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戈敏生. 淡水青虾幼体发育的初步研究[J]. 水生生物学报, 1980, 4(2): 213-230.
引用本文: 戈敏生. 淡水青虾幼体发育的初步研究[J]. 水生生物学报, 1980, 4(2): 213-230.
Ge Minsheng. A PRELIMINARY STUDY ON THE LARVAL DEVELOPMENT OF FRESH-WATER PRAWN MACROBRACHIUM NIPPONENSE(DE HAAN)[J]. ACTA HYDROBIOLOGICA SINICA, 1980, 4(2): 213-230.
Citation: Ge Minsheng. A PRELIMINARY STUDY ON THE LARVAL DEVELOPMENT OF FRESH-WATER PRAWN MACROBRACHIUM NIPPONENSE(DE HAAN)[J]. ACTA HYDROBIOLOGICA SINICA, 1980, 4(2): 213-230.

淡水青虾幼体发育的初步研究

A PRELIMINARY STUDY ON THE LARVAL DEVELOPMENT OF FRESH-WATER PRAWN MACROBRACHIUM NIPPONENSE(DE HAAN)

  • 摘要: 作者观察了淡水青虾在实验室条件下幼体发育的情况。在幼体发育的全过程中,有的个体蜕皮9次,有的蜕皮11、14次。本文是描述蜕皮9次的个体的发育情况。从第一至第九期幼体以及后期幼体都附有详细的附肢图和部分整体图。幼体发育所需的时间随水温而变,在26.5±1.3℃条件下,幼体完成变态达到后期幼体需21天,在30.9±1-2℃仅需16天。

     

    Abstract: In China Macrobrachium nipponense (De Haan) is an important commercial fresh-water prawn, which is widely distributed in rivers, lakes and ponds. This paper describes the larval development of this prawn under laboratory condition. To complete the entire course of larval (levelopment, some larvae molt only ninetimes, others, however, molt 10, 11 or even 14 times. This report gives description ofthe 9-molting stage larval development, from first stage to ninth stage and postlarva,with detailed illustrations on the morphology of larvae and their appendages. The duration of larval development was governed by water temperature. Under26.5±1.3℃ the larvae accomplish their metamorphosis to the postlarval stage in 21 days,whereas under 30.9±1.2℃, they require only 16 days.

     

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