| Abstract | 第1-8页 |
| 摘要 | 第8-17页 |
| 1. GENERAL INTRODUCTION | 第17-37页 |
| ·Aquaculture in Tanzania | 第17-19页 |
| ·Research Background | 第19-21页 |
| ·Tilapia | 第21-22页 |
| ·Low Cost Fish Feeds | 第22-23页 |
| ·Rapeseed/Canola meal | 第23-35页 |
| ·Rapeseed overview | 第23-25页 |
| ·Chinese rapeseed | 第25-26页 |
| ·Australia rapeseed | 第26页 |
| ·Canadian canola | 第26-27页 |
| ·Nutritional properties of rapeseed | 第27-28页 |
| ·Anti-nutrients present in rapeseed meal | 第28-35页 |
| ·Objective | 第35-37页 |
| 2 MATERIALS AND METHODS | 第37-45页 |
| ·Tests Diet | 第37-38页 |
| ·Experimental Fish and Facilities | 第38-39页 |
| ·Sample Collection and Biochemical Analysis | 第39-45页 |
| ·Sample collection | 第39页 |
| ·Nutrient retention efficiency | 第39-40页 |
| ·Determination of survival rate SR | 第40-43页 |
| ·Determination of growth rate SGR | 第43页 |
| ·Determination of feeding conversion ratio FCR | 第43页 |
| ·Determination of Enzymatic Activities | 第43页 |
| ·Statistical Data Analysis | 第43-45页 |
| 3 RESULTS | 第45-79页 |
| ·Biochemical Composition of four sources of rapeseed | 第45-50页 |
| ·Protein solubility and antinutritional factors composition | 第45-49页 |
| ·Amino acid profile of the four rapeseed sources | 第49-50页 |
| ·Antinutritional factors present in the test diets | 第50-52页 |
| ·Effect of Four rapeseed dietary groups on Growth performance of Tilapia | 第52-58页 |
| ·Feed Intake Trend | 第53-54页 |
| ·Weight gain rate(%WGR) | 第54-55页 |
| ·Specific growth rate(%SGR) | 第55页 |
| ·Feed conversion ratio(%FCR) | 第55-56页 |
| ·Comparison between the four dietary groups | 第56-58页 |
| ·Chinese rapeseed meal(CHN-RSM) | 第56页 |
| ·Chinese rapeseed cake(CHN-RSC) | 第56-57页 |
| ·Australian rapeseed meal(AUS-RSM) | 第57页 |
| ·Canadian rapeseed meal (CAN-RSM) | 第57-58页 |
| ·Effect of three levels of four rapeseed sources on physical indicators and somatic indices of tilapia | 第58-65页 |
| ·Body Length | 第59-60页 |
| ·Body Height | 第60-61页 |
| ·Body length and body heights relationship(L/H-relationship) | 第61页 |
| ·Visceral somatic index(%VSI) | 第61-63页 |
| ·Hepatosomatic index(%HIS) | 第63-64页 |
| ·Condition factor(CF) | 第64-65页 |
| ·The effect of three levels of four rapeseed sources on the whole body nutrients composition of tilapia | 第65-69页 |
| ·Moisture content | 第65-66页 |
| ·Crude Protein(CP)content | 第66-67页 |
| ·Crude lipid/fat content(CF) | 第67-69页 |
| ·Crude ash(Cash)content | 第69页 |
| ·The effect of three levels of four rapeseed diets on whole body nutrients retention rate of tilapia | 第69-73页 |
| ·Dry matter Retention rate DMRR | 第70页 |
| ·Protein Retention Rate PRR | 第70-71页 |
| ·Lipid Retention Rate LRR | 第71-72页 |
| ·Ash Retention Rate ARR | 第72-73页 |
| ·Effect of three levels of four RSC/RSM diets on digestive enzymes activity and antioxidant capacity on liver and gastrointestinal tract of tilapia | 第73-79页 |
| ·Superoxide dismutase(SOD)activity in Liver | 第74页 |
| ·Pepsin Activity in Stomach of tilapia | 第74-75页 |
| ·Trypsin activity in the Intestinc of tilapia | 第75-76页 |
| ·Amylase activity in tilapia intestine | 第76页 |
| ·Lipase activity in intestine of tilapia | 第76-79页 |
| 4 DISCUSSSION | 第79-87页 |
| 5 CONCLUSION AND RECOMMENDATIONS | 第87-89页 |
| ACKNOWLEDGEMENTS | 第89-91页 |
| REFERENCES | 第91-98页 |
