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International Journal of Fisheries and Aquatic Studies
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E-ISSN: 2347-5129, P-ISSN: 2394-0506

International Journal of Fisheries and Aquatic Studies

2020, Vol. 8, Issue 4, Part A

Effect of selected seaweed powder as a fish feed on growth and immune system of tilapia (Oreochromis niloticus)


Author(s): Asaduzzaman Nur, Md. Foysul Hossain, Md. Nahid Hasan, Saida Zannat, Koushik Chakroborty and SM Rafiquzzaman

Abstract: Formulating new fish feed is one of the major challenges for profitable aquaculture. With this view, this study was designed to find out the effect of seaweed as replacement of fish meal on growth and immune response of Tilapia. This experiment was carried out in earthen pit with four treatments (T1: Control, T2: 10%, T3: 20% and T4: 30% seaweed as fish meal replacement) with three replications of each. Fishes were reared in very small earthen ponds called pits for 60 days. Results found that, the average weight gain, the relative percent (%) increment of weight gain and specific growth rate (SGR % day-1) was highest in T4 followed by T3, T2 and T1 (P<0.05). Furthermore, feed conversion ratio (FCR) of experimental Tilapia in T1, T2, T3 and T4 was 1.27±0.35, 1.15±0.18, 1.12±0.07 and 1.02±0.28, respectively which was significantly different (P>0.05). Regarding the immune response of Tilapia, the blood parameters such as red blood cells (RBC), white blood cells (WBC), hemoglobin (Hb), hematocrit (HCT), mean corpuscle volume (MCV), mean corpuscle hemoglobin (MCH) and mean corpuscle hemoglobin concentration (MCHC) were measured. Results found that the highest number of RBC (3.23×106 cells mm-3) and WBC (12.86 × 103 cells mm-3) were found in T4 along with other blood parameters compared to T3, T2 and T1. So, it can be inferred that seaweed has positive impact on growth and immune system of fish.

Pages: 24-30  |  220 Views  51 Downloads

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How to cite this article:
Asaduzzaman Nur, Md. Foysul Hossain, Md. Nahid Hasan, Saida Zannat, Koushik Chakroborty, SM Rafiquzzaman. Effect of selected seaweed powder as a fish feed on growth and immune system of tilapia (Oreochromis niloticus). Int J Fish Aquat Stud 2020;8(4):24-30.
International Journal of Fisheries and Aquatic Studies