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Information Journal Paper

Title

EFFECT OF DIFFERENT CONCENTRATIONS OF FILAMENTOUS ALGAE, OSCILLATORIA SPP. ON GROWTH AND REPRODUCTION FACTORS OF MARINE ROTIFER BRACHIONUS PLICATILIS

Pages

  137-146

Abstract

 Introduction: In recent years the use of rotifers as live food for rearing fish larvae and crustacean is very important. Rotifer has good characteristics such as size, nutritional value, slow swimming and these features are important in the development of early stage of aquatics. Growth and density are considered as important factors in the production of rotifers.Materials and methods: In this study, the effect of three different concentrations (1.5´106, 3´106, 4.5´106 cell/ml-1) of filamentous algae, Oscillatoria spp., on GROWTH AND REPRODUCTION of marine rotifer, Brachionus plicatilis was investigated. The rotifers were cultured in standard conditions in 500 ml plastic containers. The initial density of rotifers in different treatments was 30 ind/ml.Results: At the end of the fifth day, the highest density (453.66 ± 6.33) (M±SE) was seen in high concentration (4.5´106 cell.ml-1), which were significantly (P<0.05) higher than the other two treatments. Specific growth rate were significantly greater at medium (3´106 cell.ml-1) and high (4.5´106 cell.ml-1) concentrations than low concentrations (1.5´106 cell.ml-1) of filamentous algae (P<0.05). However, no significant differences were observed between the two treatments of medium and high concentrations. The maximum number of eggs (113±4.72) and egg-bearing females (102±5.03) were observed in treatment of 4.5´106 cell.ml-1 at fourth day. Most of the egg rate was observed in the second and third days of treatment with medium concentration of filamentous algae (P<0.05).Discussion and conclusion: The present study showed that filamentus algae, Oscillatoria spp. can be used in culturing of marine rotifer and changing different concentrations can produce different density of rotifers.

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    APA: Copy

    AHMADI, AHMAD, & AHMADIFARD, NASROLLAH. (2016). EFFECT OF DIFFERENT CONCENTRATIONS OF FILAMENTOUS ALGAE, OSCILLATORIA SPP. ON GROWTH AND REPRODUCTION FACTORS OF MARINE ROTIFER BRACHIONUS PLICATILIS. BIOLOGICAL JOURNAL OF MICROORGANISM, 5(19), 137-146. SID. https://sid.ir/paper/237424/en

    Vancouver: Copy

    AHMADI AHMAD, AHMADIFARD NASROLLAH. EFFECT OF DIFFERENT CONCENTRATIONS OF FILAMENTOUS ALGAE, OSCILLATORIA SPP. ON GROWTH AND REPRODUCTION FACTORS OF MARINE ROTIFER BRACHIONUS PLICATILIS. BIOLOGICAL JOURNAL OF MICROORGANISM[Internet]. 2016;5(19):137-146. Available from: https://sid.ir/paper/237424/en

    IEEE: Copy

    AHMAD AHMADI, and NASROLLAH AHMADIFARD, “EFFECT OF DIFFERENT CONCENTRATIONS OF FILAMENTOUS ALGAE, OSCILLATORIA SPP. ON GROWTH AND REPRODUCTION FACTORS OF MARINE ROTIFER BRACHIONUS PLICATILIS,” BIOLOGICAL JOURNAL OF MICROORGANISM, vol. 5, no. 19, pp. 137–146, 2016, [Online]. Available: https://sid.ir/paper/237424/en

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