But agility training can nevertheless be a great outlet for the energetic breed.
In 1995, however, the AKC officially recognized the breed.
There is no current diagnostic test or veterinary workup that can confirm Border Collie Collapse and the diagnosis is often given as a diagnosis of exclusion or based on clinical symptoms.
Once the two genes combine, the merle gene will dilute the dominant color, creating that distinguishable merle pattern.