Is there any way to estimate the percentage affected by CH, coloboma or more severe forms of CEA in Tollers?
At this time there is not enough evidence to predict the percentage of Tollers affected by CH, coloboma or more severe forms of CEA in Tollers. We have heard of cases of coloboma in the US and are now aware of several cases from overseas, but coloboma are relatively uncommon affecting only a few Tollers each year. However if breeding stock is not checked, the carrier rate for CEA could climb and we would likely see more cases of coloboma and perhaps retinal detachments, hemorrhaging and even blindness.
Related Questions
- What is the percentage of genotype affected presenting themselves as go normals as opposed to the more severe forms of the genotype and why the differentiation?
- Is there any way to estimate the percentage affected by CH, coloboma or more severe forms of CEA in Tollers?
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