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Duarte, P.Hansen, F.Grace, DeliaMariner, Jeffrey C.[Compartmentalization: the value of dynamic system models in risk assessment]Compartmentalization: the value of dynamic system models in risk assessment

The design of technological interventions and their ex ante evaluation is one of the most critical steps in farming systems research, since it is an initial effort to find solutions to those problems prioritised by farmers. This paper discusses the design of technological interventions with refer...


Pezo, Danilo A.[Design and ex-ante analysis for technological interventions]Design and ex-ante analysis for technological interventions

There are diverse opinions as to what an ecoregional research approach should involve. Ecoregional research is meant to fill gaps in natural resources management research, rationalise overlapping mandates, provide focal points and streamline interactions between NARS (National Agricultural Resear...


Smith, Jimmy W.[Ecoregional research in sub-humid West Africa]Ecoregional research in sub-humid West Africa

Presents procedures for feed budgeting and allocation developed to access the quantity and quality of all feed components and to determine the production goals of each enterprise and allocates feed in relation to their requirements within the framework of overall feed supplies. Examines land, cro...


Leeuw, P.N. deDzowela, B.H.Nyambaka, R.[Budgeting and allocation of feed resources]Budgeting and allocation of feed resources

In this paper, a broader perspective on the causes of environmental degradation is taken and issues for policy analysis are examined. Causes of natural resource degradation, property arrangements, capital markets, commodity prices, monetary policy, and marketing are discussed. Highlights issues f...


Ehui, Simeon K.[Environmental degradation in sub-Saharan Africa: issues for policy analysis]Environmental degradation in sub-Saharan Africa: issues for policy analysis

In semi-arid south-western Niger, climatic variability, low productivity, poverty and institutional constraints limit the scope of agricultural production to meet the rising needs of the growing human population. The integration of crop and livestock production activities has long been seen as th...


Rovere, R. LaHiernaux, Pierre H.Y.Keulen, H. van[Options for intensification of mixed crop-livestock systems in rural communities of south-western Niger: Prospects and constraints]Options for intensification of mixed crop-livestock systems in rural communities of south-western Niger: Prospects and constraints
Autor: Freeman, H.A.

There is a widespread and growing concern about the extent and consequences of degradation of the natural resources base in many developing countries. This study explores the effect of selected economic policies on farm-household consumption and production choices in northern Nigeria and evaluate...


Freeman, H.A.[Environment and government policies in northern Nigeria]Environment and government policies in northern Nigeria
Autor: Windon, R.

The paper focusses on the genetic control of immunoresponsiveness in Trichostrongylus selection lines. It discusses results from other selection programmes in which some characterisation of the immune - response system has been undertaken. It is Reported that some aspects of this work may not hav...


Windon, R.[Resistance to endoparasites in small ruminants: Immunological considerations]Resistance to endoparasites in small ruminants: Immunological considerations
Autor: Mukhebi, A.W.

This paper first discusses the need to assess the economic impact of livestock diseases and their control. It then examines the conceptual framework for assessing the economic impact of diseases and their control. This is followed by a brief explanation of some of the economic concepts behind the...


Mukhebi, A.W.[Assessing economic impact of tick-borne diseases and their control: the case of theileriosis immunisation]Assessing economic impact of tick-borne diseases and their control: the case of theileriosis immunisation
Autor: Rege, J.E.O.

Summarises the critical steps for designing a comprehensive breeding system. Breed (genotype) comparison and utilization are discussed with ref. to breeding policy, environment and management systems, genetic parameters, purebreds, F1 crosses, rotational crossing, and F2 and F3 generations of bre...


Rege, J.E.O.[Lecture notes on design and analysis of breed comparison experiments]Lecture notes on design and analysis of breed comparison experiments

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