狗狗的牙齿

狗狗的牙齿在20天左右就会开始生长,在一到两个月时,狗狗乳齿逐渐发育完全,此后的几个月内狗狗会不断换牙,差不多在狗狗九个月大时,狗狗完成换牙。狗狗在牙齿生长期间可以多给狗狗饲喂一些营养膏、钙质含量比较丰富的食物,促进牙齿发育。

狗狗一共有42颗牙齿,包括12颗门齿、4颗犬齿、16颗前臼齿、10颗臼齿。狗狗在3月龄左右,就会开始换牙,6月龄左右,其犬齿就全部更换完毕,到8-12月龄左右,其所有牙齿就基本换完了,到了10岁左右,狗狗的牙齿就会开始掉落,狗狗也步入了老年期。

狗狗的牙齿

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