Density-Dependent Growth and Production of Nile Tilapia (Oreochromis niloticus) Fingerlings Relative to Phytoplankton and Periphyton Biomass

Jiwyam, Wirat

doi:10.3126/on.v11i2.9646

Cited by 1 publication

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“…Many fish in nature as well as in culture relies on periphyton for its food. Indian major carp (Wahab et al, 1999;Ramesh et al, 1999;Rai et al, 2010), tilapia (Hem and Avit, 1994;Shrestha and Knud-Hansen, 1994;Milstein et al, 2009: Jiwyam, 2013, common carp (Rai and Yi, 2012) as well prawn (Udin et al, 2007) prefer periphyton as natural food. Previous study on periphyton based carp polyculture in Nepal showed a promising result with an increase of 24% in fish yield (Jha et al, 2018).…”

Section: Introductionmentioning

confidence: 99%

Potential substrates for periphyton enhancement in Carp-SIS polyculture

et al. 2018

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A field trial was carried out to test performance of four locally available substrates (split bamboo, whole bamboo, banana midrib and plastic bottle) for periphyton enhancement in farmer's ponds at Seri and Nandapur in Nawalparasi district for 7 months. Six carp species were stocked at 15000 fish/hectare and SIS at unrecorded densities. Carp was fed with rice bran and mustard oil cake at 1.5% BW while grass carp was fed with grass and banana leaves at 50% BW. There was no significant effect of substrates on growth and production of carp. Combined NFY was 19% higher in plastic bottle ponds than control ponds, while NFY of SIS was 50% higher in banana midrib ponds than control and other substrate ponds. FCR was significantly better (P<0.05) in split bamboo ponds than control ponds. Banana midrib decayed fast and was replaced 3-4 times during experimental period while plastic bottles performed better in terms of production and profit.

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Section: Introductionmentioning

confidence: 99%