What health issue is cited as having a higher predisposition in Catahoulas, especially those with extensive white or merle patterning, linked to the merle gene?

Answer

Congenital deafness

Due to the gene responsible for their merle coloring, Catahoulas can have a higher predisposition toward congenital deafness, particularly dogs with extensive white or merle patterning.

What health issue is cited as having a higher predisposition in Catahoulas, especially those with extensive white or merle patterning, linked to the merle gene?

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