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Maine Coon Coefficient of Inbreeding not mentioned on CFA and TICA websites but is mentioned by GCCF

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This information might interest Maine Coon aficionados i.e. those people who are really into the Maine Coon cat. It's about inbreeding which is measured by the inbreeding coefficient (COI). Sarah Hartwell very usefully provides a diagrammatic chart of the coefficient of inbreeding. It is a scale of 0 to 1 but is often presented as a percentage. So, for example, when siblings are bred to each other the coefficient of inbreeding is 25% and when first cousins are bred to each other the coefficient of inbreeding is 6.25%. COI chart as presented by Sarah Hartwell on her website messybeast.com . Inbreeding depression When breeders inbreed their cats too much it can cause what the cat fancy describes as inbreeding depression which is a compromised immune system and even anatomical defects such as you see in the white tiger. The white tiger by the way is heavily inbred. Inbreeding depression means ill health basically and a shorter lifespan and weak kittens et cetera. It's what you wou...

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