A systems approach to comparing indigenous and scientific knowledge: consistency and discriminatory power of indigenous and laboratory assessment of the nutritive value of tree fodder |
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| Institution: | 1. Tanzania Livestock Research Institute (TALIRI) - Uyole, P. O. Box 6191, Mbeya, Tanzania;2. Tanzania Livestock Research Institute (TALIRI) - Mpwapwa, P. O. Box 202, Dodoma, Tanzania;3. Department of Veterinary Medicine and Public Health, Sokoine University of Agriculture, P. O. Box 3021, Morogoro, Tanzania;4. Department of Animal Science and Production, Faculty of Agriculture, Sokoine University of Agriculture, P. O. Box 3004, Morogoro, Tanzania;5. Section for Parasitology and Aquatic Pathobiology, Department of Veterinary Disease Biology, University of Copenhagen, Dyrlægevej 100, DK-1870 Frederiksberg C, Denmark;1. Public Health England Food Water and Environmental Microbiology Services, National Infection Service, Colindale, London NW9 5EQ, UK;2. University of Liverpool, Institute of Infection and Global Health, Waterhouse Building, 1-5 Brownlow Street, Liverpool L69 3GL, UK;3. Public Health England Food Water and Environmental Microbiology Laboratory York, National Infection Service, National Agri-Food Innovation Campus, York YO41 1LZ, UK;4. Public Health England Statistics, Modelling and Economics Department, National Infection Service, 61 Colindale Avenue, London NW9 5EQ, UK;5. Public Health England Gastrointestinal Bacteria Reference Unit, National Infection Service, 61 Colindale Avenue, London NW9 5EQ, UK;6. Public Health England Food Water and Environmental Microbiology Laboratory London, National Infection Service, Colindale, London NW9 5EQ, UK;7. Public Health England Food Water and Environmental Microbiology Laboratory Porton, National Infection Service, Porton Down, Salisbury SP4 0JG, UK;8. Public Health England, Gastrointestinal Infections Department, National Infection Service, London, NW9 5EQ, UK |
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| Abstract: | In recent years, the assumption in agricultural R&D that scientific knowledge can and should displace local knowledge and practice has been challenged by an emerging view of local knowledge as a key component of an agricultural system. This paper describes a study of the discriminatory powers of assessment by farmers and by laboratory techniques, of the nutritive value of tree fodder found in the middle hills of Nepal. The two systems of nutritive value assessment for tree fodder are described and evaluated through detailed investigation of eight types of tree fodder (one leguminous and seven non-leguminous), used to supplement crop residue-based diets for cattle during the dry season. Both systems are shown to provide means of discriminating fodder sources in terms of their nutritive value that are comparable in terms of discriminatory power and consistency. This research suggests that laboratory assessment of the feed quality of tropical tree fodder may be used to build on and enhance rather than replace local classification. |
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