Although, both types derive from a common ancestry, there are marked differences between the two. First, while American Akitas are acceptable in all colors, Japanese Akitas are only permitted to be red, white, or brindle. Additionally, American Akitas may be pinto and/or have black masks, unlike Japanese Akitas where it is considered a disqualification and not permitted in the breed standards. This is an autoimmune disease which affects the thyroid gland.
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