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Utilization of Natural Fish Food Item, Periphyton for Replacement of Commercial Feed in Milkfish (Chanos chanos) Culture

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Title Utilization of Natural Fish Food Item, Periphyton for Replacement of Commercial Feed in Milkfish (Chanos chanos) Culture
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Creator G. Biswas
Prem Kumar
T.K. Ghoshal
Debasis De
Sanjoy Das
Christina Lalramchhani
Aritra Bera
M. Kailasam
 
Subject Milkfish, Periphyton biomass, Feed replacement
 
Description Not Available
Feed is the costliest input that accounts 50-60% of operational expenditure in aquaculture. To reduce the feed quantity and minimize related environmental impacts arising from feed wastage in aquaculture, natural fish food item, periphyton can be utilized as an alternate option. Milkfish (Chanos chanos), being a herbivore fish, can be cultured by developing periphyton biomass as natural diet and thereby to reduce use of commercial feed. Monoculture of milkfish (15000 no./ha) for 180 days was undertaken in 50 m2 pond enclosures with four different feeding systems: (P0) control with total feeding and no periphyton; P75, P100 and P125 were with periphyton grown on 75, 100 and 125% pond surface area, respectively along with partial feeding. White nylon net (40 mesh) as substrate for periphyton growth was fixed vertically in the epilimnion of pond water. Fish growth (242.29±5.22 g), productivity (3146±60 kg/ha) and benefit-cost ratio (1.81) were significantly highest (P
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Date 2020-03-18T07:13:56Z
2020-03-18T07:13:56Z
2019-12-23
 
Type Presentation
 
Identifier Biswas, G., Kumar, P., Ghoshal, T.K., De, D., Das, S., Christina, L., Bera, A., Kailasam, M., 2019. Utilization of natural fish food item, periphyton for replacement of commercial feed in milkfish (Chanos chanos) culture. In: Abstract Volume of 4th Regional Science and Technology Congress- 2019 (Southern Region), Department of Science and Technology and Bio-technology, Govt. of West Bengal and Mulana Abul Kalam Azad University of Technology, Haringhata, Nadia, West Bengal, December 23-24, pp. 18.
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http://krishi.icar.gov.in/jspui/handle/123456789/33962
 
Language English
 
Relation Not Available;
 
Publisher Department of Science and Technology and Bio-technology, Govt. of West Bengal and Mulana Abul Kalam Azad University of Technology