东风螺
- 网络Babylonia;Babylonia sp
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本文报道了方斑东风螺人工育苗试验。
This paper reported experiments on the artificial propagation of Babylonia .
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方斑东风螺吻管水肿病病原菌的初步研究
Preliminary study on the pathogenic bacteria isolated from proboscis edema-diseased Babylonia areolata
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方斑东风螺Babyloniaareolata(Lamarck)室外水泥池养殖技术
Farming Technique for Babylonia areolata ( Lamarck ) in Outdoor Tank
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在水温22.5~25.6℃和充气条件下,台湾东风螺受精卵在卵囊内完成胚胎发育破囊孵出的时间为7d,孵化率为95%以上。
When aerating and the water temperature was between 22.5 ℃ and 25.6 ℃, the embryo developed and hatched out in 7 days and the rate of hatchability was 95 % and higher .
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亚硝酸盐氮对方斑东风螺毒性的研究
Study on the toxicity of nitrite nitrogen to Babylonia areolata
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方斑东风螺规模化苗种繁育技术研究
Technology for Large-scale Breeding of Spiral Shell Babylonia areolata
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方斑东风螺对饲料蛋白质需要量的研究
Studies on Protein Requirement of Babylonia areolata Link
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温度与盐度对方斑东风螺胚胎发育及幼虫生长的影响
Effects of temperature and salinity on embryos development and larval growth of Babylonia areolata
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不同蛋白源饲料对方斑东风螺生长的影响
Effects of the Different Protein Sources in Practical Diets on Ivory Shell , Babylonia areolata Link
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对室外水泥池养殖方斑东风螺的生长特性进行了研究。
In this paper , the growth characteristics of Babylonia areolata in outdoor tank-culture was studied .
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本文采用突变和渐变两种方法分别研究了温度和盐度对波部东风螺胚胎发育的影响。
Effects of temperature and salinity on embryonic development of Babylonia formosae habei were studied by two approaches .
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不同糖源对方斑东风螺生长、饲料利用和消化酶活性的影响
Effect of Dietary Carbohydrate Sources on Growth , Feed utilization and Digestive Enzymes Activities of Juvenile Ivory Shell Babylonia areolate
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与其他学者的研究结果不同,本研究未发现东风螺属种类的齿舌具有种特异性。
The results indicate that the radular teeth of Babylonia species are not species-specific , which disagrees with previous reports .
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盐度、个体大小以及二者的交互作用均对方斑东风螺的排氨率有显著的影响(p<0.01)。盐度在13&28之间时,3组方斑东风螺的排氨率随着盐度的升高而增加;
Individual size , salinity and interaction of the both all had significant effects on ammonia excretion rate ( N ) ( p < 0.01 ) .
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采用突变和渐变两种实验方法检验了盐度对波部东风螺幼虫存活、生长和变态的影响。
Effects of salinity on larval survival , growth and metamorphosis of Babylonia formosae habei were examined by using two experimental approaches , gradually changed and abruptly changed .
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试验结果表明,台湾东风螺亲螺在繁殖初期日摄食量为1.5%以上,最高可达3.0%,但繁殖盛期摄食量减少。
In the early stage of reproduction , the amount of food consumed by the parent with 24 hours was over 1.5 % and the highest value was 3.0 % . But this number declined in the flourishing stage of reproduction .