怀卵量

huái luǎn liàng
  • brood amount
怀卵量怀卵量
怀卵量[huái luǎn liàng]
  1. 产卵季节在5月,怀卵量和壳宽呈线性关系。

    The spawn season is in June , and the brood amount is positive to carapace .

  2. 雌蜂平均怀卵量为43粒,产卵高峰在交配后的12h内。

    Fecundity was 43 on average and the peak of oviposition occurred within 12 hours after mating .

  3. 平均怀卵量2451粒/尾。

    The mean value of fecundity is 2451 individuals .

  4. 利用饲喂不同食物的方法记录蜂的寿命和雌蜂怀卵量。

    The longevity and pregnant eggs of females were recorded by feeding different kind of foods .

  5. 在虹鳟老龄化前,随着年龄的增长,虹鳟的绝对怀卵量、卵径均有所上升。

    The absolute fecundity , the diameter of egg increased with advancing age before aging . 4 .

  6. 无机盐含量与胶被厚、死亡率、怀卵量、个体泌胶量有一定关系。

    Content of amid of host tree has obvious relationship with thickness of raw lac , mortality and fecundity of Kerria lacca .

  7. 性成熟的个体一生可产4-5个卵囊,而每个卵囊中的怀卵量可达几十个到几百个。

    Mature individuals may spawn 4-5 oocysts during the whole life and the amount of eggs of each oocyst vary from dozens to hundreds .

  8. 人工捕捉是目前较为成熟的成虫防治技术,前期和盛期捕捉到的雌虫大多数怀卵量较大。

    Artificial catching was a matured technology to control adults currently , and most females caught at early and peak stages had a large amount of eggs .

  9. 结果表明,成虫的怀卵量随着天数的增加而增多,并增加到一个最高峰,然后随着天数的减少而减少。

    The results show that adult fecundity increased with the increased in the number of days , and increased to a peak , with the number of days decreases .

  10. 对2004年3~5月选购的210尾野生黄鳝进行了体长、体重、年龄与性别及其雌鳝怀卵量进行测定分析。

    Two Hundred and ten wild mud eels in March-May of 2004 were measured on age , length , weight , sex , gonad development and amount of ovum cherished .

  11. 蜂蜜、蔗糖、葡萄糖均能有效地延长其成虫的寿命,并能提高其怀卵量和寄生率,其中以取食蜂蜜的效果最好。

    Sweet resources such as honey , sucrose , and glucose , especially honey , could prolong the longevity of adults , increase the fecundity and parasitism of females effectively .

  12. 测定了可数可量性状、肥满度、成熟系数、相对怀卵量、受精率和产卵率等。

    The countable and measurable properties , the fatness , the mature coefficient , relative fecundity , as well as the fertilized and the hatching ratio of each group were measured .

  13. 每雌的怀卵量平均71粒。

    The average amount of ovum for each female adult was 71 . During oviposition of female adults , many male adults were acting around or waiting to mate with them .

  14. 雌蛙怀卵量与自身体重和体长成正相关,表明该蛙通过增加个体大小增加繁殖输出。

    The number of eggs in coelom was closely related with the body mass and snout-urostyle length , which meant that the female frogs might increase reproductive outputs with increasing body size .

  15. 大刺鳅的繁殖习性属分批产卵类型,产卵期为4月底至11月初,产卵高峰为7月和9月,绝对怀卵量为1951.8粒,相对怀卵量为32.7粒/克,成熟系数23.0%。

    Spawning season for the end of April to the beginning of November , frequently occurs in July and September . The absolute fecundity is 1951 . 8 and the relative fecundity is 32 . 7 , the mature coefficient is 23 . 0 % .

  16. 个体相对生殖力r/W为4&25粒(平均9粒)。2)怀卵量和个体绝对生殖力与胴长、纯体重及缠卵腺重之间的关系均为直线正相关。

    ( mean number , 15 ) The individual relative fecundity r / W varies from , 4 to 25 . ( mean number , 9 ) 2.The number of eggs and individual absolute fecundity is a positive linear function of body length , net body weight and nidamental gland .