1Department of Aquaculture, College of Fisheries, Guru Angad Dev Veterinary and Animal Science University, Ludhiana-141 012, Punjab, India
*Corresponding Author: Abhed Pandey, Department of Aquaculture, College of Fisheries, Guru Angad Dev Veterinary and Animal Science University, Ludhiana-141 012, Punjab, India, Email: pandeyabhed@yahoo.com
Online published on 30 October, 2025.
The use of probiotics in aquaculture is increasingly acknowledged, thanks to rising demand for environment friendly aquaculture. However, there is an obvious need to improve our understanding of gut microbiology, as well as the effective preparation and safety assessment of probiotics.
The experiment comprised of five treatments to evaluate the influence of probiotic on water quality, growth and body composition. L. plantarum probiotic was sprayed over test diets at various concentrations @ 106 to 109 CFU/g, (D0 to D4 respectively). Water quality parameters were analysed and growth parameters formulae (Halver, 1957) whereas fish feed and fish flesh nutritional composition, were measured (AOAC, 2012).
All of the water quality parameters were within acceptable limits. Net weight gain (NWG), NWG %, specific growth rate, condition factor and survival rate were significantly (P<0.05) highest in D4 and lowest in D0. Similarly, feed conversion ratio and protein efficiency ratio also improved significantly (P<0.05). Moreover, there was a considerable rise in crude protein and lipid content in D4. In general, supplementation of L. plantarum @ 109 cfu/g diet improved growth, survival and nutritional composition of Cirrhinus mrigala.
Cirrhinus mrigala, Diet, Growth, Lactobacillus plantarum, Nutritional composition
