Growth Performance of <i>Hypophthalmichthys molitrix</i> and Barbodes gonionotus Fingerlings by Feeding Microalgae Cultured on Fertilizer Factory Effluent

Authors

  • MA Toyub Department of Fisheries, Ministry of Fisheries and Live stock
  • MI Miah Faculty of Fisheries, Bangladesh Agricultural University, Mymensingh
  • MAB Habib Faculty of Fisheries, Bangladesh Agricultural University, Mymensingh

DOI:

https://doi.org/10.3329/bjsir.v45i4.7328

Keywords:

Fingerlings, Microalgae, Growth performance, Specific growth rate

Abstract

Growth performance of Hypophthalmichthys molitrix (Silver carp) and Barbodes gonionotus (Sar puti) fingerlings were studied separately in aquaria by feeding cultured microalgae (Chlorella ellipsoidea, Scenedesmus obliquus and Spirulina platensis) in different combinations for a period of 21 days. Fertilizer factory effluent was used to grow these microalgae. Significantly (p<0.05) higher weight gain of H. molitrix (81.16%), was in the treatment T2 (Rearing by feeding 100% S. platensis) and the minimum percentage (- 4.29%) was obtained in the control (fed on fishmeal and mustered oil cake). Specific growth rate (SGR, %/day) of H. molitrix were determined - 0.21 to 2.84 for all the treatments which was significantly (p<0.05) higher in T2. Survival rate of H. molitrix was 25.90 to 77.80%. In the case of B. gonionotus, significantly (p<0.05) higher weight gain (149.10%) was observed in t2 (Rearing by feeding 100% S. platensis). The SGR (%/day) of B. gonionotus were ranged from 2.25 to 4.33 which was significantly (p<0.05) higher in t2 than all other treatment except control. Survival rate of B. gonionotus was ranged from 97.78% to 100%. The reared fingerlings were found nutritionally rich.

Key words: Fingerlings; Microalgae; Growth performance; Specific growth rate.

DOI: 10.3329/bjsir.v45i4.7328

Bangladesh J. Sci. Ind. Res. 45(4), 315-322, 2010  

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How to Cite

Toyub, M., Miah, M., & Habib, M. (2011). Growth Performance of <i>Hypophthalmichthys molitrix</i> and Barbodes gonionotus Fingerlings by Feeding Microalgae Cultured on Fertilizer Factory Effluent. Bangladesh Journal of Scientific and Industrial Research, 45(4), 315–322. https://doi.org/10.3329/bjsir.v45i4.7328

Issue

Vol. 45 No. 4 (2010)

Section

Articles

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