Title Page
Contents
Abstract 7
Introduction 8
Materials and Methods 12
Samples and treatments 12
Experiment procedure 12
Determination of weight gain 13
Determination of moisture content 16
Determination of phosphate amount 16
Statistical analyses 18
Results 19
Weight gain in phosphate-treated shrimp 19
Moisture content in phosphate-treated shrimp 25
Phosphate amount in phosphate-treated shrimp 31
Discussion 38
Weight gain in phosphate-treated shrimp using response surface analysis 38
Moisture content in phosphate-treated shrimp using response surface analysis 40
Phosphate amount in phosphate-treated shrimp using response surface analysis 42
Conclusion 45
References 46
Table 1. Experimental values and coded levels of the independent variables... 14
Table 2. Experimental design of phosphate treatment of shrimp using... 15
Table 3. Results of weight gain in phosphate-treated shrimp 20
Table 4. Result of statistical analyses for weight gain 21
Table 5. Coefficient regression model estimated by multiple regression... 24
Table 6. Results of moisture content in phosphate-treated shrimp 26
Table 7. Result of statistical analyses for moisture content 27
Table 8. Coefficient regression model estimated by multiple regression... 29
Table 9. Results of phosphor amount in phosphate-treated shrimp 32
Table 10. Result of statistical analyses for phosphate amount 33
Table 11. Coefficient regression model estimated by multiple regression... 34
Fig. 1. Three-dimensional plot of effect of two different factors in weight... 22
Fig. 2. Three-dimensional plot of effect of two different factors in moisture... 30
Fig. 3. Three-dimensional plot of effect of two different factors in phosphate... 36