Effect of dietary supplementation of natural immunostimulants on the non-specific immune response of the grey mullet, Mugil cephalus

Document Type : Primary Research paper

Authors

1 CAS in Marine Biology, Faculty of Marine Sciences, Annamalai University, Parangipettai-608 502, Tamil Nadu, India

2 CAS in Marine Biology, Faculty of Marine Sciences, Annamalai University, Parangipettai-608 502, Tamil Nadu, India.

Abstract

The purpose of this study was to determine the effect of chitosan scheduled on the non-specific immune mechanisms and disease resistance in Mugil Cephalus. Fish were fed with different doses of chitosan. The non-specific immune mechanisms were assessed in terms of growth parameter, counting of white blood cells (lymphocytes), Red blood cells (erythrocyte), Hematocrit, respiratory burst activity and cumulative survival rate. In our present study was (chitosan 2%) shows a significantly increased growth rate, WBC, RBC, Hematocrit (%), respiratory burst activity and cumulative survival rate compared with another experimental diet. Statistical analysis also proved the cumulative survival rate after 70 days of the challenge test, the experimental group showed 73% survival rate and in the control group, 100% survival was observed. This preliminary study indicates that chitosan could be used to promote the health status of fish in intensive fish aquaculture.

Keywords

Int. J. of Aquatic Science
Volume 12, Issue 2 - Serial Number 2
June 2021
Pages 5106-5117

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