Cage‐pond integration of African catfish (Clarias gariepinus) and Nile tilapia (Oreochromis niloticus) with carps. Issue 8 (22nd November 2012)

• Record Type: Journal Article
• Authors: Mandal, Ram Bhajan; Jha, Dilip Kumar; Shrestha, Madhav Kumar; Pant, Jharendu; Rai, Sunila; Pandit, Narayan Prasad
• Is Part Of: Aquaculture research. Volume 45:Issue 8(2014:Jul.)
• Page Start: 1311
• Page End: 1318
• Publication Date: 2012-11-22
• Subjects: Aquaculture -- Periodicals; Fishery management -- Periodicals; 639.8
• DOI: 10.1111/are.12075
• Languages: English
• ISSNs: 1355-557X

Abstract

<abstract abstract-type="main" id="are12075-abs-0001"> <title>Abstract</title> <p>Cage‐pond integration system is a new model for enhancing productivity of pond aquaculture system. A field trial was conducted using African catfish (<italic>Clarias gariepinus</italic>) and Nile tilapia (<italic>Oreochromis niloticus</italic>) in cages and carps in earthen ponds. There were four treatments replicated five times: (1) carps in ponds without cage, (2) tilapia at 30 fish m<sup>−3</sup> in cage and carps in open pond, (3) catfish at 100 fish m<sup>−3</sup> in cage and carps in open pond, (4) tilapia and catfish at 30 and 100 fish m<sup>−3</sup>, respectively, in separate cages and carps in open pond. The carps were stocked at 1 fish m<sup>−2</sup>. The cage occupied about 3% of the pond area. The caged tilapia and catfish were fed and the control ponds were fertilized. Results showed that the combined extrapolated net yield was significantly higher (<italic>P</italic> < 0.05) in the catfish, tilapia and carps integration system (9.4 ± 1.6 t ha<sup>−1</sup> year<sup>−1</sup>) than in the carp polyculture (3.3 ± 0.7 t ha<sup>−1</sup> year<sup>−1</sup>). The net return from the tilapia and carps (6860 US$ ha<sup>−1</sup> year<sup>−1</sup>) and catfish, tilapia and carps integration systems (6668 US$ ha<sup>−1</sup> year<sup>−1</sup>) was significantly higher than in the carp polyculture (1709 US$ ha<sup>−1</sup> year<sup>−1</sup>) (<italic>P</italic> < 0.05). This experiment demonstrated that the cage‐pond integration of African catfish and Nile tilapia with carps is the best technology to increase production; whereas integration of tilapia and carp for profitability.</p> </abstract>