Freshwater Snail (Viviparus sp); Its Potential to Use in Fish Feed Formulation

  • Md Anisuzzaman Department of Marine Biology and Aquaculture, Gyeongsang National University, South Korea
  • MM Haque Department of Aquaculture, Bangladesh Agriculture University, Mymensingh, Bangladesh
  • Kabery Kamrunnahar Faculty of Agriculture, Bangladesh Agriculture University, Mymensingh, Bangladesh
  • Seok-joong kang Department of Marine Biology and Aquaculture, Gyeongsang National University, South Korea
Keywords: Freshwater snail, Proximate composition, Economic efficiency.

Abstract

The present study was concerned with emerging culture systems of freshwater snail, (Viviparus sp) at the farmers level highlighting its potential to use in fish feed formulation. The study was conducted over a period of 7 months from May to November in Rupal Integrated Farm Chothrasia, Muktagacha Upazila of Mymensingh district, Bangladesh. Emerging culture systems of freshwater snail, its collection methods, proximate composition of snail mixed feed and comparative economic efficiency of snail mixed feed versus traditionally used fish feed were the focal points under the present study. The pond for freshwater snail culture was rectangular in shape with an area 4855㎡. The collection of snail from the culture ponds were carried out by the four methods. The production cycle was completed by 40-45 days following the harvest. The production of snail was about 4117 kg/10000㎡ in one cycle. Snail culture pond was used concurrently for rearing fry of carps (Labeo rohita, Catla catla, Cirhinus cirrhosus, Hypophthalmichthys molitrix etc), cat fish (Pangasius hypophthalmus). Two snail mixed feeds, one commercial feed and single rice bran were analyzed. The crude protein content, lipid content was higher in snail mixed feeds than commercial feed. The crude fibre content was lower in snail mixed feeds than commercial feed. Average cost for the production of snail mixed feed comparatively lower than the commercial feed. However, in terms of growth there was no significant differences occurred in both feeds.

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Published
2016-04-15
Section
Articles