EFFECT OF LIGHT INTENSITIES ON GROWTH AND REPRODUCTIVE OF ROTIFER BRACHIONUS ROTUNDIFORMIS

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JAVAHERI BABOLI M.; HOSSEINI S.J.

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Journal: Journal of Aquaculture Development Year:2015 | Volume:9 | Issue:1 Page(s): 1-9

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Title

EFFECT OF LIGHT INTENSITIES ON GROWTH AND REPRODUCTIVE OF ROTIFER BRACHIONUS ROTUNDIFORMIS

Author(s)

JAVAHERI BABOLI M. | HOSSEINI S.J. | Issue Writer Certificate

Keywords

ROTIFERQ2

BRACHIONUS ROTUNDIFORMISQ2

LIGHTQ2

LORICAQ2

EGGQ2

Abstract

In this trial, the effect of the different LIGHT intensities were studied on ROTIFER culture (Brachionus rotundiformis).Treatments consist of 10 ml vials that contained 3 ml marine algae Nannochloropsis oculata at a density of 12×106cell.ml-1 and inoculated with ROTIFERs at a density of 10 individuals. ml-1 in different LIGHT intensities (200, 1000, 2000, 3000, 4000, 5000 and 7000 lux) and All of the the culture conditions (temperature 28o-32o, salinity 25ppt, pH7.9-8.1, algal density and ventilation was done by manual shaking of vials) were stable excepted LIGHT intensity. The result of the experiment show that the LIGHT intensity has not significant on ROTIFER density after 12 h (p>0.05). The compare of the ROTIFER density after 24 h indicated the Maximum of the ROTIFER obtained in 3000 lux treatment (34±8.71) that has a significant of all treatments excepted 4000 lux (p<0.05).The study on the ROTIFER calture after 36, 48, 60 and 72 h, showed that the more density of the ROTIFER was 3000 lux treatment that has significant with other treatments (p<0.05) and so after 72h, 255±19 ROTIFERs per ml was obtained in a 3000 lux.so statistical analysis of the EGG ROTIFER showed that has a significant of all treatments after 12 to 72 h in the different LIGHT intensities (p<0.05) and the maximum of EGG production was obtained in 3000 lux (122±41.5) and the minimum of that was obtained in 7000 lux (4.00±1.0). The index of the LORICA and EGG diameter have no significant among treatments in a all of the period experiments (p>0.05). After 72h The minimum of ROTIFER production was obtained in 7000 lux (57.6±20.5) and the maximum of that was obtained in 3000 lux (255±19). As a result with increasing LIGHT intensity (3000lux), the ROTIFER density also increased but it decreased in higher LIGHT intensity.

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APA: Copy

JAVAHERI BABOLI, M., & HOSSEINI, S.J.. (2015). EFFECT OF LIGHT INTENSITIES ON GROWTH AND REPRODUCTIVE OF ROTIFER BRACHIONUS ROTUNDIFORMIS. JOURNAL OF AQUACULTURE DEVELOPMENT, 9(1), 1-9. SID. https://sid.ir/paper/242015/en

Vancouver: Copy

JAVAHERI BABOLI M., HOSSEINI S.J.. EFFECT OF LIGHT INTENSITIES ON GROWTH AND REPRODUCTIVE OF ROTIFER BRACHIONUS ROTUNDIFORMIS. JOURNAL OF AQUACULTURE DEVELOPMENT[Internet]. 2015;9(1):1-9. Available from: https://sid.ir/paper/242015/en

IEEE: Copy

M. JAVAHERI BABOLI, and S.J. HOSSEINI, “EFFECT OF LIGHT INTENSITIES ON GROWTH AND REPRODUCTIVE OF ROTIFER BRACHIONUS ROTUNDIFORMIS,” JOURNAL OF AQUACULTURE DEVELOPMENT, vol. 9, no. 1, pp. 1–9, 2015, [Online]. Available: https://sid.ir/paper/242015/en

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