The main reason for the white ears of the Border Collie is the instability of the melanin gene, as long as the overall white hair of the Border Collie does not exceed 30% of the body can not be considered out of order. However, people generally follow the principle of “seven white and three through” when selecting, that is, the limbs, tail tip, nose line, scarf these seven places are white, and nose line white and chest connected, limbs white and abdomen connected, chest and neck connected, but this is not the only standard, because international standards in the border shepherd’s character, pace and body structure is the main This is not the only criterion, because the international standard of the border collie’s character, pace and body structure are the main characteristics. The reason for this is because even if you are a full collar parent with seven white and three through, there is still the possibility of having a broken neck collar, which is mainly the natural precipitation of pigmentation and has little to do with the collar’s pedigree, the competition standard, the color of the coat is not the main judging indicator, or even an important indicator, so the collar’s ears hanging white does not mean anything, but mainly depends on the whole body’s The white color of the body is the most important factor.
