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Journal of Aquaculture Research & Development

El-Drawany MA

  • Research Article
    Growth, Food and Feeding Habits of Bagrus bayad and Bagrus docmac Inhibiting Muess Channel, Sharkia Province, Egypt
    Author(s): El-Drawany MA and Elnagar WGEl-Drawany MA and Elnagar WG

    The present study aims to investigate the age and growth parameters as well as food and feeding habits of Bagrus bayad (Forskal, 1775) and Bagrus docmac (Forskal, 1775), belonging to the family Bagridae in the Muess Channel of Sharkia Province, Egypt. The relationship between total fish length and vertebra radius is described by straight line equations: L=6.714 + 13.88V and L=8.841 + 10.7 V for both studied species, respectively. The equations of the length-weight relationship for both studied species are expressed as: W=0.0057 X L3.1 for Bagrus bayad W=0.0068 X L3.05 for Bagrus docmac The vertebrae were used to estimate the growth parameters of von Bertalanffy,s equation. It is found that the L∞=87 cm, K=0.159 1/y and to=-1.25 years for B. bayad and L∞=89 cm, K=0.169 1/y and to=-1.275 years for B. docmac. Food and feeding habits of the two cat fish.. View More»
    DOI: 10.4172/2155-9546.1000348

    Abstract PDF