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Preparation of Added Value Byproducts from the Waste Material of Tilapia (Oreochromis niloticus) Processing | OMICS International | Abstract
ISSN: 2155-9546

Journal of Aquaculture Research & Development
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Research Article

Preparation of Added Value Byproducts from the Waste Material of Tilapia (Oreochromis niloticus) Processing

Maria Lúcia G. Monteiro1*, Eliane T. Mársico2, Izolda Martins Viriato3, José Marcelino Lima de Souza3 and Carlos A. Conte Júnior2

1Post-Graduate in Food Technology –Veterinary Facult, Federal Fluminense University, Brazil

2Department of Food Technology of the Federal Fluminense University, Niterói, RJ, Brazil

3Regional Cooperative of Fish Farmers, Japuiba, Cachoeiras de Macacu, Rio de Janeiro, Brazil

*Corresponding Author:
Maria Lúcia G. Monteiro
Department of Food Technology
The Federal Fluminense University
Niterói, Rio de Janeiro
Brazil, 24230-340
Tel: 5521-2629-9545
E-mail: [email protected]

Received Date: June 12, 2012; Accepted Date: September 24, 2012; Published Date: October 04, 2012

Citation: Monteiro MLG, Mársico ET, Viriato IM, Lima de Souza JM, Conte Júnior CA (2012) Preparation of Added Value Byproducts from the Waste Material of Tilapia (Oreochromis niloticus) Processing. J Aquacult Res Dev 3:150. doi:10.4172/2155-9546.1000150

Copyright: © 2012 Monteiro MLG, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.


The trial was conducted in earthen pond with average initial weight of 4.5 ± 0.4 mg/PLs of green tiger shrimp, to examine the effect of three stocking density and two water exchange rate on growth performances, production traits and feed composition. Eighteen earthen ponds (2200 m2) were stocked with either, 5, 15 and 25 PLs/m3, and received either 10 or 20% of water exchange rate. The results revealed that, mean final weight (g/PLs), gain in weight (g/PLs), gain in weight %, SGR (% /day), feed conversion ratio, protein productive value (PPV), protein efficiency ratio (PER), fat gain and energy utilization were significantly (p≤0.01) the best at the lowest stocking density. While, total production exhibited significantly the opposite trend. There significant differences (P≤0.05) were found between water exchange rate in term of mean final weight (g/PLs), gain in weight (g/PLs), gain in weight %, SGR (%/day), feed conversion ratio, PPV, PER, fat gain and energy utilization. From the above results and the economic information of these study it can be concluded that, stocking density of 15 PLs/m2 of green tiger shrimp and 20% water exchange rate exhibited the highest net profit and would seem to be the most desirable density and water exchange rate in the system studied.


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