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八哥犬怎么看年纪

八哥犬怎么看年纪

一般八哥犬通过牙齿状态判断年龄,20天左右牙齿长出来,直至2个月乳齿全部长齐,2-6个月更换乳齿;8个月过后牙齿全部换上恒齿,1岁时恒齿生长完整;1 5-10岁开始齿尖峰磨灭,10岁过后犬齿开始脱落。

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