Sökning: "Livestock"

Visar resultat 1 - 5 av 110 avhandlingar innehållade ordet Livestock.

  1. 1. Livestock, feed production and land use – an environmental assessment

    Författare :Yaw Sasu-Boakye; Chalmers University of Technology; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; LANTBRUKSVETENSKAPER; ENGINEERING AND TECHNOLOGY; AGRICULTURAL SCIENCES; partial equilibrium modelling; land use impacts; livestock production; soya beans; life cycle assessments; ecosystem services; protein feeds; feed substitution;

    Sammanfattning : The use of land for agriculture contributes substantially to today’s global environmental challenges such as climate change, water and land degradation and biodiversity loss. Today, about 38% of the ice-free land surface on earth is used as agricultural land, with about 75% of agricultural land used to produce feed for livestock. LÄS MER

  2. 2. Zoom in on the precision livestock farming

    Författare :Keni Ren; Johannes Karlsson; Hibo Li; Matti Pastell; Umeå universitet; []
    Nyckelord :ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; AGRICULTURAL SCIENCES; LANTBRUKSVETENSKAPER; TEKNIK OCH TEKNOLOGIER; LANTBRUKSVETENSKAPER; ENGINEERING AND TECHNOLOGY; AGRICULTURAL SCIENCES; precision livestock farming; computer vision; sensor fusion; object tracking; real-time location system; animal behaviour; machine learning;

    Sammanfattning : Global attention to the welfare of zoo animals and livestock results in stronger legislation and higher pressure for achieving higher standards of animal welfare. Monitoring and understanding animal behaviour can assist in optimising the welfare of zoo and livestock animals. LÄS MER

  3. 3. Nutrient cycling in agroecosystems: nitrogen cycling in southern Sweden in the 1850s and two Tanzanian villages in the 1990s

    Författare :Lars-Erik Williams; Biologiska institutionen; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; nutrient; nutrient model; nutrient cycling; nitrogen fixation; nitrogen budget; mixed system; miombo; manure; livestock; land use; historical system; food production; efficiency; crops; agroecosystem; carrying capacity; phosphorus; Scania; sustainability; Plant ecology; Växtekologi;

    Sammanfattning : This study presents a general model for analysing nutrient cycling in agroecosystems. The focus is on food production intensity, human carrying capacity, sustainability and efficiency. The model can be used on systems including different kinds of land uses, which makes it applicable for studies on different scales. LÄS MER

  4. 4. Women's cattle ownership in Botswana : Rebranding gender relations?

    Författare :Andrea Petitt; Seema Arora-Jonsson; Alice J. Hovorka; Cecilia Waldenström; Jaqueline Solway; Sveriges lantbruksuniversitet; Sveriges lantbruksuniversitet; []
    Nyckelord :SOCIAL SCIENCES; SAMHÄLLSVETENSKAP; SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; HUMANIORA; HUMANITIES; gender; women; livestock; cattle; ownership; property; commercialization. change; intersectionality;

    Sammanfattning : Cattle are often portrayed as a male affair in Botswana. However, venturing out into the Kalahari countryside to scratch the surface of this state of affairs, another picture emerges. LÄS MER

  5. 5. Djurhållning och betesdrift : Djur, människor och landskap i västra Östergötland under yngre bronsålder och äldre järnålder

    Författare :Maria Petersson; Bo Gräslund; Christopher Prescott; Uppsala universitet; []
    Nyckelord :HUMANITIES; HUMANIORA; HUMANIORA; HUMANITIES; Archaeology; Organised grazing; animal husbandry; byre; pastoral landscape; shepherds; livestock; stone fence systems; hearths; four-sided stone-settings; source value; animal bones; Iron Age; Arkeologi; Djurhållning; Boskapsskötsel; Sverige; Östergötland; Bronsåldern; Järnåldern;

    Sammanfattning : This thesis focuses on animal husbandry and organised grazing in western Östergötland during the Late Bronze Age and Early Iron Age. The primary aim is to investigate how animal husbandry was organised from a practical perspective. LÄS MER