The holding capabilities of different coating materials on xylanase and phytase in shrimp feed
2021
Nisachon, Uniyom | Srinoy, Chumkam | Orapint, Jintastaporn
An experiment was conducted to discover the amount of enzyme leached by different materials used to coat white shrimp (litopenaeus vannamei) feed to find a solution for the efficient application of enzyme additives in aquaculture feed. Treatments in the study were assigned according to a completely randomized design (CRD). Three materials — chitosan, pullulan, and seal4 — were compared as shrimp feed coatings in terms of their impact on the retention of two enzymes: phytase and xylanase. A sample of feed without coating materials served as the control. Samples were immersed in water, with the levels of enzyme leaching calculated at intervals of 15 and 30 minutes. Feed coated with phytase and pullulan retained the most enzyme, with 32.88% and 34.45% leaching after samples were immersed in water for 15 and 30 minutes, respectively. Pullulan was also the most effective in the retention of xylanase, with 0.075% and 0.078% leaching after samples were immersed in water for 15 and 30 minutes, respectively.
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