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Effect of Supplementary Feed on the Growth of Shinghi (heteropneustes Fossilis Bloch)

M. A. Hossain
Department of Zoology, Rajshahi University, Rajshahi-6205, Bangladesh

S. Parween
Department of Zoology, Rajshahi University, Rajshahi-6205, Bangladesh

Abstract/ Executive Summary:

Effect of two supplementary feed (food A and food B) Oil) the growth of shinghi, Heteropneustes fossilis was observed for 3 months period during winter and summer. Food B containing rice bran 2g, wheat bran 2g and blood 10 ml, showed better growth. The net gain in length was 70.04 mm and in weight was 13.82 g. Total net production of the was observed as 254.00 g/m² with feed A and 345.50 g/m² with feed B.

Keywords: H. fossilis, Feed, Growth

Location: Department of Zoology, Rajshahi University

Start Date: 00-02-1995

End Date: 00-05-1995

Program Area: Animal Health and Management

Commodity: Cat fish

Objectives:

To study the growth of H. fossilis both in terms of length and weight with two types of supplementary feeds.

Methodology:

Experiment was carried in two cement cisterns, each of them having a surface area of 4.86 m² and a depth of 2.5 to 3 m. Water sources were tap water and rain water. H. fossilis of average 75 to 90 mm in total length were collected from the market and acclimatised for 40 hours before release. Healthy 160 fish were released in each tank and provided with supplementary feed once in every 24 hours. One kind of food was supplied in one tank at a rate of 6% of the total body weight of the fishes which increased subsequently 7 to 8% as the fishes gain in weight. The experiments were carried for three months, once in the winter (December to February) and once in the summer (May to July). The supplementary feeds consisted of Food A mixture of rice bran (40%), wheat bran. (40%), chicken entrails (20%). The chicken entrails were cut into small pieces and boiled till soft. Food B: the mixture consisting of rice bran (2g) wheat bran (2g) and blood (10 ml). The blood was collected from slaughterhouse. The mixture was kept in an airtight container for 15 days and then refrigerated. Food A was used in the tank I and food B in tank II. Before stocking the initial total length and weight of the fry were recorded. In every 30 days 10 fishes were randomly collected and measured to record the subsequent growth in terms of length and weight. The coversion rate of the food supplied was determined from the formula

Source of Information: Bangladesh J. Fish. Res.,2(2): 205-207, 1998

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Food B containing rice bran 2g, wheat bran 2g and blood 10 ml, showed better growth. The net gain in length was 70.04 mm and in weight was 13.82 g. Total net production of the was observed as 254.00 g/m² with feed A and 345.50 g/m² with feed B.

Knowledge Management: Journal