A Cost Effective Replacement of Fish Meal with a Blend of Cottonseed and Blood Meals Supplemented with Methionine in Gift(Oreochromis Niloticus)juveniles

目录

声明

Table of Contents

ABSTRACT

摘要

ABBREVIATIONS

CHAPTER 1 Literature Review and Study Plan

1 General review of Tilapia

2 Tilapia nutrition

3 Fish meal

4 Fish meal replacement efforts

4．1 Fish meal replacement with cottonseed meal in tilapia

4．2 Fish meal replacement with blood meal

4．3 Fish meal replacement with a blend of protein sources

5 Justification of the study

6 Aims of the study

7 Hypothesis

CHAPTER 2 Effects of Graded Levels of Cottonseed Meal and Blood Meal Mixture in Replacement of Fish Meal on Growth Performance，Feed Utilization and Economic Analysis in GIFT Juveniles

1 Introduction

2 Materials and Methods

2．1 Experimental fish and management

2．2 Diet preparation and experimental layout

2．3 Sample collection

2．4 Calculations

2．5 Proximate chemical composition analysis

2．6 Economic analysis of diets

2．7 Statistical analysis

3 Results

3．1 Effect of diet on growth performance and feed utilization

3．2 Effect of replacement on whole body composition

3．3 Economic analysis of various diets used in the trial

4 Discussion

4．1 Growth performance and feed utilization

4．2 Whole body composition analysis

4．3 Economic analysis of the diets

5 Conclusions

CHAPTER 3 The Effects of Dietary Fish Meal Substitution with Graded Levels of Cottonseed and Blood Meals on Biochemical Parameters and Hepatoprotective Enzymes in GIFT Juveniles

1 Introduction

2 Materials and methods

2．1 Experimental fish and management

2．2 Diet preparation and experimental layout

2．3 Sample collection

2．4 Data analysis

3 Results

3．1 Serum biochemical parameters

3．2 Hepatoprotective enzymes

4 Discussion

4．1 Biochemical parameters

4．2Hepatoprotective enzymes

5 Conclusions

CHAPTER 4 Dietary Effects of a Blend of Cottonseed Meal and Blood Meal Supplemented with Methionine in Replacement of Fish Meal on Blood and Antioxidant Enzymes in GIFT Juveniles

1Introduction

2 Material and methods

2．1 Experimental fish and management

2．2 Diet preparation and experimental layout

2．3 Sample collection

2．4 Statistical analysis

3 Results

3．1 Blood parameters

3．2 Effects on antioxidant enzymes

4 Discussions

4．1 Blood parameters

4．2 Antioxidant enzymes

5 Conclusions

General conclusion

References

Appendix

Acknowledgements

Meetings Attended