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生态生长效率
相关语句
  ecological growth efficiency
    STUDY ON THE ECOLOGICAL GROWTH EFFICIENCY OF FIVE MARINE FISHES
    5种海鱼的生态生长效率研究
短句来源
    The ecological growth efficiency of larvae is as high as 31. 8%.
    幼虫生态生长效率高达31.8%。
短句来源
  ecological growth efficiency
    STUDY ON THE ECOLOGICAL GROWTH EFFICIENCY OF FIVE MARINE FISHES
    5种海鱼的生态生长效率研究
短句来源
    The ecological growth efficiency of larvae is as high as 31. 8%.
    幼虫生态生长效率高达31.8%。
短句来源
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The growth experiments of five fishes, common Japanese conger (Astroconger mgriaster), Bartail flathead (Pistycephalus indicus ), Black porgy (Sporus macrocephalus ), spotbelly rockfish (Sebastes pochycephalus) and banded dogfish (Triakis scyllium), were carried out. It was concluded that the ecological growth efficiency of these fishes, feeding Diopatra neapolitana, Loligo beka and so on, were between 3. 833. 6%, and 16. 0% in average. The mean relative daily food consumption fluctuated between 1. 6-11. 5%....

The growth experiments of five fishes, common Japanese conger (Astroconger mgriaster), Bartail flathead (Pistycephalus indicus ), Black porgy (Sporus macrocephalus ), spotbelly rockfish (Sebastes pochycephalus) and banded dogfish (Triakis scyllium), were carried out. It was concluded that the ecological growth efficiency of these fishes, feeding Diopatra neapolitana, Loligo beka and so on, were between 3. 833. 6%, and 16. 0% in average. The mean relative daily food consumption fluctuated between 1. 6-11. 5%. In addition,' food coefficients, mean daily food consumption and mean daily increment of body weight were discussed in this paper.

在常温下进行星鳗(Astrocongermyriaster)、       (Platycephalus indicus)、黑鳗 (Sparus macrocephalus)、厚头平(Sebastes pachycephalus)和皱唇鲨(Triakis scyllium) 等五种鱼类的生长实验,得出这5种鱼类摄食巢沙蚕、火枪乌贼、斑 (碎块)、带鱼 (碎块)和玉筋鱼的生态生长效率波动于3.8~33.6%范围内,平均为16.0%,相对 平均日摄食量处于1.6~11.5%之间,另外,对饵料系数、平均日摄食量及平均体 重日增长量进行了探讨。

The numbers of eggs laid by the females of Tenebrio molitor L. reared monogamously, monarsenously and with different mating durations are surveyed to assess the fertility of each sex and provide scientific basis for inducing females to lay more high quality eggs. And in the larval stage,small amount additional fresh potatoes may promote the larval growth greatly. The growth may also be facilitated by keeping the larvae in suitable high density and frass is not screened when the larvae are younger than 40 days...

The numbers of eggs laid by the females of Tenebrio molitor L. reared monogamously, monarsenously and with different mating durations are surveyed to assess the fertility of each sex and provide scientific basis for inducing females to lay more high quality eggs. And in the larval stage,small amount additional fresh potatoes may promote the larval growth greatly. The growth may also be facilitated by keeping the larvae in suitable high density and frass is not screened when the larvae are younger than 40 days old,and after that frass should be screened and new bran added regularly. The optimal density depends on the feed quantity offered for certain larvae. The ecological growth efficiency of larvae is as high as 31. 8%.

对单配或一雄多雌或经历不同交配历期的雌黄粉虫 Tenebrio molitor L.产卵量进行了研究,以期了解两性的繁殖力,为雌虫多产高质量卵提供科学依据。在幼虫期添加少量鲜马铃薯可极大地促进其生长。适当的高密度和不筛粪有利于低龄幼虫生长,40日龄以后应定期筛粪并添加新饲料。幼虫的最适密度取决于其拥有的饲料量。幼虫生态生长效率高达31.8%。

 
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