Showing 81 - 90 of 98,638
In the context of bovine tuberculosis (bTB) control in New Zealand cattle, we address the problem of management under uncertain disease prevalence by integrating a model of disease transmission and Bayesian learning from testing. We show the implications of accounting for the full dynamic value...
Persistent link: https://www.econbiz.de/10011068573
The moist savannah zone in sub-Saharan Africa is regarded as a high potential area for crop and livestock production. Currently, human labour is the principal source of power for crop production and the level of commercial energy use is very low. Agropastoralism and pastoralism are the principal...
Persistent link: https://www.econbiz.de/10011246198
Persistent link: https://www.econbiz.de/10011246270
Agricultural intensification is widely seen as a condition sine-qua-non for enhanced food security and as a major driver for overall economic growth in sub-Saharan Africa (SSA). In this process, the financial system has an important role to play, especially to finance agricultural inputs....
Persistent link: https://www.econbiz.de/10005068373
Da die extensive Grünlandbewirtschaftung aufgrund schwieriger Rahmenbedingungen zunehmend unter Druck gerät, sind neben der Optimierung herkömmlicher Landnutzungsverfahren Alternativen gefragt, die sowohl den Erhalt als auch eine ökonomisch tragfähige Nutzung von naturschutzfachlich...
Persistent link: https://www.econbiz.de/10011070479
This paper identifies and synthesises strategic opportunities and challenges facing New Zealand’s sheep meat and beef sector over the next 10 to 15 years. A Delphi surveydraws on the sector’s collective knowledge and identifies areas of consensus anddivergence of opinion. Using the results...
Persistent link: https://www.econbiz.de/10009443665
Cattle rearing in humid west Africa was nearly impossible in the past owing to the prevalence of trypanosomiasis, a disease caused by the tsetse fly. However, in recent times, with population pressure, jungle clearance, crop cultivation and tsetse control measures, the challenge has been...
Persistent link: https://www.econbiz.de/10011246245
The incorporation of livestock into alley farming systems, in which food or forage crops are grown between hedges of multipurpose trees that are regularly pruned for mulch and/or forage, has been studied for over 10 years in Africa. Prunings from leguminous trees such as Leucaena and Gliricidia...
Persistent link: https://www.econbiz.de/10011246271
This paper updates an analysis of returns from major productive land uses in New Zealand carried out in 2008. Trends in profitability over time are shown, and a preliminary investigation of the relationship between land-use change towards forestry (new land planting) and forestry profitability...
Persistent link: https://www.econbiz.de/10009324299
Pig farming is one of the strongest polluters of water resources due to its intensive production techniques and slurry rejection. Several European countries have already introduced environmental regulations aiming at reducing the pollution caused by nitrates from agricultural sources, but not...
Persistent link: https://www.econbiz.de/10009201381