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泰迪长出四颗犬牙大概几个月
更新时间: 2020-07-03 00:00:00  

是45天左右的泰迪幼崽。

看牙齿推断泰迪的年龄:

4至6周龄:乳门齿长齐。将近2月龄时,乳齿全部长齐,呈白色,细而尖。

2至4月龄:更换第一乳门齿。

5至6月龄:换第二、三乳门齿及乳犬齿。

8月龄以后:全部换上恒齿。

l岁:恒齿长齐,洁白光亮,门齿上都有尖突。

关键词: 犬牙 大概

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