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Guidelines on the role of livestock in circular bioeconomy systems

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    The role of livestock in circular bioeconomy systems 2025
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    Livestock play a key role in a circular bioeconomy by converting non-edible biomass into high-value animal-sourced foods, organic fertilizers and renewable energy. By recycling nutrients and using low-opportunity-cost biomass, livestock contribute to reducing food–feed competition, enhancing soil health and closing nutrient cycles. As a result, it makes agricultural systems more sustainable and strengthens global food security. Beyond food production, livestock systems support bio-based industries by valorizing animal by-products into materials for pharmaceuticals, cosmetics and bioenergy. Manure-based biogas production also provides a renewable energy source while mitigating greenhouse gas emissions. This guideline provides an overview of widely used metrics and indicators for assessing the environmental impact of livestock production within a circular bioeconomy, outlining their strengths and limitations. It examines the use of plant- and animal-based by-products for feed, and the valorization of residuals, such as manure, in circular bioeconomy systems. Regional case studies illustrate practical recovery strategies and innovations. The document also explores the political and regulatory implications of policies designed to promote circular bioeconomy, their effectiveness and challenges in supporting the use of by-products and residuals.
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    Sustainable and circular bioeconomy in the climate agenda: Opportunities to transform agrifood systems 2022
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    The bioeconomy offers opportunities to reduce greenhouse gas (GHG) emissions along the agrifood system by replacing fossil-based resources and processes with biological ones, from microbiome innovations, biofertilizers and biopesticides, to alternative proteins, bio-based plastics and textiles, and biological waste management, to name just a few. A sustainable and circular bioeconomy also presents opportunities to improve climate change adaptation and resilience, through promoting ecosystem restoration, supporting indigenous and local livelihoods based on biological products and services, and building the conditions for more sustainably managed forests and fisheries. Several countries have identified circular bioeconomy as a strategy to achieve their nationally determined contributions (NDCs), some have included bioeconomy practices in their climate agenda, and others explicitly include bioeconomy strategies and policies as key elements in their pathway towards Paris Agreement targets. FAO works with countries to improve policy coherence in order to achieve national sustainability objectives. Climate action is specifically referenced as a key criterion in the aspirational principles and criteria for a sustainable bioeconomy, produced by the FAO-led International Sustainable Bioeconomy Working Group (ISBWG).
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    A national atlas of tsetse and African animal trypanosomosis in Mali 2019
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    Tsetse-transmitted trypanosomosis is a deadly, neglected tropical disease and a major challenge for  mixed crop-livestock agriculture in sub-Saharan Africa. It is caused by several species of the genus Trypanosoma. Information on the occurrence of tsetse fies and African animal trypanosomosis (AAT) is available for diferent areas of Mali. However, these data have never been harmonized and centralized, which prevents the development of comprehensive epidemiological maps and constrains an evidence-based planning of control actions. To address this challenge, we created a dynamic geo-spatial database of tsetse and AAT distribution in Mali.
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    Non-indigenous species in the Mediterranean and the Black Sea 2021
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    Recent decades have seen significant changes in the biota of the Mediterranean and the Black Sea due to the introduction of non-indigenous species. Reliable scientific data on the dynamics of their distribution and abundance are essential to understand their ecological and economic effects. This review – in addition to providing images and descriptions of relevant species to aid in identification – presents a unique historical and regional perspective on these species’ impacts, based on many years’ worth of research. The Black Sea’s primary invaders come from the Mediterranean. Species like the comb jelly Mnemiopsis leidyi have caused major declines in biodiversity in the region by crippling key segments of the food chain. Similar results have been noted in the Marmara Sea, a crucial water exchange point located between the Aegean Sea and the Black Sea. Infiltration into the Mediterranean comes from both the east and west – with Lessepsian species passing through the Suez Canal and fish and invertebrate species originating from the Atlantic expanding their ranges. As of the publication of this review, over 900 non-indigenous species have been reported in the Mediterranean and almost 300 in the Black Sea, with these numbers expected to rise in the future. Numerous Lessepsian fishes are commercially relevant and have been absorbed into local markets, particularly in the eastern Mediterranean region. While these species are targeted through various fishing techniques, many others are simply discarded due to a lack of value and there are even some, such as lionfishes, pufferfishes and several species of jellyfishes, that present immediate dangers to human health. Stewardship of native species, regional cooperation on the enforcement of legal measures, increased public awareness and the creation of marine protected areas are thus essential to minimize and reduce the impacts of non-indigenous species both in the Mediterranean and the Black Sea.
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    African swine fever in the Caucasus 2008
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    African swine fever (ASF) is a highly contagious virus infection of domestic pigs with a serious socioeconomic impact on people’s livelihoods, participation in international commercial trade, and protein-food security. Since June 2007, multiple ASF outbreaks have been reported in all the countries of the Caucasus region: Georgia, Armenia and Azerbaijan. The Russian Federation also reported ASF-positive wild boar in the Republic of Chechnya, bordering Georgia. Feral pigs (escaped domestic species ) or European wild boar (non-domesticated species) are equally susceptible to ASF, which would make it very difficult to control the disease if the infection became endemic in these populations. If not contained, ASF could easily spread to other countries in the region particularly to the north and east (Russian Federation and Ukraine).