EFFECTS OF PHOTOTAXIS, LIGHT SPECTRUM AND PHOTOPERIOD ON SURVIVAL AND GROWTH IN RUTILUS FRISII KUTUM LARVAE

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IMANPOOR R.; KAMALI A.; HAJI MORADLOU ABD ALMAJID; BAHMANI MAHMOUD

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Journal: Journal of Agricultural Sciences and Natural Resources Year:2006 | Volume:13 | Issue:1 Page(s): 138-145

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Title

EFFECTS OF PHOTOTAXIS, LIGHT SPECTRUM AND PHOTOPERIOD ON SURVIVAL AND GROWTH IN RUTILUS FRISII KUTUM LARVAE

Author(s)

IMANPOOR R. | KAMALI A. | HAJI MORADLOU ABD ALMAJID | BAHMANI MAHMOUD | Issue Writer Certificate

Keywords

RURTILUS FRISII KUTUMQ3

LARVAQ3

LIGHT REGIMESQ3

GROWTHQ3

SURVIVALQ3

Abstract

An indoor rearing study was conducted for 12 days to evaluate the effects of photo tactic response, light and photoperiod on SURVIVAL and GROWTH in Rutilus frisii kutum LARVAe from 45 to 54 degree-day post hatching was investigated. Photo tactic response was measured as the number of LARVAe that responded by horizontal swimming toward, a light source (F) and median travel distance for the responding fraction of LARVAe (M) and was compared with control group (C) with 4.5 mg initial LARVAe weight. LARVAe fed decapsulated Artemia cysts (first day), live Artemia nauplii (4 days) and live Artemia nauplii in combination with dry feed (7 days) under 24h continuous white light (24WL), 16h white light-8h dark (16WL:BD), 12h white light-12h dark (12WL:12D), 24h continuous red light (24RL), 16h red light-8h dark (16RL:BD), 12h red light-12h dark (12RL:12D), or complete darkness (0L or 24D).The specific GROWTH rate (SGR) and final biomass was significantly greater (p<0.05) in a part of LARVAe responding photo tactically (F) and were reared under continuous red light (24RL) and lowest in the 0L treatment. Twenty four hours continuous red light promoted higher SURVIVAL but there was no significant (p>0.05) different between treatments.

Cites

EFFECT OF DIFFERENT LIGHT INTENSITY AT CONTINUOUS PHOTOPERIOD ON GROWTH OF RAINBOW TROUT (ONCORHYNCHUS MYKISS)

References

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APA: Copy

IMANPOOR, R., KAMALI, A., HAJI MORADLOU, ABD ALMAJID, & BAHMANI, MAHMOUD. (2006). EFFECTS OF PHOTOTAXIS, LIGHT SPECTRUM AND PHOTOPERIOD ON SURVIVAL AND GROWTH IN RUTILUS FRISII KUTUM LARVAE. JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES, 13(1), 138-145. SID. https://sid.ir/paper/9486/en

Vancouver: Copy

IMANPOOR R., KAMALI A., HAJI MORADLOU ABD ALMAJID, BAHMANI MAHMOUD. EFFECTS OF PHOTOTAXIS, LIGHT SPECTRUM AND PHOTOPERIOD ON SURVIVAL AND GROWTH IN RUTILUS FRISII KUTUM LARVAE. JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES[Internet]. 2006;13(1):138-145. Available from: https://sid.ir/paper/9486/en

IEEE: Copy

R. IMANPOOR, A. KAMALI, ABD ALMAJID HAJI MORADLOU, and MAHMOUD BAHMANI, “EFFECTS OF PHOTOTAXIS, LIGHT SPECTRUM AND PHOTOPERIOD ON SURVIVAL AND GROWTH IN RUTILUS FRISII KUTUM LARVAE,” JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES, vol. 13, no. 1, pp. 138–145, 2006, [Online]. Available: https://sid.ir/paper/9486/en

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