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Wendy Davidson
Email: laidbacklabs@bigpond.com


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Exercise Induced Collapse

Exercise-Induced Collapse (EIC) is an autosomal recessive genetic disorder causing affected dogs to suffer from a loss of muscle control following periods of extreme exercise.

Breeding dogs with EIC

Following is a breakdown of what EIC test results mean:

  • Carriers: Dogs carry 1 of the mutant EIC genes. They do NOT have EIC and will never “collapse”.
  • Affected: These dogs have 2 of the mutant EIC genes. Affected dogs might collapse – but might exhibit any outward signs of the condition.
  • Clear: These dogs don’t carry any mutant EIC genes at all.
So when breeding you don’t want to breed two carriers together, or two affected together, or an affected to a carrier. ALWAYS have a clear dog in the breeding. Here is what has been found.

  • A Clear dog to a Clear dog = Clear puppies
  • A Clear dog to a Carrier dog = ½ Clear and ½ Carrier puppies
  • A Clear dog to an Affected dog = All Carriers
  • A Carrier dog to a Carrier dog = ½ Carriers ¼ Clear and ¼ Affected (Shouldn’t breed)
  • A Carrier dog to an Affected dog = ½ Carrier and ½ Affected (Shouldn’t breed)
  • An Affected dog to an Affected dog = All Affected (Shouldn’t breed)
So the bottom line to all of this madness is to try to breed all clear puppies, and avoid breeding any affected puppies.

Dee and Sao are clear via parentage