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Development of Alternate Galda (macrobrachium Rosenbergii) and Bagda (penaeus Monodon) Culture

Md. Latiful Islam
Scientific Officer
Brackishwater Station, Bangladesh Fisheries Research Institute, Paikgacha, Khulna

Shafiq Rehman
Scientific Officer
Brackishwater Station, Bangladesh Fisheries Research Institute, Paikgacha, Khulna

Abstract/ Executive Summary:

The production of golda, M. rosenbergii was highest (282.01 kg/ha) in pond with 3.0/m² density followed y 2.5/m² (270.54 kg/ha) and 2.0/m² density (211.05 kg/ha), indicating increase in production with the increase in stocking densities. The survival of golda decreased and the FCR values increased with the increase in stocking densities. The production of bagda was highest (475.48 kg/ha) in ponds with 5.0/m² density followed by 4.0/m² (356.03 kg/ha) and 3.0/m² (270.34 kg/ha), indicating increase in production with the increase in stocking densities. Survival rate of bagda also highest in ponds of highest in stocking densities. The FCR values were almost same in the two higher stocking densities, but very low in lower stocking densities. No disease occurrence in shrimp was observed during the culture period.

Keywords: Development, Alternate galda, Bagda

Location: Paikgacha, Khulna

Start Date: 01-07-2002

End Date: 30-06-2003

Program Area: Variety and Species

Commodity: Shrimp

Objectives:

The project was designed for the fulfillment of the following objectives- To develop package of practices for production of M. rosenbergii (galda) in rotation with P. monodon (bagda); to demonstrate and disseminate the technology of rotational crops in ghers; and to increase production per unit area through optimum utilization of resources.

Methodology:

The experimental ponds were de-watered and dried-up to the bottom soil cracks. After measurement of soil pH and other bio-chemical properties, lime was applied @250 kg/ha. Tidal water was introduced through screening up to a depth of 5-60 cm. Urea and TSP were applied @35 kg/ha (urea:TSP = 1:3) and kept for the growth of natural feed. After growth of natural feed, the water depth was increased 1-1.5 m and PL of golda, M. rosenbergii @2, 2.5 & 3/m³ densities. The same ponds were used for farming of bagda (P. monodon) during high saline period in March-July. The ponds were stocked with post-larvae (ABW, 0.007g) of bagda at three stocking densities of 3.0/m² and 5.0/m²each with two replications in March. The shrimp were fed with commercial nursery feed @ 100% of ABW in the 1st week and gradually decreased to 10% in the 4th week of nursery period. After then commercial pellete feed were supplied, twice a day at dawn and dusk, @ 3-5% of body weight during 135 days of grow-out period.

Source of Information: BFRI Annual Research Program 2002-03

Article Link (Online Journal):

Funding Source:

1. Government

Budget: Fifty seven lakh

Total Budget (Tk.) : Fifty seven lakh

Achievement/Findings:

Brackishwater shrimp (P. monodon) culture in rotation with freshwater shrimp (M. rosenbergii) is an eco-friendly farming practice and it suits with the particular ecological conditions of South-Western region of Bangladesh. Successful application of the project will provide a suitable stocking density of golda and bagda in alternate culture system and will encourage the farmers. The findings of the project will help for further development of coastal aquaculture.

Knowledge Management: Report/Proceedings