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  • 1
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    Effect of thyroxine on hatching and on postembryonic growth in Brachydanio rerio, Cyprinus carpio, Labeo rohita, Cirrhina mrigala and Catla catla (2021)
    In:  http://aquaticcommons.org/id/eprint/16512 | 12051 | 2015-04-03 06:48:22 | 16512 | Indian Fisheries Association
    Details
    Publication Date: 2021-07-06
    Description: Studies on the effect of thyroxine on the eggs and postembryonic growth of Brachydanio rerio, Cyprinus carpio, Labeo rohita, Cirrhina mrigala and Catla catla have been carried out. The treatments were given in the dosages ranging from 0.025 to 0.20 mg. Lower doses of 0.025 to 0.075 mg were effective in reducing the hatching period, accelerating the yolk absorption and improving the growth of postembryonic stages in case of all the five species. Higher doses of 0.15 to 0.20 mg were found to reduce the survival significantly in B. rerio, C. carpio, L. rohita and C. mrigala.
    Description: Paper presented at the National Symposium on Aquacrops, 16-18 November 1994, Versova, Bombay (India)
    Keywords: Aquaculture ; freshwater aquaculture ; fish culture ; Brachydanio rerio ; Labeo rohita ; Cyprinus carpio ; Catla catla ; India
    Repository Name: AquaDocs
    Type: article
    Format: application/pdf
    Format: application/pdf
    Format: 133-137
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  • 2
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    Effect of sodium bicarbonate on hatching and on postembryonic growth of Brachydanio rerio, Cyprinus carpio, Labeo rohita, Cirrhinus mrigala and Catla catla (2021)
    In:  http://aquaticcommons.org/id/eprint/16022 | 12051 | 2015-01-24 15:27:29 | 16022 | Indian Fisheries Association
    Details
    Publication Date: 2021-07-12
    Description: The treatment of sodium bicarbonate at the dosage of 100 to 1000 mg/litre has been tested experimentally on the hatching and postembryonic growth of Brachydanio rerio, Cyprinus carpio, Labeo rohita, Cirrhinus mrigala and Catla catla. Lower dosages of 100 to 200 mg have been found to reduce the hatching period, yolk absorption period and improve the survival and growth of the post embryonic larvae. The higher dosages of 500 to 1000 mg has been found to reduce the hatching percentage and post embryonic growth of the larvae. The findings indicate that application of sodium bicarbonate in the hatchery and nursery management of carps in the lower dosages of 100 to 200 mg/L to improve hatching and postembryonic growth.
    Keywords: Aquaculture ; Biology ; Chemistry ; freshwater aquaculture ; Brachydanio rerio ; Labeo rohita ; Cyprinus carpio ; Catla catla
    Repository Name: AquaDocs
    Type: article
    Format: application/pdf
    Format: application/pdf
    Format: 89-91
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