O que significa “Limpar”?
O animal não carrega a mutação. Não desenvolverá a doença e não vai passar adiante.
Cavalo Hipertermia Maligna Equina (HM)
Equine Malignant Hyperthermia (MH) is a genetic condition that poses significant risks during anesthesia in horses. Our comprehensive DNA test identifies the presence of the MH gene, allowing early detection and management of this condition. By understanding your horse's genetic predisposition, you can take proactive measures to ensure their safety during surgical procedures. This test is crucial for breeders, trainers, and veterinarians who prioritize equine health. With accurate results, you can make informed breeding decisions and reduce the risk of MH-related complications. Invest in your horse's well-being today with our reliable Equine Malignant Hyperthermia DNA test. Ensure a healthier future for your equine companions!
Abreviatura: MH
Mutação analisada: RYR1 c.7363C/G
Herança: Autossômico Dominante
Acrônimo
MH
Frequência observada
Gravidade clínica
Classificação clínica
Doenças Musculares
Mutação analisada
RYR1 c.7363C/G
p.(R2455G)
p.(R2455G)
Modo de herança
Autossômico Dominante (Incompleto)
Resumo do teste:
Equine Malignant Hyperthermia (MH) is a genetic disorder in horses that leads to a severe reaction to certain anesthetics and stress. It is characterized by a rapid increase in body temperature, muscle rigidity, and metabolic disturbances. Affected horses may exhibit symptoms during or after anesthesia, which can be life-threatening if not promptly addressed. The condition is linked to a mutation in the ryanodine receptor gene, affecting calcium regulation in muscle cells. Management involves avoiding triggering agents and implementing preventive measures for at-risk horses.
Disponível no pacote: Basic
Este teste de DNA está incluído a partir do nosso pacote Basic - e também faz parte dos packs Basic, Standard, Advanced, Complete.
Ver pacotes de teste de DNA →Escolha o pack que melhor se adapta à sua estratégia de criação ou saúde dos seus animais.
Understanding Equine Malignant Hyperthermia (MH)
Equine Malignant Hyperthermia (MH) is a genetic disorder in horses characterized by a severe and potentially fatal reaction to certain anesthetic agents and stress. This condition is classified as a hypermetabolic response, leading to a rapid increase in body temperature, muscle rigidity, and a cascade of metabolic derangements. The onset of MH can occur during anesthesia or strenuous exercise, making it crucial for horse owners and veterinarians to be aware of its implications.
Genetic Basis of Equine Malignant Hyperthermia
MH in horses is primarily linked to a mutation in the ryanodine receptor gene (RYR1), which plays a vital role in calcium regulation within muscle cells. This mutation causes an abnormal release of calcium, resulting in muscle hypercontraction and increased metabolic activity. As a consequence, affected horses experience elevated temperatures and muscle damage, which can lead to serious health complications if not promptly addressed.
Symptoms and Clinical Signs
The clinical signs of Equine Malignant Hyperthermia can vary but typically include a sudden rise in body temperature, increased heart and respiratory rates, muscle stiffness, and sweating. In severe cases, horses may exhibit signs of distress such as tremors, excessive salivation, and even collapse. These symptoms can escalate quickly, necessitating immediate veterinary intervention to manage the condition effectively.
Diagnosis of Equine Malignant Hyperthermia
Diagnosis of Equine Malignant Hyperthermia is often achieved through a combination of clinical observation and genetic testing. The DNA test for MH is a valuable tool that identifies the presence of the specific mutation associated with the disorder. This testing allows for the identification of at-risk horses, enabling owners and veterinarians to make more informed decisions regarding anesthetic protocols and management strategies.
Gestão e Tratamento
Management of Equine Malignant Hyperthermia primarily focuses on prevention and preparedness. For horses diagnosed with the condition, it is crucial to avoid triggering factors such as certain anesthetics and intense physical stress. In the event of an MH episode, immediate treatment involves cooling the horse, administering intravenous fluids, and employing medications to stabilize heart rate and muscle function. Continuous monitoring is essential to ensure the horse's recovery and to address any complications that may arise.
Conclusão
Equine Malignant Hyperthermia is a serious condition that poses significant risks during anesthetic procedures and strenuous exercise. Understanding the genetic basis, recognizing clinical signs, and utilizing DNA testing are essential components in managing this disorder effectively. By being proactive, horse owners and veterinarians can significantly mitigate the risks associated with MH, ensuring the safety and well-being of affected horses.
Raça reconhecida para o teste: Hipertermia Maligna Equina (HM)
- Quarter Horse
🧬 Interpretation of genotypes MH
Genótipo
Status
🟡 N/N
Não portador - sem risco
🟡 N/MH
Transportadora - em risco
❌ MH/MH
Afetados - Em risco
FAQ: entendendo a interpretação
Um “transportador” é sério?
Não. O animal é geralmente saudável, mas pode transmitir a mutação ao seu descendência.
E se um animal for “afetado”?
Ele carrega duas cópias mutadas. Os sinais clínicos são esperados dependendo a doença. Não deveria ser criado.
Por que existem diferenças entre homem/mulher?
Algumas doenças estão ligadas ao sexo, pelo que a sua expressão varia dependendo do sexo do animal.
Prever descendência
N/N (nao-portador)
N/MH (Operadora)
MH/MH (Afetado)
Perguntas frequentes sobre testes de DNA
O que este teste de DNA detecta?
This DNA test detects the mutation associated with Equine Malignant Hyperthermia (MH) in order to identify clear, carrier, or at-risk animals.
Por que testar um animal reprodutor?
Os testes de DNA ajudam os criadores a planejar acasalamentos mais seguros e a reduzir o risco de transmissão da mutação aos descendentes.
Qual é o modo de herança deste teste?
O modo de herança relatado para este teste é Autossômico Dominante.
Qual mutação é analisada neste teste?
This test analyses the mutation RYR1 c.7363C/G.
Um animal portador é necessariamente afetado?
Não necessariamente. A interpretação depende do padrão de herança e do genótipo resultante.
Referências
Aleman Monica, Riehl Joyce, Aldridge Brian M, Lecouteur Richard A, Stott Jeffrey L, Pessah Isaac N. Association of a mutation in the ryanodine receptor 1 gene with equine malignant hyperthermia. Muscle Nerve. 2004 Sep;30(3):356-65. doi: 10.1002/mus.20084.