Which specific solid colors are explicitly excluded as disqualifications under the UKC standard for American Bulldogs?
Answer
Solid black, solid blue, tricolor, and merle.
Coloration in the American Bulldog exhibits significant variation, with white being the preferred base color, often mixed with patches of tan, brown, or brindle. However, the UKC standard is specific about which solid colors and patterns are unacceptable. Explicitly listed as disqualifications are solid black coats, solid blue coats, tricolor patterns (combining three distinct colors), and the merle pattern. Additionally, even if a dog has acceptable dark brindle markings, a full black mask is deemed unacceptable, although evidence must confirm the coat is not simply a dark brindle appearing black in low light.

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