Retriever, Pekingese, Pembroke Welsh Corgi, Poodle (Miniature and Toy), Portuguese Water Dog, Scottish Terrier, Shih Tzu.
The second mutation CDPA explains the short-legged phenotype known as chondrodysplasia (CDPA) in breeds such as Basset Hound, Pembroke Welsh Corgi, Dachshunds, West Highland White Terriers and Scottish Terriers. CDPA inheritance is considered to follow am autosomal dominant mode.
In some breeds both mutations are present and so breeders will be able to plan breeding to reduce occurrence of CDDY, while retaining the short-legged phenotype CDPA.
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4 ) Macrothrombocytopenia ( MTC-D )
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Breeds
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American Cocker Spaniel
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Bichon Frise
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Boxer
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Cavalier King Charles Spaniel
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Cavapoo
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Chihuahua
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Cocker Spaniel
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Dwarf poodle
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English Cocker Spaniel
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Havanese - Bichon Havanese
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Jack Russell Terrier
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Labrador Retriever
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Maltese
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Miniature Poodle
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Parson Russell Terrier (PRT)
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Poodle
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Shih Tzu
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Standard Poodle
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Toy Poodle
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Description |
Macrothrombocytopenia ( MTC ) is inherited as an autosomal dominant trait characterized by low platelet count and the presence of some larger than normal platelets in circulation.
Unlike acquired macrothrombocytopenia (thrombocytopenias secondary to infectious agents, medications, immune-mediated causes), this form does not respond to treatment.
It is important to note that these dogs may mistakenly be considered to have an underlying disease that results in thrombocytopenia, such as immune-mediated thrombocytopenia, tick-borne infection, or a bone marrow disorder.
TC ) is inherited as an autosomal dominant trait and results can be Clear (N/N), Affected heterozygous (N / MTC), Affected homozygous (MTC / MTC)
A RECESSIVE form of MTC is found in other breeds click on the following link for further details: Recessive Macrothrombocytopenia (MTC) .
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5 ) Furnishings
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Breeds
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All Dog Breeds
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Barbet (French Water Dog)
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Griffon Bruxellois (Brussels Griffon)
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Chinese Crested
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Dachshund
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German Wirehaired Pointer
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Havana Silk Dog
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Havanese - Bichon Havanese
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Hungarian Vizsla (Magyar Vizsla / Smooth haired)
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Lagotto Romagnolo
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Soft Coated Wheaten Terrier
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Various dog breeds
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Hungarian Wirehaired Vizsla (Vizslak)
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Description |
Furnishings refer to the longer facial hair around the eyebrows, moustache, and beard commonly seen in many breeds, including the wirehaired breeds. Presence of furnishings is dominant to the unfurnished version of the gene, which depending on breed may also be referred to as satin, or sleek. LABOKLIN offers a test to see if a furnished dog carries the recessive unfurnished trait. This coat variant is called 'improper coat' in portuguese waterdogs. In Hungarian Wirehaired Vizsla (Vizslak) this it is called Wirehair.
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Price
for the above 5 tests
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£ 138.00 (including VAT)
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