Some Aspects of Farm-Rearing of Post-Larvae and Fry of Commonly Cultured Carps ( Pisces:Cyprinidae), and Development of Methodology Suitable for Rearing of Post-Larvae and Fry by Rural Communities of Sri Lanka (Record no. 3860)
[ view plain ]
| 000 -LEADER | |
|---|---|
| fixed length control field | nam a22 7a 4500 |
| 003 - CONTROL NUMBER IDENTIFIER | |
| control field | OSt |
| 005 - DATE AND TIME OF LATEST TRANSACTION | |
| control field | 20220622153545.0 |
| 008 - FIXED-LENGTH DATA ELEMENTS--GENERAL INFORMATION | |
| fixed length control field | 170520b xxu||||| |||| 00| 0 eng d |
| 040 ## - CATALOGING SOURCE | |
| Transcribing agency | NARA |
| 100 ## - MAIN ENTRY--PERSONAL NAME | |
| 9 (RLIN) | 10855 |
| Personal name | Ariyarathne, M.H.S. |
| 245 ## - TITLE STATEMENT | |
| Title | Some Aspects of Farm-Rearing of Post-Larvae and Fry of Commonly Cultured Carps ( Pisces:Cyprinidae), and Development of Methodology Suitable for Rearing of Post-Larvae and Fry by Rural Communities of Sri Lanka |
| 260 ## - PUBLISHER, DISTRIBUTION, ETC. | |
| Place of publication, distribution, etc. | Sri Lanka, |
| Name of publisher, distributor, etc. | University of Peradeniya, |
| Date of publication, distribution, etc. | 2000, |
| 300 ## - PHYSICAL DESCRIPTION | |
| Extent | 87p. |
| Dimensions | 32cm. |
| 505 ## - FORMATTED CONTENTS NOTE | |
| Formatted contents note | VI<br/>TABLE OF CONTENTS<br/>Page<br/>TITLE PAGE 1<br/>DECLARATION 11<br/>ABSTRACT 111<br/>ACKNOWLEDGMENTS V<br/>TABLEOFCONTENTS VI<br/>LIST OF TABLES IX<br/>LIST OF FIGURES XI<br/>LIST OF PLATES X I11<br/>CHAPTER 1 General Introduction 1<br/>l.Importance of fish as a source of animal protein to<br/>people of developing countries, especially that of<br/>rural sector.................................................................... 1<br/>2.The two major sources of fish - marine and<br/>freshwater (including aquaculture)................................... 2<br/>3.Sri Lankan situation and why freshwater fishes are<br/>important............................................................................ 3<br/>4. Freshwater fishery resources........................................... 8<br/>5. Species used for culture fishery and pond<br/>aquaculture......................................................................... 9<br/>6. Importance of seed sources............................................. 11<br/>7. Why development of community based seed sources<br/>are important for Sri Lanka............................................... 12<br/>8. Aim of the study.............................................................. 13<br/>CHAPTER 2 Materials and Methods-General 14<br/>Description and arrangement of experimental tanks.... 16<br/>Preparation of tanks........................................................ 16<br/>Measurement of physico-chemical parameters............. 20<br/>Sampling and length/weight measurements.................. 20<br/>Analyses of data............................................................. 21<br/>Method of feeding of post-larvae and fry..................... 21<br/>Plankton studies.............................................................. 23<br/>CHAPTER 3 Effect of organic manure on growth and survival<br/>of larvae of bighead carp, Aristichthys nobilis 26<br/>Introduction..................................................................... 26<br/>Materials and Method..................................................... 28<br/>Results.............................................................................. 29<br/>Discussion....................................................................... 35<br/>CHAPTER 4 Effect of stocking density on the growth and<br/>survival of fry of common carp (Cyprinus carpio) 39<br/>Introduction..................................................................... 39<br/>Materials and Method..................................................... 39<br/>Results.............................................................................. 40<br/>Discussion....................................................................... 45<br/>VI1<br/>Vlll<br/>CHAPTER 5 Effect of stocking density on the growth and<br/>survival of post-larvae of Aristichthys nobilis,<br/>Ctenopharyngodon idella, yprinus carpio and<br/>Labeo rohita 4 6<br/>Introduction..................................................................... 46<br/>Materials and Method.................................................... 47<br/>Results (a) Bighead carp and grass carp......................... 48<br/>(b)Rohu and common carp.............................. 50<br/>Discussion....................................................................... 54<br/>CHAPTER 6 Effect of the supplementary feed on the growth<br/>and survival of post-larvae of common carp and<br/>rohu reared in cement tanks 5 8<br/>Introduction..................................................................... 58<br/>Materials and Methods................................................. 60<br/>Results.............................................................................. 61<br/>Discussion....................................................................... 66<br/>CHAPTER 7 Effect of cowdung on natural food production for<br/>the rearing of post-larvae 70<br/>Introduction..................................................................... 70<br/>Materials and Methods.................................................. 72<br/>Results............................................................................ 72<br/>Discussion....................................................................... 79<br/>CHAPTER 8 General Discussion........................................................ 83<br/>REFERENCES 110<br/>APPENDICES Appendix I ........................................... ............................. 126<br/>IX<br/>List of Tables Page<br/>Table 1.1 The extent and the fish species to be stocked in<br/>various water bodies....................................................... 04<br/>Table 1.2 Aquaculture and Inland fish production target<br/>(MT)................................................................................. 06<br/>Table 1.3 Fish introductions into Sri Lanka (from De<br/>Silva, 1988......................................................................... 10<br/>Table 2.1 Experiments that were carried out in Udawalawe and<br/>Ginigathena Fisheries Stations......................................... 15<br/>Table 2.2 Preparation of tanks for stocking post-larvae (PL)... 19<br/>Table 2.3 Method of feeding of post-larvae and fry in this trials 21<br/>Table 2.4 The proximate composition(%) of fish feeds used.... 22<br/>Table 3.1 Final(after 34 days) mean length, Specific growth and<br/>percentage survival of bighead carp PL reared under<br/>different treatments........................................................ 29<br/>Table 3.2 Temperature (Morning & Evening), dissolved<br/>oxygen concentration (DO) and pH in PL rearing<br/>tanks under different manure treatment....................... 31<br/>Table 3.3 Secchi disc depth, volume of zooplankton and<br/>volumeof phytoplankton in PL rearing tanks under<br/>different manure treatments............................................. 31<br/>Table 4.1 Physico-chemical parameters, dissolved oxygen<br/>concentrations, pH and temperature (am & pm) (±sd)in<br/>fry rearing tanks concentrations, pH and temperature<br/>(am & pm) (±sd)in fry rearing tanks under different<br/>stocking densities (SD)..................................................... 42<br/>Table 4.2 Mean length on day 14, final mean length, specific<br/>growth rate in length on day 14 and on final day, and<br/>percentage survival of Cyprirms cctrpio fry at different<br/>stocking densities (SD).................................................... 43<br/>X<br/>Table 4.3 Variation of volume of phytoplankton, volume of<br/>zooplankton and Secchi disc depth variation (±sd)<br/>within Cyprinus carpio fry rearing................................. 45<br/>Table 5.1 Dissolved oxygen, temperature, pH and secchi disc<br/>depth in bighead carp PL and grass carp PL rearing<br/>tanks at different stocking densities(SD)........................ 49<br/>Table 5.2 Final mean survival of Aristichthys nobilis PL and<br/>Ctenopharyngodon survival of Aristichthys nobilis PL<br/>and Ctenopharyngodon idella PL reared under<br/>different stocking density regimes and different period<br/>of times............................................................................. 49<br/>Table 5.3 Physico-chemical parameters Temperature, pH and<br/>Secchi disc depth in Cyprinus carpio PL and Ixibeo<br/>rohita PL rearing tanks at different stocking densities... 50<br/>Table 5.4 Percentage survival (±sd) of Cyprinus carpio PL and<br/>Labeo rohita PL reared in different stocking densities... 53<br/>Table 5.5 Mean length variation (±sd) of Cyprinus carpio PL and<br/>Labeo rohita PL reared in different stocking densities... 53<br/>Table 5.6 Specific growth rate in length of Cyprinus carpio PL<br/>and Labeo rohita PL reared in different stocking<br/>densities............................................................................. 54<br/>Table 6.1 Physico-chemical parameters dissolved oxygen,(DO)<br/>pH and secchi disc depth in Cyprinus carpio PL and<br/>Labeo rohita PL rearing tanks under different feeding<br/>regimes.............................................................................. 62<br/>Table 6.2 Percentage survival of Labeo rohita PL and Cyprinus<br/>carpio PL under different feeding regimes......... 63<br/>Table 6.3 Intermediate mean lengths and final mean length (±sd)<br/>of Cyprinus carpio and Labeo rohita fry under<br/>different feeding regimes.................................................. 64<br/>XI<br/>Table 6.4 Specific growth rate in length on day 7, 14, 21 and final<br/>day of Labeo rohita and Cyprinus carpio fry under<br/>different feeding treatments............................................ 66<br/>Table 7.1 Appearance of plankton species in the fertilized tanks... 74<br/>Table 7.2 Physico-chemical parameters, dissolved oxygen,<br/>temperature, pH and secchi disc depth in tanks<br/>manured with cowdung for natural food culture........... 79<br/>Table 7.3 Proximate analyses of organisms serving as food for<br/>pond fishes........................................................................ 82<br/>Table 8.1 Comparison of the method used in the present study<br/>with the methods of Indrasena & Ellepola (1964)<br/>Ellepola & Fernando (1966) and Hora & Pillay (1962) 89<br/>Xll<br/>List of Figures Page<br/>Fig. 1.1 World fish production (marine and inland)................. 07<br/>Fig. 1.2 Inland fish production in Sri Lanka during the period<br/>1977 to 1996..................................................................... 07<br/>Fig.2.1 The set up of the cement tanks in Udawalawe Fisheries<br/>Station....................................................... 17<br/>Fig. 2.2 The set up of the cement tanks in Ginigathena Fisheries<br/>Station....................................................... 18<br/>Fig.2.3 Selection of squares for counting plankton density<br/>under stero-microscope.................................................. 25<br/>Fig.3.1 Mean length and weight of Aristichthys nobilis postlarvae<br/>reared under different organic manure regimes... 28<br/>Fig.3.2 Dissolved oxygen levels in the control tank and these<br/>that were treated with chicken manure and cowdung... 30<br/>Fig.3.3 Temperature and dissolved oxygen concentration in<br/>tanks under different organic manure regimes................ 32<br/>Fig.3.4 Changes of volume of phytoplankton and zooplankton<br/>and the Secchi disc depth of the control tank and those<br/>treated with cowdung and chicken manure.................. 33<br/>Fig.4.1 Variation of temperature, dissolved oxygen<br/>concentration and pH with time under different<br/>stocking densities............................................................. 41<br/>Fig.4.2 Changes of the volume of phytoplankton, zooplankton<br/>and the secchi disc depth with time................................. 44<br/>Fig.5.1(a) Variation of pH and Secchi disc depth during Labeo<br/>rohita and Cyprinus carpio PL rearing at different<br/>stocking densities............................................................. 51<br/>Fig. 5.1(b) Temperature variation with time in the rearing of postlarvae<br/>of Labeo rohita and Cyprinus carpio under<br/>different stocking densities.............................................. 52<br/>Xlll<br/>Fig. 6.1<br/>Fig. 7.1<br/>Fig.7.2<br/>Fig. 7.3<br/>Coefficient of variation of mean length of C. carpio and<br/>Labeo rohita post-larvae reared (a)without<br/>supplementary feed (b) with rice bran and (c )locally<br/>formulated feed............................................................... 65<br/>Variation of temperature, secchi disc depth and pH<br/>with time in culture tanks................................................ 77<br/>Variation of plankton and Secchi disc depth in the<br/>tanks fertilized with cow-dung........................................ 78<br/>Variation of no. of rotifers and Secchi disc depth in<br/>tanks fertilized with cow-dung 78<br/>X IV<br/>List of plates Page<br/>Plate 8.1 The fry in net cage temporarily set in stream (Udawalawe<br/>Fisheries Station) before being transported to.the final<br/>destination............................................................................. 105 |
| 650 #0 - SUBJECT ADDED ENTRY--TOPICAL TERM | |
| 9 (RLIN) | 18080 |
| Topical term or geographic name entry element | Master of Philosophy M.phil |
| 650 #0 - SUBJECT ADDED ENTRY--TOPICAL TERM | |
| 9 (RLIN) | 18079 |
| Topical term or geographic name entry element | Rural Communities of Sri Lanka |
| 856 ## - ELECTRONIC LOCATION AND ACCESS | |
| Uniform Resource Identifier | <a href="http://www.erepository.nara.ac.lk/handle/1/1017">http://www.erepository.nara.ac.lk/handle/1/1017</a> |
| 942 ## - ADDED ENTRY ELEMENTS (KOHA) | |
| Source of classification or shelving scheme | Universal Decimal Classification |
| Koha item type | Thesis |
| Withdrawn status | Lost status | Source of classification or shelving scheme | Damaged status | Not for loan | Home library | Current library | Shelving location | Date acquired | Inventory number | Total Checkouts | Barcode | Date last seen | Copy number | Price effective from | Koha item type |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dewey Decimal Classification | NARA Main Library | NARA Main Library | Ready Reference | 16.08.2000 | RR0001 | RR0001 | 20.05.2017 | RR0001 | 16.08.2000 | Thesis |