Comparative study on the growth of tilapia. During culturing tilapia ponds and wells cement. To compare the growth of tilapia ponds and wells between cement.By releasing the parent species of wasp ปลานิลจิตรลดา 200 pond, which 5 pond size * 5 meters deep, which 1 meters deep 0 quantity.8 meters 2 month period to count all the fish, the result showed that fish farming in earthen ponds. Percent growth and the number, the higher the fish in the pond cement. While the survival rate of the fish were not significantly different.
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