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The Truth About Cryptic Merle Border Collies
The Hidden World of Cryptic Merle Border Collies: What Every Owner Needs to Know Imagine adopting a sleek, solid-black Border Collie puppy, only to discover years later that their DNA holds a secret—phantom merle genes that could surprise you (and future litters) with mottled blue pups. Welcome to the enigmatic realm of cryptic merle Border…