蛾子产的卵怎么变成蚕

蛾子产的卵怎么变成蚕
2025-01-23 13:11:34
推荐回答(5个)
回答1:

蚕的成虫(蚕蛾)蛹经过13~14天变成蛾,破茧而出。 蚕蛾产卵后,蚕卵必须经过催青,才能孵化。将蚕卵即蚕种放置、保护在适宜的温度、湿度、光线条件中,促使蚕卵内胚子的顺利发育,转青孵化。其目的在于确保孵化齐一,蚁蚕体质强健,并能按预定日期收蚁饲养。

家养蛾子产的卵:

如果是在南方的话,在蚕产卵后将卵放在阴暗处比如大橱底下,千万别放到太阳下曝晒,紫外线的杀伤力是很大的,,卵上也不用盖棉花,空气不通畅对卵不好,而且孵出的小蚕还没蚂蚁大,到时候很难从上面分离下来。

其实就是模拟自然环境,蚕卵一般都是被叶子树枝遮住,晒不到太阳的。卵放阴凉处什么都不用做,到第二年春天农历惊蛰,打第一次雷的时候,自然就会有蚕蚁孵出来。刚孵出的很小,不能用手拿,将桑叶剪成条放在卵上,蚕自己会爬上来,转移到其他箱中即可。

把蚕卵轻轻地放进一个有盖子的纸盒子里,盒子里要垫一张餐巾纸。(放蚕卵时动作一定要轻!)在盖子上扎几个小洞,(多一点。)每天洒一点清水进去,(一点点,不要太多。)把装蚕卵的盒子放在25摄氏度的地方(差不多2摄氏度的也行,温度不要太高也不要太低。)蚕卵很脆弱,要保护好。

扩展资料:

蚕的生活习性:

蚕是变态类昆虫,最常见的是桑蚕,又称家蚕,以桑叶为食料的吐丝结茧的经济昆虫之一。桑蚕起源于中国,其发育温度是7~40℃,饲育适温为20~30℃。蚕宝宝以桑叶为生,不断吃桑叶后身体变成白色,一段时间后它便开始脱皮。脱皮时约有一天的时间,如睡眠般的不吃也不动,这叫“休眠”。经过一次脱皮后,就是二龄幼虫。它脱一次皮就算增加一岁,幼虫共要脱皮四次,成为五龄幼虫,再吃桑叶8天成为熟蚕,开始吐丝结茧。

回答2:

1、蚕的一生:卵—幼虫—蛹——蛾,蛾下卵,死亡。

2、蚕的成虫(蚕蛾)蛹经过13~14天变成蛾,破茧而出。

3、蚕蛾产卵后,蚕卵必须经过催青,才能孵化。

所谓催青就是把蚕种保护在适宜的温湿度等条件下,使蚕种胚胎发育孵化出小蚕的这一技术操作过程。催青时间通常春季需要10-11天,夏秋季需要8-9天。

4、家庭少量养蚕,一般都是让其自然孵化。

在消毒好的蚕室内,将蚕种平铺于蚕匾中,卵面向上,第1—4天要求室温24℃,干湿差2—2.5℃,第5—10天要求室温27℃,干湿差1.5—2℃。当胚子发育到后期,发现有少量蚕卵呈青色小点时,立即把蚕种用黑布遮暗,约经过40小时即第三天黎明前4—5时,除去遮暗黑布,把蚕种用白纸包好,卵面向上,开灯感光,让蚁蚕咬破卵壳孵化出来。

回答3:

把附有蚕卵的纸放在36度左右的地方 几天就会孵化出来的

回答4:

孵化后就变成蚕仔

回答5:

是不是温度高?

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