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RAISING OF STOCKING MATERIALS IN PEN ENCLOSURE IN A FLOODPLAIN WETLAND OF UTTAR PRADESH

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Title RAISING OF STOCKING MATERIALS IN PEN ENCLOSURE IN A FLOODPLAIN WETLAND OF UTTAR PRADESH
Not Available
 
Creator S. C. S. DAS
ABSAR ALAM
D. N. JHA
V. KUMAR
K. SRIVASTAVA
B. K. BHATTACHARJYA
 
Subject Pen aquaculture
floodplain wetlands
Alwara taal
FCR
benefit-cost ratio
 
Description Not Available
An experiment was conducted in Alwara taal of Uttar Pradesh, India to rear Indian major carp fry in pen enclosure during 2014-15 for production of stocking materials. A rectangular off-shore all-net pen covering 0.125 ha area was installed in the wetland using HDPE screens (5 mm mesh size), nylon webbing (5 mm mesh size), foot rope (3 mm diameter) bamboo poles and twines. The pen was stocked with advance fry of Catla catla, Labeo rohita and Cirrhinus mrigala @ 20 nos. m-2 in the ratio of 2:1:1 The stocked fishes were fed with supplementary feed @ 2-5% of their body weight giving overall FCR value of 1.11. Catla, rohu and mrigal fry grew from 6.85 g ±0.48, 3.77 g ± 0.31 and 5.03 g ± 0.26 to 123.10 g ± 5.53, 85.4 g ± 4.91 and 72.3 g ± 2.42 in 110 days culture period. The specific growth rate and survivality (%) of reared fishes were: 2.62 and 61.2% for catla, 2.84 and 66.3% for rohu whereas these were 2.42 and 68.2% for mrigal. Mean values of important water quality variables like transparency (35 cm), pH (7.5), total alkalinity (212 mg l-1), total hardness (178 mg l-1), dissolved oxygen (6.3 mg l-1), phosphate-P (0.072 mg l-1) and nitrate-N (0.09 mg l-1) indicated that
the wetland was suitable for pen aquaculture. Benefit-cost ratio and return on investment were 1.53 and 0.53 indicating that pen aquaculture was economically viable for rearing of carp advance fry to fingerling stage in floodplain wetlands of Uttar Pradesh.
Not Available
 
Date 2021-08-10T09:14:30Z
2021-08-10T09:14:30Z
2017-11-01
 
Type Research Paper
 
Identifier N15. S. C. S. Das, Absar Alam, D. N. Jha, V.Kumar, K. Srivastava and B. K. Bhattacharjya (2017). Raising of stocking materials in pen enclosure in a floodplain wetland of Uttar Pradesh. J. Inland Fish. Soc. India, 49(1), 15-21ot Available
0379-3435
http://krishi.icar.gov.in/jspui/handle/123456789/54218
 
Language English
 
Relation Not Available;
 
Publisher http://epubs.icar.org.in/