天气预报 > 其他 > 红卡奴鸽子怎样辨认公母
红卡奴鸽子怎样辨认公母
更新时间: 2020-06-28 00:00:00  

红卡奴鸽子鉴别方法:

胚胎鉴别法,受精蛋孵化4,5天,在灯光下观察,胚胎基轴线两侧血丝对称,呈现蜘蛛形状的为雄性胚胎,胚胎两侧血丝不对称,一边丝长且多,一边丝短且少的为雌性胚胎;外形比较鉴别,在同一窝乳鸽中,生长快,体型大,颈短粗,鼻瘤大而扁平,脚粗壮,喙长而宽,尾脂腺尖端叉开者为雄鸽,10日龄后,把手伸到乳鸽面前,反应灵敏,啄人手指者为雄鸽,当会走时,走动表现活泼,好动,常离开鸽巢者,头粗大,喙阔厚而稍短,当亲鸽哺喂时,争先吃食者为雄鸽,相反为雌鸽;肛门鉴别,在4,5日龄前,翻肛门观察其形状

关键词: 鸽子 怎样 辨认

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