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Effect of Low Cost Locally Available Ingredients on the Growth Performance of Juveniles Freshwater Prawn Machrobrachium Rosenbergii in the Laboratory | OMICS International | Abstract
ISSN: 2332-2608

Journal of Fisheries & Livestock Production
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Research Article

Effect of Low Cost Locally Available Ingredients on the Growth Performance of Juveniles Freshwater Prawn Machrobrachium Rosenbergii in the Laboratory

Azam K* and Koroi T

School of Marine Studies, Faculty of Science, Technology & Environment, The University of the South Pacific, Suva, Fiji

*Corresponding Author:
Azam K
School of Marine Studies
Faculty of Science
Technology & Environment
The University of the South Pacific
Suva, Fiji
E-mail: [email protected]

Received Date: July 01, 2013; Accepted Date: July 26, 2013; Published Date: August 01, 2013

Citation: Azam K, Koroi T (2013) Effect of Low Cost Locally Available Ingredients on the Growth Performance of Juveniles Freshwater Prawn Machrobrachium Rosenbergii in the Laboratory. J Fisheries Livest Prod 1:107. doi:10.4172/2332-2608.1000107

Copyright: © 2013 Azam K, 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.


Fiji has a strong demand for shrimp but farmers have hard time meeting the demand due to inadequate knowledge of local ingredients. A nutritional study was conducted to evaluate the growth performances of juveniles of the freshwater prawn species Macrobrachium rosenbergii. The prawns were fed with low cost formulated diets using locally available ingredients. Two experiments were conducted with six different diets in each of the experiment. In Experiment 1, diets were mainly based on carbohydrate ingredients ( fish meal+wheat, Fish meal+meat bone meal+wheat, Fish bone meal+fish meal+wheat, Meat bone meal+wheat, Meat fish meal+fish meal+wheat and Meat fish meal+wheat). While diets for Experiment 2 were based protein ingredients ( Fish meal+wheat, Fish meal+meat meal, Fish meal+meat meal+crest tilapia pellet, Fish meal+meat meal+copra meal, Fish meal+wheat+pea meal and Crest tilapia pellet). Each experiment (6 diets x 3 replicates) was carried out in the laboratory. Juveniles were fed twice a day for a period of three and four weeks in Experiment 1 and 2 respectively. Results indicated no significant (P>0.05) differences in water quality parameters. All nitrate, nitrite and ammonia concentrations were less than 0.2 mg/L. Fat and crude fiber contents were lowest and highest respectively in crest pellet tilapia (4.60% and 17.98%). Experiment 1 showed slight variations in growth performance. In Experiment 2, crest tilapia pellets indicated better result in weight gain (7.04 ± 2.96 mm), carapace, abdomen and body length (4.74 ± 1.94, 5.57 ± 0.62 and 5.57 ± 0.62), specific growth rate ( 2.38 ± 0.53) and feed intake (1.31 ± 1.19).However, no significant differences (P ≥ 0.05) were observed in either of the experiments. The costs of making each feed was almost same (0.53–0.58 Aus $/Kg). The findings indicate that the ingredient inclusion level for local ingredients available in Fiji could be quite flexible and used successfully for the growth of fresh water prawn juveniles (M .rosenbergii).


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