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Kindly approved by Koolie Club of Australia Genetics

10-Apr-2007

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 Research has been carried out on a Genetic problem that Koolies have, this is deafness and or blindness in white pups, caused by the Merle Gene, we have discovered that breeding Merle to solid does control this problem and advise new breeders to look at introducing a solid into their breeding programs to insure safe resulting litters.

listed here are some sites that hopefully throw some light on the mystery of Genes and their effects. Just click on the underlined headings.

A little bit of Genetics goes a long long way.

  • Deafness
    • Congenital deafness, to be born deaf or to go deaf with in the first few weeks.
  • Pigment and Deafness
    • What may happen when breeding Merle to Merle
  • Cryptic Merle
    • Is your Koolie a Solid color - Tri - Bi or just a look a like and really a merle
  • Merle
    • How does the Koolie get its color
  • Dilutes colors
    • If your Koolie is grey, fawn or very light in color the Dilute gene may be the cause, this fact sheet showed me that mojo and charm both carry the dilute, it is a recessive(weak)gene and can be bred out of a bloodline, Diluted color does not effect the health or working ability of Koolies
  • Yellow and Sable
    • In my first litter I had 2 yellow pups now I know why. The Yellow or Sable color does not effect the health or working ability of the Koolie.
  • Genetics for Beginners
    • A simpler approach to the understanding of Gene influences on litters.
  • Breeding and Genetics
    • This site explains how it all happens.
  • Coat Colors
    • This site covers all color types, very simple to follow.
  • Coat Colors of the Australian Shepherd
    • Keep in mind that no, one, gene acts on its own, but in fact to arrive at any result many genes are involved.
  • Coat Colors of the Border Collie
    • The Collie is an ancestor of the Koolie and the Border, this is the Borders research on coat color.

It is important if you are serious about breeding the Koolie to try and understand a little of genetics, I know, some of these sites you have to take a cut lunch and an interpreter, but if you only understand a little, it could save you a lot of heart ache.

Breeding the Koolie is a mixed bag of hopes at the best of times, breeding in ignorants can be harmful,  continuing to cull healthy pups when genetics proves it is not necessary is criminal.  Most new breeders know little or nothing about the backgrounds of their Koolie, playing it safe is playing it smart.

As I discover more sites I will update this site and if you come across any good sites share them with us, then we can all succeed in preserving the Koolie breed.

 

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This site was last updated 04/10/07

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