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Breeds
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Labradoodle
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Labrador Retriever
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Kennel Club
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This test is part of the Official UK Kennel Club DNA Testing Scheme in Labrador Retriever.
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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Skeletal dysplasia 2 is a genetic disease in Labrador Retrievers that causes an early halt in growth of long bones. In contrast to other forms of dwarfism (pituitary dwarfism), the result is 'disproportioned' dogs with shortened front limbs and raising dorsal line. Torso length and depth is not altered.
Based on the latest knowledge, affected dogs do not exhibit further symptoms like malformed genitals or neuronal diseases as in pituitary dwarfism. (Picture courtesy of Prof. Tosso Leeb). |
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Description |
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LABOKLIN now offers a genetic test for Skeletal Dysplasia 2 (dwarfism) in Labrador Retriever. The test for the mutation has been developed by Prof. Dr. Leeb's and Prof. Dr. Lohi's group. The disease is most spread in hunting and working types of dog. Despite smaller and disproportioned body size, no further symptoms seem to occur.
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Trait of Inheritance |
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Autosomal recessive
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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 Dwarfism (Skeletal Dysplasia 2 / SD2 ). The dog will never pass the mutation to its offspring, and therefore it can be bred to any other dog.
Carrier
Genotype: N / SD [ 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 Dwarfism (Skeletal Dysplasia 2 / SD2 ) 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: SD / SD [ 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 Dwarfism (Skeletal Dysplasia 2 / SD2 ) and will pass the mutant gene to its entire offspring
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Price
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£ 48.00 (including VAT)
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