Aquaculture is emerging as one of the most viable and promising
sector for providing nutritional and food security to the
human [1]. Indian aquaculture production mainly consists (w70%)
of three major carps viz. Labeo rohita, Catla catla, and Cirrhinus
mrigala [2]. Bacterial infections are one of the most important
causes of disease problems in Indian aquaculture [3]. Among
bacterial pathogens, Aeromonas hydrophila is the most common
and it can easily spread through accidental abrasions [4]. The
widespread use of broad-spectrum chemotherapeutics to control
these problems has not only led to the development of antibioticresistant
bacterial strains, but also causing environmental degradations
and food security problems [5]. To mitigate these problems