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成年鸭子怎么辨别公母
更新时间: 2020-07-12 00:00:00  

1、外形鉴别法:

雄鸭: 头大,身体圆,尾巴尖;

雌鸭:头小,身体扁,尾巴散开。

2、观鼻型:

雄鸭:鼻基粗硬,平面线明显有起伏,鼻孔窄小,沿嘴甲呈线状;

雌鸭:鼻基柔软,平面无起伏,鼻孔较大,略呈圆形。

3、鸣管鉴别法 :

鸣管又称下喉,位于气管分叉的顶部。雄鸭于此处有一膨大的球状鼓室,直径为3毫米左右,从体外胸前可看出,雌鸭则无此鸣管。

关键词: 成年 鸭子 怎么 辨别

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