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Evaluation of Soybean Meal as a Dietary Protein Source on the Performance of Labeo Rohita (ham.) Spawn Reared Under Pond Condition

D. A. Jahan
Freshwater Station, Bangladesh Fisheries Research Institute (BFRI), Mymensingh-2201.

L. Hussain
Department of Fisheries Biology and Genetics, Bangladesh Agricultural University, Mymensingh-2202;

M. A. Islam
Department of Fisheries Biology and Genetics, Bangladesh Agricultural University, Mymensingh-2202;

A. Naima
Riverine Station, Bangladesh Fisheries Research Institute (BFRI), Chandpur-3602

Abstract/ Executive Summary:

Growth of Labeo rohita spawn, fed on four formulated (almost iso-nitrogenous and iso-caloric) diets containing fish meal, soybean meal, mustard oil cake and rice bran along with vitamin and mineral premix was studied at the Bangladesh Agricultural University, Mymensingh, during 07 June to 19 July, 2006. Fish meal was replaced by soybean meal at the rates of 0, 25, 50 and 75% in Treatment 1, 2, 3 and 4, respectively. In a 42-day feeding trial, significantly higher growth rate, feed conversion ratio, protein efficiency ratio and survival rate and slightly higher protein content in carcass were observed in Treatment 2 but the variation was not statistically significant.

Keywords: Fish meal, Soybean meal, Labeo rohita, Rohu, Spawn

Location: Field Laboratory Complex, Faculty of Fisheries, Bangladesh Agricultural University, Mymensingh

Start Date: 07-06-2006

End Date: 19-07-2006

Program Area: Animal Health and Management

Commodity: Carp fish

Objectives:

To determine the maximum utilization of soybean meal protein against fish meal protein in rearing of rohu spawn.

Methodology:

The trial was conducted in 12 earthen ponds for a period of 42-days in the Field Laboratory Complex of the Faculty of Fisheries, Bangladesh Agricultural University, Mymensingh during 07 June to 19 July, 2006. The area of each pond was 60 m² and the average depth of water was maintained at 1.0 to 1.3 meter throughout the experimental period. Four treatments, each with three replications were laid out in a Completely Randomized Design. All the diets were formulated carefully to maintain 35% protein and 13% lipid level. In the three diets, fish meal protein was replaced by soybean meal protein to the tune of 25% (Treatment 2), 50% (Treatment 3) and 75% (Treatment 4), while Treatment 1 having 100% fish meal protein was used as control. All the data were subjected to Analysis of Variance (ANOVA) and Duncan’s Multiple Range Test was conducted to test significant variations exist among the treatment means.

Source of Information: The Agriculturists 11(2): 14-20 (2013) ISSN 2304-7321 (Online), ISSN 1729-5211 (Print), A Scientific Journal of Krishi Foundation

Article Link (Online Journal): http://banglajol.info/index.php/AGRIC/article/view/17482/12258

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Fish meal may safely be replaced by soybean meal in rearing of rohu spawn up to 25% levels in the field condition where exogenous foods i.e. plankton and other aquatic organisms are available.

Knowledge Management: Journal