Evaluation of paraprobiotic applicability of Lactobacillus plantarum in improving the immune response and disease protection in giant freshwater prawn, Macrobrachium rosenbergii (de Man, 1879)

Paraprobiotics, also known as ghost probiotics, are non-viable microbial cells which, when administered in adequate amounts, confer a benefit on the host. However, the advantage of non-viable microbes over their viable counterparts is a much debated topic in aquaculture. Therefore, the present study...

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Published in:Fish & shellfish immunology 2015-03, Vol.43 (1), p.167-174
Main Authors: Dash, Gyanaranjan, Raman, Ram Prakash, Pani Prasad, K., Makesh, M., Pradeep, M.A., Sen, Swatipriyanka
Format: Article
Language:English
Subjects:
Aeromonas - physiology
Aeromonas hydrophila
Animal Feed - analysis
Animals
Diet
Diet supplement
Heat-killed probiotic
Hot Temperature
Immune parameters
Immunity, Innate - drug effects
Lactobacillus plantarum
Lactobacillus plantarum - chemistry
Macrobrachium rosenbergii
Palaemonidae - drug effects
Palaemonidae - microbiology
Palaemonidae - physiology
Probiotics - administration & dosage
Probiotics - metabolism
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Summary:Paraprobiotics, also known as ghost probiotics, are non-viable microbial cells which, when administered in adequate amounts, confer a benefit on the host. However, the advantage of non-viable microbes over their viable counterparts is a much debated topic in aquaculture. Therefore, the present study was conducted to evaluate paraprobiotic effect of heat-killed Lactobacillus plantarum on giant freshwater prawn Macrobrachium rosenbergii. A 90-day feeding trial was conducted by feeding prawn juveniles (mean weight ± SE: 0.54 ± 0.03 g) with three experimental diets prepared by supplementing basal diet (Crude protein: 38%; Gross energy: 387 kcal 100 g−1) with different concentrations of heat-killed probiotics bacteria viz. HKPB1 (107 cfu g−1 diet), HKPB2 (108 cfu g−1 diet), HKPB3 (109 cfu g−1 diet) and control diet (unsupplemented diet). In the present study, growth parameters viz. WG % and SGR and feed utilization parameters viz. FCE, FCR and PER, though improved marginally in all experimental groups, were found to be insignificant (P > 0.05) compared to the control. The immune parameters viz. total hemocyte count (THC), phenol oxidase (PO) activity, respiratory burst (RB) activity and clearance efficiency were significantly improved (P 
ISSN:1050-4648
1095-9947
DOI:10.1016/j.fsi.2014.12.007