Genetic enhancement of sorghum and millet residues fed to ruminants: An ex ante assessment of returns to research
Gespeichert in:
| Hauptverfasser: | , |
|---|---|
| Format: | Buch |
| Sprache: | English |
| Veröffentlicht: |
Nairobi
Internat. Livestock Research Inst.
1999
|
| Schriftenreihe: | ILRI impact assessment series
3 |
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | VII, 44 S. |
| ISBN: | 9291460532 |
Internformat
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Datensatz im Suchindex
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| adam_text | Titel: Genetic enhancement of sorghum and millet residues fed to ruminants
Autor: Kristjanson, Patricia M.
Jahr: 1999
Table of Contents
List of Tables.............................................................v
List of Figures...........................................................vi
Acknowledgements.......................................................vii
Executive summary........................................................1
1. Background...........................................................3
Introduction..........................................................3
Sorghum and millet crop residues research..................................3
Approach.............................................................5
2. The research challenge: Genetic improvement of sorghum and millet
crop residues..........................................................6
Introduction..........................................................6
Research constraints and opportunities.....................................6
Stover versus grain yield...............................................7
Stover quantity versus stover quality.....................................7
Genotype versus genotype X environmental effects.........................7
Research plan.........................................................7
3. Use of GIS and surveys to identify the recommendation domain................10
Introduction.........................................................10
Use of secondary data and GIS to identify a recommendation domain............10
Characterisation and division of the recommendation domain..................11
Use of primary data to identify herd composition and feed use patterns..........13
Description of survey and districts surveyed..............................13
Herd composition..................................................17
Feed composition...................................................17
Feed allocation.................................................... 18
4. Measuring the potential productivity gains: How much impact?.................20
Approach: Feed-animal performance model description......................20
Feed model results....................................................21
5. Using the economic surplus model to measure potential returns to the
research investment....................................................23
The model..................................................•........23
Assessing the returns to genetic improvement in dual-purpose millet and
sorghum research.....................................................25
Data and assumptions used in the economic model..........................26
Quantities and costs associated with the new varieties......................26
Prices and price responsiveness (elasticities)..............................26
Research lag, costs and probability of research success......................27
Adoption lag and ceiling level of adoption..................................28
Results of the economic model: Returns to the research investment..............30
Sensitivity analysis.....................................................32
Probability of research success.........................................32
Adoption levels....................................................32
Research period....................................................33
Research costs.....................................................33
Discount rate......................................................33
6. Summary and conclusions..............................................34
Other potential benefits................................................34
References.............................................................36
Appendix A. Proposed ILR1/ICRISAT/NARS Research Project on Genetic
Improvement of Millet and Sorghum Crop Residues.................40
Selected districts of the recommended domains.....................40
Appendix B. Proposed ILRI/ICRISAT/NARS Research Project on Geneti
Improvement of Millet and Sorghum Crop Residues.................41
Estimated research timetable and costs ...........................41
Estimated research costs for the NARS............................42
Appendix C. Results of feed-animal performance model........................43
Appendix D. Acronyms and abbreviations....................................44
|
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| indexdate | 2024-07-09T19:20:31Z |
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| isbn | 9291460532 |
| language | English |
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| physical | VII, 44 S. |
| publishDate | 1999 |
| publishDateSearch | 1999 |
| publishDateSort | 1999 |
| publisher | Internat. Livestock Research Inst. |
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| series | ILRI impact assessment series |
| series2 | ILRI impact assessment series |
| spelling | Kristjanson, Patricia M. Verfasser aut Genetic enhancement of sorghum and millet residues fed to ruminants An ex ante assessment of returns to research P. M. Kristjanson and E. Zerbini Nairobi Internat. Livestock Research Inst. 1999 VII, 44 S. txt rdacontent n rdamedia nc rdacarrier ILRI impact assessment series 3 Crop residues as feed Millets Genetic engineering India Millets Residues India Sorghum Genetic engineering India Sorghum Residues India Ernterückstand (DE-588)4152843-8 gnd rswk-swf Futtermittel (DE-588)4019014-6 gnd rswk-swf Pflanzenzüchtung (DE-588)4045599-3 gnd rswk-swf Ertragssteigerung (DE-588)4373719-5 gnd rswk-swf Sorghumhirse (DE-588)4181863-5 gnd rswk-swf Perlhirse (DE-588)4209339-9 gnd rswk-swf Indien Sorghumhirse (DE-588)4181863-5 s Pflanzenzüchtung (DE-588)4045599-3 s Ernterückstand (DE-588)4152843-8 s Ertragssteigerung (DE-588)4373719-5 s Futtermittel (DE-588)4019014-6 s DE-604 Perlhirse (DE-588)4209339-9 s Zerbini, Ennio Verfasser aut ILRI impact assessment series 3 (DE-604)BV017027068 3 HBZ Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=010623070&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Kristjanson, Patricia M. Zerbini, Ennio Genetic enhancement of sorghum and millet residues fed to ruminants An ex ante assessment of returns to research ILRI impact assessment series Crop residues as feed Millets Genetic engineering India Millets Residues India Sorghum Genetic engineering India Sorghum Residues India Ernterückstand (DE-588)4152843-8 gnd Futtermittel (DE-588)4019014-6 gnd Pflanzenzüchtung (DE-588)4045599-3 gnd Ertragssteigerung (DE-588)4373719-5 gnd Sorghumhirse (DE-588)4181863-5 gnd Perlhirse (DE-588)4209339-9 gnd |
| subject_GND | (DE-588)4152843-8 (DE-588)4019014-6 (DE-588)4045599-3 (DE-588)4373719-5 (DE-588)4181863-5 (DE-588)4209339-9 |
| title | Genetic enhancement of sorghum and millet residues fed to ruminants An ex ante assessment of returns to research |
| title_auth | Genetic enhancement of sorghum and millet residues fed to ruminants An ex ante assessment of returns to research |
| title_exact_search | Genetic enhancement of sorghum and millet residues fed to ruminants An ex ante assessment of returns to research |
| title_full | Genetic enhancement of sorghum and millet residues fed to ruminants An ex ante assessment of returns to research P. M. Kristjanson and E. Zerbini |
| title_fullStr | Genetic enhancement of sorghum and millet residues fed to ruminants An ex ante assessment of returns to research P. M. Kristjanson and E. Zerbini |
| title_full_unstemmed | Genetic enhancement of sorghum and millet residues fed to ruminants An ex ante assessment of returns to research P. M. Kristjanson and E. Zerbini |
| title_short | Genetic enhancement of sorghum and millet residues fed to ruminants |
| title_sort | genetic enhancement of sorghum and millet residues fed to ruminants an ex ante assessment of returns to research |
| title_sub | An ex ante assessment of returns to research |
| topic | Crop residues as feed Millets Genetic engineering India Millets Residues India Sorghum Genetic engineering India Sorghum Residues India Ernterückstand (DE-588)4152843-8 gnd Futtermittel (DE-588)4019014-6 gnd Pflanzenzüchtung (DE-588)4045599-3 gnd Ertragssteigerung (DE-588)4373719-5 gnd Sorghumhirse (DE-588)4181863-5 gnd Perlhirse (DE-588)4209339-9 gnd |
| topic_facet | Crop residues as feed Millets Genetic engineering India Millets Residues India Sorghum Genetic engineering India Sorghum Residues India Ernterückstand Futtermittel Pflanzenzüchtung Ertragssteigerung Sorghumhirse Perlhirse Indien |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=010623070&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
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