Effect of Silica+ supplement on the growth performance and health condition of juvenile shrimp
By Dr. Wutiporn Phromkunthong
“The results from this present study showed that the supplementation of Silica+ in shrimp diet enhanced growth performance and feed utilisation (FCR, PER, and ANPU). Similar to other trace elements, silica may play an important role as cofactor in many biochemical processes in the cells of shrimp. It promoted immune system functions in shrimp as PO and SOD increased. These two endogenous antioxidants are crucial for the control of reactive oxygen species (ROS) production and the prevention of oxidative damage of cells (Lesser, 2006) and PO and SOD were increased when marine invertebrates are naturally exposed to stress conditions. In our study, shrimp were not subjected to stress, but PO and SOS significantly increased as Silica+ had positive effects in this regard.
The elevation of the total protease activity in the gut of shrimp receiving diets supplemented with Silica+ suggests that this product has a positive influence on protein digestion.”
The current study has been published in AQUA CULTURE Asia Pacific, Vol.11(3), May/June 2015: 43-46
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