Discusses the need for data on voluntary offtake & acquisition of livestock in pastoral production systems, and considers methods through which desired data can be collected, particularly multiple-visit, and single-visit progeny history technique.
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Showing items 1 through 9 of 106.-
Library ResourceConference Papers & ReportsDecember, 1983
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Library ResourceReports & ResearchDecember, 1983
Discusses livestock water needs and the variation of water dependence in dif. circumstance, mentioning body water functions; physiological aspects of water balance; channels of gain & loss; and factors affecting water balance, particularly energy production, thermoregulation and water availability. Examines energy and water use, as well as water & livestock development in pastoral areas of Africa.
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Library ResourceConference Papers & ReportsDecember, 1983
Discusses how low level aerial survey can be used to diagnose constraints within pastoral systems and the relative cost effectiveness of such operations, with particular reference to flight & sample procedures and information collection and analysis; presents some results from low-altitutde aerial survey undertaken by ILCA in Nigeria, Mali, Niger and Ethiopia.
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Library ResourceConference Papers & ReportsDecember, 1983
Discusses the aim of studies on vegetation & feed resources in pastoral systems, describing the collection & presentation of data in the descriptive phase; identification of constraints in the diagnostic phase; and analysis of the impact of selected variables or technical innovations on the systems' functioning, and the development of adapted technology in the experimental phase.
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Library ResourceConference Papers & ReportsDecember, 1983
Describes techniques of long-and short-term measurements of changes in vegetation and feed resources in pastoral systems, with particular reference to sampling techniques and costs of the various methods.
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Library ResourceConference Papers & ReportsDecember, 1983
Discusses issues related to the collection of data on labour inputs for pastoral production, considering the utility of data on labour as part of pastoral systems research, and research methods for data collection, particularly for multi-visit recall techniques and the time allocation technique.
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Library ResourceConference Papers & ReportsDecember, 1983
Reviews most recent applications of methodologies for resource surveys appropriate to pastoral & agro-pastoral regions in Africa, with particular reference to remote sensing methodologies, viz. satellite imagery, aerial photography, side-looking radar (SLR), spectral radiance and low-altitutde aerial survey. Discusses the integration of remote sensing techniques with ground truth within the context of rapid appraisal methods and early warning procedures within a livestock systems research approach.
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Library ResourceJournal Articles & BooksDecember, 1983Costa Rica, Central America, South America
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Library ResourceConference Papers & ReportsDecember, 1983
Discusses ways of studying economics of household level activities in pastoral production systems, with particular reference to the collection and analysis of data on household income and expenditure as well as resources inventory.
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Library ResourceConference Papers & ReportsDecember, 1983
Reviews differences between crop production and pastoral production, considering their effects on research possibilities; and describes basic methods that may be used to collect household level data, esp. informal & formal surveys, enumeration and the use of questionnaires.
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