Effect of dietary probiotic supplementation on growth, survival, coloration and stress resistance in guppy (&lt;em&gt;Poecilia reticulata&lt;/em&gt; Peters, 1859)

T Samarawardane,K Radampola,S Rathnapala

doi:10.4038/tare.v24i3.5520

Abstract

Tropical Agricultural Research and Extension is a peer-reviewed international scientific journal covering a wide range of subject areas in tropical and subtropical agriculture published quarterly by the Faculty of Agriculture, University of Ruhuna, Sri Lanka. The journal is also available on the Faculty of Agriculture, University of Ruhuna website https://www.agri.ruh.ac.lk/tare/index.htm .

Highlights

Probiotics can be defined as beneficial microorganisms or their products that provide health benefits to the hosts (Fuller 1989)
AQUALACTTM is a commercially available multi-strain probiotic, consisting of four bacterial species including Lactobacillus sporogenes, Lactobacillus acidophilus, Bacillus subtilis and Bacillus licheniformis and one species of yeasts (Saccharomyces cervisiae) with seaweed extract, which is used in feed formulation for fish and shrimps
Growth performance and feed utilization This study examined the effect of the addition of dietary probiotic supplements on the growth performances, feed utilization, colouration and stress resistance of guppy fish

Summary

Introduction

Probiotics can be defined as beneficial microorganisms or their products that provide health benefits to the hosts (Fuller 1989). Probiotics are used in aquaculture to improve growth performance, reduce diseases and develop the immune system of cultured organisms (Verschuere et al 2000). The use of probiotics as growth promoters in edible fish (Nile tilapia- Haroun et al 2006), ornamental fish (Swordtail and Guppy- Ghosh et al 2008; Dharmaraj and Dhevendaran 2010) and in shellfish culture (Immanuel et al 2004) has been reported. Dietary probiotics influenced the immune response, especially at the early stage of gilthead sea bream (Picchietti et al 2007) and improved fish growth, health and feed digestibility in rainbow trout (Nikoskelainen et al 2001). The use of probiotic bacteria to enhance the growth performance of cultured species and to improve the quality of water in which fish are cultured has been reported (Ghosh et al 2008; Hernandez et al 2010). Anuar et al (2017) described that probiotics are used to enhance growth and immunity and for sharpening the colour of aquarium fish

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Results

Conclusion