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狗狗多大才算成年

更新时间: 2020-08-15 00:00:00     

狗一年左右算成年。判断狗的年龄,主要依靠牙齿的生长情况、面部表情、外形颜色:

牙齿,狗生后十几天即生出乳齿,两个月以后开始由门齿、犬齿、臼齿逐渐换为恒齿,8至10个月恒齿换齐,但需要1岁半以后牙齿才能生长坚实。面部表情,年龄在一岁左右的狗,表情活跃,目光有神、好动。2至4岁的狗,亲切近人、精神焕发、热情。外形颜色,不同品种狗的毛颜色不同,但一岁左右的狗的毛颜色更加立体、有光泽,比其他年龄段的毛发更加柔顺。

关键词: 成年

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