Dog Long Hair In Samoyed (LH-S)

The Long Hair (LH) DNA test in Samoyed dogs is essential for breeders and owners aiming to understand coat genetics. This test identifies the presence of the LH gene responsible for long hair in Samoyeds, helping predict coat length in puppies. By using the Long Hair DNA test, breeders can make informed decisions to maintain breed standards or achieve desired traits. Accurate genetic testing ensures healthier litters and supports responsible breeding practices. If you want to know if your Samoyed carries the long hair gene, the LH DNA test is a reliable and easy option. Stay ahead in Samoyed care with this important genetic insight.

Abbreviation : LH-S

Analysed mutation : FGF5 c.578C>T

Inheritance : Autosomal Recessive

Acronym

LH-S

Observed frequency

Normal

Clinical classification

Hair-Related Traits

Analysed mutation

FGF5 c.578C>T
p.(A193V)

Mode of inheritance

Autosomal Recessive

Alternate name:

L Locus

Test summary:

The Long Hair (LH) DNA test in Samoyeds helps identify the genetic variant responsible for longer coat length. This test allows breeders to predict the coat type of puppies and make informed breeding decisions. Samoyeds typically have a dense, double coat, but the LH gene can cause noticeably longer fur. Understanding this genetic trait ensures maintaining breed standards and meeting owner preferences. Overall, the LH DNA test is a valuable tool in responsible Samoyed breeding.

Available from the pack : Standard

This DNA test is included starting from our pack Standard — and is also part of the packs Standard, Advanced, Complete.

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Choose the pack that best fits your breeding or health strategy of your animals.

Introduction to Long Hair in Samoyed (LH)

Long Hair in Samoyed (LH) is a genetic condition that manifests as an extended length of the coat in Samoyed dogs. This particular trait has garnered attention from breeders and dog enthusiasts due to its impact on the breed's aesthetic and grooming requirements. Understanding the genetic basis of this condition is crucial for breeders aiming to maintain the integrity of the breed standard.

Genetic Basis of Long Hair in Samoyed

The LH trait in Samoyeds is caused by specific genetic variations that affect hair growth and texture. This condition is linked to mutations in genes responsible for coat length, leading to variations in the hair follicles' growth cycles. The presence of these genetic markers can help predict the likelihood of a Samoyed developing long hair, allowing breeders to make informed decisions in their breeding programs.

Impact on Coat Characteristics

Dogs with the Long Hair trait exhibit a distinct coat that is often softer and may require different grooming regimes compared to their short-haired counterparts. The longer fur can contribute to a more luxurious appearance, but it also requires more maintenance to prevent matting and maintain overall health. Owners of long-haired Samoyeds may need to invest additional time and resources into grooming to ensure their dogs remain comfortable and free from skin issues.

Considerations for Breeders

For breeders, understanding the LH trait is essential in making strategic breeding choices. Breeding dogs that carry the long hair gene can result in a higher likelihood of producing offspring with similar coat characteristics. However, breeders must also consider the overall health and temperament of the dogs involved, as well as the breed’s standard, which primarily advocates for a double coat with a specific length and texture. Responsible breeding practices should always prioritize the well-being of the dogs over aesthetic preferences.

Conclusion

The Long Hair trait in Samoyeds is a fascinating aspect of this beloved breed, with significant implications for grooming, breeding, and overall care. As genetic testing becomes more accessible, breeders and owners can better understand and manage this condition, helping to ensure that Samoyeds maintain their characteristic beauty while also promoting health and well-being within the breed.

Breed recognized for the test : Long Hair In Samoyed (LH-S)

Akita
Samoyed

Interpretation of genotypes Genotype Status Learn more about the interpretation of genotypes FAQ: understanding the interpretation of result What does “Clear” mean? The animal does not carry the mutation. It will not develop the disease and will not pass it on. Is a “Carrier” serious? No. The animal is generally healthy but can transmit the mutation to its offspring. What if an animal is “Affected”? It carries two mutated copies. Clinical signs are expected depending on the disease. It should not be bred. Why are there differences between male / female? Some diseases are sex-linked, so their expression varies depending on the animal’s sex. The animal has two normal copies of the gene. No risk of developing or transmitting the disease. Heterozygous carrier: one mutated copy. The animal is usually not clinically affected but can pass the mutation to offspring. Male carrier or affected depending on the inheritance mode. Males have only one X or Y chromosome. Heterozygous female carrier: one mutated copy. She can pass the mutation on and may sometimes show mild clinical signs depending on the condition. Two mutated copies of the gene. The animal is at risk of developing the associated condition.

🧬 Interpretation of genotypes LH-S

Genotype

Status

🟡 S/S

Non-carrier - No effect

🟡 S/LH-S

Carrier - No effect

❌ LH-S/LH-S

Affected - Long Hair

FAQ: understanding the interpretation

What does “Clear” mean?

The animal does not carry the mutation. It will not develop the disease and will not pass it on.

Is a “Carrier” serious?

No. The animal is generally healthy but can transmit the mutation to its offspring.

What if an animal is “Affected”?

It carries two mutated copies. Clinical signs are expected depending on the disease. It should not be bred.

Why are there differences between male / female?

Some diseases are sex-linked, so their expression varies depending on the animal’s sex.

Genotype Forecast for Offspring Mother Father Non-carrier Carrier Affected Favorable cross: majority Carrier risk is predominant. Majority affected Filter by mother's genotype Filter by father's genotype All Predict Offspring The animal has two normal copies of the gene. No risk of developing or transmitting the disease. Heterozygous carrier: one mutated copy. The animal is usually not clinically affected but can pass the mutation to offspring. Male carrier or affected depending on the inheritance mode. Males have only one X or Y chromosome. Heterozygous female carrier: one mutated copy. She can pass the mutation on and may sometimes show mild clinical signs depending on the condition. Two mutated copies of the gene. The animal is at risk of developing the associated condition.

Predict Offspring

Filter by mother's genotype Filter by father's genotype

S/S (Non-carrier)

S/LH-S (Carrier)

LH-S/LH-S (Affected)

DNA Test FAQ

What does this DNA test detect?

This DNA test detects the mutation associated with Long Hair In Samoyed (LH-S) in order to identify clear, carrier, or at-risk animals.

Why test a breeding animal?

DNA testing helps breeders plan safer matings and reduce the risk of transmitting the mutation to offspring.

What is the inheritance mode of this test?

The inheritance mode reported for this test is Autosomal Recessive.

Which mutation is analysed in this test?

This test analyses the mutation FGF5 c.578C>T.

Is a carrier animal necessarily affected?

Not necessarily. Interpretation depends on the inheritance pattern and the resulting genotype.

References

Dierks C, Mömke S, Philipp U, Distl O. Allelic heterogeneity of FGF5 mutations causes the long-hair phenotype in dogs. Anim Genet. 2013 Aug;44(4):425-31. doi: 10.1111/age.12010. Epub 2013 Feb 6.

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