Abstract
The current study has been conducted to evaluate the growth performance of shrimp (Penaeus monodon) by applying eco-friendly culture mechanism like prebiotics and probiotics. The experiment was carried out for 95 days in different shrimp farms at coastal district of Bagerhat, Bangladesh. Three different treatments viz., probiotic treated as T1, prebiotics treated as T2 and both probiotics and prebiotics as T3 with a control group were designed to conduct the experiment. The size of the experimental ponds was five acre and the stocking density was 4/m2 in each treatment. CP NASA shrimp feed (32% protein) was given thrice in a day during the study period. After 95 days of culture period, the maximum weight gain was observed at T3 (33.78±0.18 g) whereas the minimum weight gain was observed at control group (25.69±0.10 g). The survival rate was the highest in T3 (89.01%) followed by T2 (75.51%) and T1 (53.44%) and the lowest rate was observed in control group (50.88%). Overall production was higher in T3 (833.78 kg ha-1) compared to T2 (553.40 kg ha-1), T1 (447.84 kg ha-1) and Control group (310.57 kg ha-1). pH value was found to maximum in T3 (7.71±0.08) and it was minimum in T1 (7.41±0.10). In addition, the maximum TAN value was found to be 2.22±0.19 mg L-1 in C pond and it was minimum in T3 (0.32±0.06 mg L-1). Therefore, it could be concluded that combine application of probiotics and prebiotics might be the reliable media to enhance production of shrimp by maintaining eco-friendly environment in aquaculture.
 Int. J. Agril. Res. Innov. Tech. 10(2): 15-20, December 2020
Highlights
The shrimp sector in Bangladesh is very unique compared to other fisheries and supported large coastal fishing industrial development (Howlader et al, 2020)
After 95 days of culture period the highest mean body weight was found at T3 (33.78±0.18 g) in which both probiotics and prebiotics were applied combined whereas lowest mean growth was in T4 (25.69±0.10 g) the control group (Table 0)
Significant effect of prebiotics and probiotics observed on survival rate of shrimp among all treatment (p
Summary
The shrimp sector in Bangladesh is very unique compared to other fisheries and supported large coastal fishing industrial development (Howlader et al, 2020). More than 95% of shrimp and prawn in Bangladesh are produced in extensive polyculture ponds that were formerly used as rice ponds and are locally referred to as ‘Ghers’. The culture of Penaeus monodon (black tiger shrimp), locally referred to as ‘Bagda‘, is mostly combined with the culture of other shrimp species that are trapped in the gher when water is taken in (DoF, 2017; Ghosh, 2018; Howlader et al, 2020). The culture of Macrobrachium rosenbergii (Giant freshwater prawn) takes place in smaller ponds and is mostly combined with the culture of rice and/or freshwater fishes (Ghosh et al, 2016). Shrimp exports total over 40,000 tonnes of P. monodon, M. rosenbergii and some smaller volumes of other species in 2016 and 2017 (Azad et al, 2019).
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