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E-ISSN: 2347-5129, P-ISSN: 2394-0506

International Journal of Fisheries and Aquatic Studies

2018, Vol. 6, Issue 4, Part F

Indian major carps seed production through induced breeding in FRP hatchery at Bisoi, Mayurbhanj district, Odisha, India


Author(s): Bikash Chandra Mohapatra, Kedar Nath Mohanta and Dukhia Majhi

Abstract: For demonstration and carp seed production, one unit of fiberglass reinforced plastic (FRP) hatchery consisting of one spawning pool, one incubation pool, one egg/spawn collection tank and one overhead tank of capacity 2000 liter for spawn production capacity of 1.0-1.2 million per operation in four days was established and operated in farmer’s field at N.B. Pokhria Village under Bisoi Block, Mayurbhanj District, Odisha from 4 July, 2016. Induced breedings of Indian major carps (catla, Catla catla; rohu, Labeo rohita & mrigal, Cirrhinus mrigala) were conducted in the established hatchery using synthetic hormone ‘Ovatide’ for 1, 3 and 6 times in the monsoons of 2016, 2017 and 2018 (till 31 July), respectively. Total 7.0 lakh (rohu), 20.0 lakh (rohu 10.0, mrigal 3.0, and catla 7.0) and 48.5 lakh (rohu 28.5, mrigal 5.0, and catla 15.0) lakh spawn was harvested in 2016, 2017 and 2018, respectively showing a positive trend as the farmer is getting experienced year after year. Under the temperature range of 27-34oC, spawning was observed after a latency period of 342-400 minutes (5.7-6.7 hours); fertilization rate recorded was 91.7-97.5% and spawn production was 1.02-1.18 lakh/kg body wt. of female in IMC. Highest fertilization rate (97.5%) was recorded in mrigal followed by rohu (92%) and catla (91.7%). Effective spawning period was 62, 53.3 and 40 minutes for rohu, catla and mrigal respectively.

Pages: 492-496  |  368 Views  18 Downloads

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How to cite this article:
Bikash Chandra Mohapatra, Kedar Nath Mohanta, Dukhia Majhi. Indian major carps seed production through induced breeding in FRP hatchery at Bisoi, Mayurbhanj district, Odisha, India. Int J Fish Aquat Stud 2018;6(4):492-496.
International Journal of Fisheries and Aquatic Studies