Lota Rani, Subrina Sehrin and Hasina Begum

Fish health is impaired by stress, disease, feeding activity and various environmental and physiological conditions. To improve fish health or nutritional quality, it is necessary to know their immunity and biochemical composition. The present study was thus to estimate the Immunoglobulin M (IgM) and Lipid-Profile (Cholesterol, Triglyceride, HDL and LDL) level in Anabas testudineus either affected by sex, gonad, and parasitic infection. Total 50 live fishes were collected during the period of November, 2018 to October, 2019 from Luxmibazar, Dhaka, Bangladesh. IgM (0.3097±0.051), Cholesterol (184.64±8.2) and HDL (66.64±9.08) were higher in male fishes than females but Triglyceride (291.16±84.45) was higher in female fishes. This may happen due to male fish is biochemically and nutritionally richer than female. IgM (0.237±0.037) and HDL (57.41±5.81) were higher in fishes without gonad than with gonad female but Cholesterol (169±16.31), Triglyceride (388.71±218.87) and LDL (81.29±15.82) were higher in with gonad female fishes. Cholesterol (p=0.03) level showed significant relationship between with gonad and without gonad female fishes because during gonadal enlargement Cholesterol level increase. IgM was higher in fishes without gonad because incorporation of IgM into the eggs. The results of this study could be used for monitoring the fish health and disease resistant ability.

DOI: 10.22271/23940522.2021.v8.i6a.861

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