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Glen of Imaal Terrier DNA bundle (CRD3 + DM2 + B-Locus )
Test number: 8796
Price: £ 132.00 (including VAT) for all 3 tests
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1 ) Progressive Retinal Atrophy ( crd3-PRA )
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Breed
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Glen Of Imaal Terrier ( GIT )
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The Disease |
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Progressive Retinal Atrophy ( crd3-PRA ) is a PRA form that has been found in Glen of Imaal Terrier, it is known to be caused by a variant of the ADAM9 gene which is found to be associated with cone-rod dystrophia (crd3). The retinal function of very young affected dogs remains normal but at the age of 12-24 months, the con and later also the rod photoreceptor cells begin to degenerate. Difficulties avoiding obstacles in dimlight are typical first signs of this disease. The degeneration of the photoreceptors progresses and results in complete blindness after several years. At ophthalmoscopic examinations, Clinical effects of crd3 are usually not evident until about 2-2.5 years of age, however, in some cases this may be delayed for several years.
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Trait of Inheritance |
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Trait of inheritance is autosomal recessive which means that the dog must inherit two copies of the mutation in order to develop the disease.
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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 develop Progressive Retinal Atrophy ( crd3-PRA ). The dog will never pass the mutation to its offspring, and therefore it can be bred to any other dog.
Carrier
Genotype: N / crd3-PRA [ 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 develop Progressive Retinal Atrophy ( crd3-PRA ) but since it carries the mutant gene, it can pass it on to its offspring with the probability of 50%. Carriers should only be bred to clear dogs. Avoid breeding carrier to carrier because 25% of their offspring is expected to be affected (see table above)
Affected
Genotype: crd3-PRA / crd3-PRA [ 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 is likely to develop Progressive Retinal Atrophy ( crd3-PRA ) and will pass the mutant gene to its entire offspring
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2 ) 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 |
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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 |
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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 |
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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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3 ) Coat Colour: B Locus (bd, bc, bs) Brown Coat Colour
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Breeds
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All Dog Breeds
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American Cocker Spaniel
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Australian Shepherd
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Bedlington Terrier
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Border Collie
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Welsh Corgi (Cardigan)
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Dachshund
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Dalmatian
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Doberman Pinscher
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English Cocker Spaniel
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Flatcoated Retriever
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Fox Terrier
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French Bull Dog
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Galgo Espanol
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German Longhaired Pointer
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German Shorthair Pointer
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Gordon Setter
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Griffon Bruxellois
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Irish Soft Coated Wheaten Terrier
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Koolie ( Australian Koolie )
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Labrador Retriever
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Miniature Pinscher
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Newfoundland
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Pointer
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Portuguese Waterdog
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Scottish Terrier
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Weimaraner
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Description |
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This test is for the 'bd', 'bc' and 'bs'variants, which are described in all dog breeds and are responsible for the brown coat colour, which is also known in some breeds as liver, chocolate, chestnut, sedge, and less frequently, red. Two copies of the b-allele are needed to dilute black pigment to brown. For red or yellow dogs, the brown allele does not dilute the hair colour, but will change the colour of nose and foot pads from black to brown if two brown alleles are present.
When one of the variants is found homozygous (bd/bd, bc/bc or bs/bs), dark pigment (eumelanin) is diluted to brown in the pigmented areas. However, when several variants of the B-locus are found in heterozygous state (example N/bd and N/bc), it is not always possible to directly determine the influence on the eumelanin because this depends on whether the variants are located on the same or different chromosmes, however, the dog will definitely pass the variants to its offspring.
Australian Shepherd and Lancashire Heeler Please note there are two additional rare variants, which are not analysed in this test. The 'b4' variant which is only found in few Australian Shephered lines, and the 'be' variant which is only found in Lancashire Heeler, and therefore for a complete analysis in Australian Shepherd and Lancashire Heeler, you need to order this test in addition to the rare variant test . You can take advantage of our special offer 'second coat colour test at half price (excluding bundles)'.
French Bulldog
In French Bulldog, in addition to the B-locus, the Cocoa gene is also responsible for the brown coat colour, and therefore, in addition to this test you also need to order the Cocoa coat colour test . You can of course take advantage of our special offer 'second coat colour test at half price (excluding bundles)'.
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Price
for the above 3 tests
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£ 132.00 (including VAT)
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