马 泼白 SW4 (SW4)

按品种或临床分类过滤 DNA 测试

The Splashed White SW4 (SW4) DNA test is essential for horse breeders and enthusiasts aiming to identify this unique coat pattern gene. This genetic test detects the presence of the SW4 variant, responsible for the distinctive splashed white markings in horses. Understanding the SW4 gene helps in predicting coat colors and ensuring accurate breeding outcomes. The test is quick, reliable, and can be performed using a simple hair or blood sample. By using the Splashed White SW4 DNA test, breeders can enhance their breeding programs and maintain the health and diversity of their horses. Accurate identification of the SW4 gene also aids in registration and pedigree verification. Invest in the SW4 DNA test today to unlock valuable insights into your horse’s genetics.

缩写 ： SW4

分析突变： PAX3 c.95C/G

继承： 常染色体显性遗传

可从包装中获取： Standard

我们的包装中已包含此 DNA 测试 Standard — 也是包的一部分 Standard, Advanced, Complete。

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选择最适合您的动物繁殖或健康策略的包装。

Introduction to Splashed White SW4 (SW4)

Splashed White SW4 (SW4) is a genetic condition observed in horses, primarily characterized by distinctive coat patterns resulting from a specific mutation. This condition is part of a broader category known as white markings that horses can exhibit, which are often associated with various genetic factors. Understanding SW4 is essential for breeders and owners who aim to manage and maintain the health and appearance of their equine companions.

Genetic Basis of Splashed White SW4

The SW4 condition is caused by mutations in the MITF gene, which plays a crucial role in the development of melanocytes—cells responsible for pigment production in the skin and hair. The specific mutation associated with SW4 leads to a unique expression of white markings on the horse's coat, which can vary significantly from one individual to another. These markings typically present as large patches of white that may cover parts of the horse's body, often leaving areas of colored hair.

Phenotypic Characteristics

Horses with the SW4 mutation exhibit a range of phenotypic characteristics, including varying degrees of white markings. The coat patterns can include large, irregularly shaped white areas that may extend over the face, legs, and body. The presence of these markings can impact the horse's overall appearance and is often a point of interest for breeders and enthusiasts within the equine community.

对健康的影响

While the Splashed White SW4 condition is primarily noted for its aesthetic implications, it is important to consider potential health issues that may arise. Horses carrying the SW4 mutation may be predisposed to certain congenital conditions, particularly those affecting hearing and vision. Regular veterinary check-ups and monitoring for any signs of health complications are advisable for horses with this genetic trait.

DNA 检测的重要性

DNA testing for the SW4 mutation serves an important role in equine breeding programs. By identifying horses that carry the SW4 mutation, breeders can make informed decisions about mating practices to manage and potentially minimize the occurrence of undesirable traits. This genetic insight allows for the preservation of specific breed characteristics while considering the health and welfare of the horses involved.

结论

Understanding the Splashed White SW4 condition provides valuable insights into the genetic diversity and physical characteristics of horses. It highlights the importance of genetics in breeding practices and the potential health implications associated with specific mutations. As the equine community continues to advance in genetic research, the role of DNA testing will remain pivotal in promoting responsible breeding and ensuring the overall well-being of horses.

被认可参加测试的品种： 泼白 SW4 (SW4)

• Appaloosa

🧬 Interpretation of genotypes SW4

❓ 了解有关基因型解释的更多信息

常见问题解答：理解解释

“清晰”是什么意思？

该动物不携带突变。就不会发展成这种疾病 并且不会将其传递下去。

“航母”是认真的吗？

不会。该动物通常是健康的，但可以将突变传播给它的 后代。

如果动物“受到影响”怎么办？

它携带两个突变的副本。预计临床症状取决于 这种疾病。它不应该被培育。

为什么男性/女性之间存在差异？

有些疾病与性别相关，因此其表现因性别而异 动物的性别。

预测后代

DNA 测试常见问题解答

这个 DNA 测试检测到什么？

This DNA test detects the mutation associated with Splashed White SW4 (SW4) in order to identify clear, carrier, or at-risk animals.

为什么要测试繁殖动物？

DNA 测试有助于饲养员计划更安全的交配并降低将突变传播给后代的风险。

这个测试的继承模式是什么？

该测试报告的遗传模式是常染色体显性遗传。

此测试分析哪种突变？

This test analyses the mutation PAX3 c.95C/G.

携带动物是否必然受到影响？

未必。解释取决于遗传模式和产生的基因型。

参考

Hauswirth Regula, Jude Rony, Haase Bianca, Bellone Rebecca R, Archer Sheila, Holl Heather, Brooks Samantha A, Tozaki Teruaki, Penedo Maria Cecilia T, Rieder Stefan, Leeb Tosso. Novel variants in the KIT and PAX3 genes in horses with white-spotted coat colour phenotypes. Anim Genet. 2013 Dec;44(6):763-5. doi: 10.1111/age.12057. Epub 2013 May 9.