The interactive effect of feeding frequency and feeding time on the growth of Nile tilapia (Oreochromis niloticus) | |
| Author | Chan Rotha |
| Call Number | AIT Thesis no. AS-97-18 |
| Subject(s) | Nile Tilapia Fishes--Feeding and feeds |
| Note | A thesis submitted in pa1tial fulfillment of the requirements for the degree of Master of Science, School of Environment, Resources and Development |
| Publisher | Asian Institute of Technology |
| Series Statement | Thesis ; no. AS-97-18 |
| Abstract | An experiment was conducted to study the interactive effect of feeding frequency and feeding time for the growth of Nile tilapia and also to determine the relationship between diurnal DO fluctuation, feeding frequency and feeding time on the growth performance of this fish species. Sex-reversed all male Nile tilapia (Oreochromis niloticus) fingerlings ranging from 26 to 37 gin weight, were reared in cages installed in a 800 m 2 -fertilized pond for the period of 84 days. The fish were stocked at a density of 10 fish/m2 • Complete diet was given to the fish with 10 feeding schedules in relation to diurnal DO fluctuation in green water pond where treatment FT8, FTlO, FT12, FT15 and FTl 7 fish were fed once a day at 8:00 a.m., 10:00 a.m., 12:00 a.m., 03:00 p.m., and 5:00 p.m. respectively, while treatment FT8;12, FT8;17 and FT12;17 fish were fed twice a day at 8:00 a.m. and 12:00 .a.m., at 8:00 a.m. and 5:00 p.m., and at 12:00 a.m. and 5:00 p.m. respectively and the treatments fed three times a day FT8;12;15 (fed at 8:00 a.m., 12:00 a.m. and 3:00 p.m.) FT10;12;17 (fed at 10:00 a.m., 12:00 am and 5:00 p.m.). There was no significant (P>0.05) relationship between feeding time and DWG. Among treatments of one time feeding per day, treatment fed at dawn (8:00 am) had significant lower Survival Rate and Net Production than treatment fed at 10:00 am. DWG of overall responses at 3 feeding frequencies: once, twice and three times a day were 2.60, 3.00 and 3.23 g/fish/day, with corresponding NP of2.10, 2.50 and 2.70 kg/m3 , respectively. The total feed intake ranged from the minimum of 7.66 kg in treatment FTl 7 (fed once at 5:00 p.m.) to the maximum of 12.54 kg in treatment FT8:12:15 (fed three times at 8:00 a.m., 12:00 a.m. and 03:00 p.m.). There was no significant difference (P>0.05) in Feeding Rate (FR) under different feeding time during a day, but was significant difference under different feeding frequencies |
| Year | 1997 |
| Corresponding Series Added Entry | Asian Institute of Technology. Thesis ; no. AS-97-18 |
| Type | Thesis |
| School | School of Environment, Resources, and Development (SERD) |
| Department | Department of Food, Agriculture and Natural Resources (Former title: Department of Food Agriculture, and BioResources (DFAB)) |
| Academic Program/FoS | Agricultural and Aquatic Systems(AS) |
| Chairperson(s) | Yakupitiyage, Amararatne; |
| Examination Committee(s) | Lin, Chang Kwei ;Little, David; |
| Scholarship Donor(s) | DANIDA,Cambodia ; |
| Degree | Thesis (M.Sc.) - Asian Institute of Technology, 1997 |