Collie Question

I was just wondering if it was ok to breed two blue merle rough collies together or does it...


I was just wondering if it was ok to breed two blue merle rough collies together or does it cause a bad gene like in breeding roan on roan guinea pigs!? thanks

    In Collie - Asked by Anonymous - 2/23/2012 4:08:01 PM
You may get some ok puppies, you will definetely get some with the lethal double merle gene. Inheriting a merle gene from each parent. It causes blindness, deafness, white colors and fatal birth defects.
    Answered by wywildfire - 2/28/2012 1:52:25 PM
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You really shouldn't unless you have had the parents tested for colors.They do that in Canada when you submit a blood sample for grey collie sydrome.But they do charge extra for theat test.
    Answered by collies4u - 5/29/2012 9:46:17 PM
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Yes it is the same as the roan to roan or dalmatian to dalmatian breedings in guinea pigs. I'm a cavy judge and also have a friend that raises collies. You should not breed two blue merles together unless you are prepared to find pet homes or put to sleep some of the puppies. In this breeding some of the puppies will be blind and or deaf. Thanks Valerie
    Answered by Anonymous - 7/2/2012 9:49:48 AM


I did research on breeding blue merles and I contacted all the experts I could find. Not only is it not okay to breed two blue merles together, apparently a blue headed white and a sable merle also have the merle gene and it is not safe to breed them to another merle. The risk of disabled and deformed puppies is just not worth it.
    Answered by nccollies - 6/25/2013 8:22:21 PM