Australian Cavalier Health

Dedicated to improving Cavalier King Charles heart health through increasing the occurrence of the NEBL3 (AG/GG) gene

Category: Science

  • What is Myxomatous Mitral Valve Disease (MMVD)?

    Myxomatous mitral valve disease (MMVD) is a progressive cardiac condition, most common in dogs (and seems effect CKCS especially), where the mitral valve degenerates, leading to its distortion and an…


  • What is a heart murmur?

    A heart murmur is a type of abnormal sound that can be detected when listening to the heart with a stethoscope (a procedure called auscultation). Normally, we hear two distinct sounds. Medically…


  • What is NEBL3 (AG or GG) gene?

    The ” NEBL3 or AG” gene in Cavalier King Charles Spaniels serves as a genetic marker within the NEBL gene, offering  possible protection against early-onset Myxomatous Mitral Valve Disease (MMVD),…


About us

Cavalier Health is the website of a group of Cavalier King Charles Spaniel breeders working to improve the health of the breed through careful and coordinated breeding.

If you are a breeder looking to improve your genetics, or an owner looking to improve your Cavalier’s health and longevity, or someone thinking about buying a Cavalier King Charles Spaniel – join us!