Sökning: "livestock"

Visar resultat 21 - 25 av 110 avhandlingar innehållade ordet livestock.

  1. 21. Infection through the farm gate : studies on movements of livestock and on-farm biosecurity

    Författare :Maria Nöremark; Sveriges lantbruksuniversitet; Sveriges lantbruksuniversitet; []
    Nyckelord :LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES;

    Sammanfattning : This thesis is based on studies of movements of livestock, on-farm biosecurity and disease awareness among farmers in Sweden; factors which can affect the spread of contagious livestock diseases. The structure of the cattle and pig movements were analysed using data obtained from the Swedish Board of Agriculture. LÄS MER

  3. 22. The Economics of Community-Based Wildlife Conservation in Zimbabwe

    Författare :Edwin Muchapondwa; Göteborgs universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; bio-economic; CAMPFIRE; common property; community; design principles; dichotomous choice; diversification; elephant nuisance; institutions; insurance; poaching; risk management; simple spike; wildlife conservation; wildlife-livestock conflict;

    Sammanfattning : This thesis deals with the economics of community-based wildlife conservation in Zimbabwe. It consists of an introductory chapter and four self-contained chapters. Chapter 1 spells out the history of wildlife conservation leading to the inception of CAMPFIRE. Research issues at the core of the rest of the thesis are also highlighted. LÄS MER

  4. 23. Vegetation dynamics in relation to livestock grazing in a semi-arid steppe in inner Mongolia

    Författare :Wei Zhang; Uppsala universitet; []
    Nyckelord :NATURAL SCIENCES; NATURVETENSKAP;

    Sammanfattning : .... LÄS MER

  5. 24. Towards sustainable livestock systems: Developing and applying methods for broad sustainability assessment of pig and cattle systems

    Författare :Stanley Zira; Sveriges lantbruksuniversitet; Sveriges lantbruksuniversitet; []
    Nyckelord :LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES;

    Sammanfattning : Meat and milk are valuable foods from livestock that contribute to quality of life for humans but have negative environmental, social and economic impacts. Measuring such impacts in sustainability assessments requires methods with a broad and deep focus. LÄS MER

  7. 25. Integrating legumes in mixed crop-livestock systems in east Africa: Farmers' perceptions, ecosystem services and support for decision making

    Författare :Tarirai Muoni; Sveriges lantbruksuniversitet; Sveriges lantbruksuniversitet; []
    Nyckelord :LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES;

    Sammanfattning : Challenges faced by smallholder farmers in east Africa include limited access to inputs, small farm sizes, and erratic rainfall patterns. Legume intensification and species diversification have been recommended for improving food and nutritional security, controlling soil erosion, improving soil fertility, supplying income and providing fuel. LÄS MER