What significant health risk arises from breeding two merle-patterned Koolies together?

Answer

High risk of producing deaf or blind offspring

Breeding two merle dogs together creates a high risk of producing offspring that are deaf or blind due to issues related to gene expression.

What significant health risk arises from breeding two merle-patterned Koolies together?

#Videos

Australian Koolie - Top 10 Facts - YouTube

DogbreedHerdingKoolie