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Food waste to livestock feed: prospects and challenges for swine farming in peri-urban Sri Lanka

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  • Jayathilake, Nilanthi
  • Aheeyar, Mohamed
  • Drechsel, Pay

Abstract

Using farm animals for their natural capability of “recycling†food waste (FW) that is unfit for direct human consumption can support a circular economy as shown in the case of Sri Lanka’s Western Province. The reuse of organic residues including FW as animal feed is a traditional agricultural practice in Sri Lanka but is less studied within an urban FW context. A survey of piggeries using FW in and around the rapidly urbanizing city of Colombo showed that FW is a major feed source in the farms accounting for on average 82% of total feed. About 40% of the farms collected the FW mainly from hotels, restaurants, and institutional canteens. Urban FW is supplied to farmers free of charge when collected directly from the sources, although 26% of the farmers collected FW via intermediaries against a fee. As FW is collected daily, the restaurants appreciate the reliable service, the farmers the low-cost feed, and the municipality the reduced FW volumes to be collected. However, this triple-win situation encounters challenges such as (tourist related) seasonal low supply, which was exacerbated under the Covid-19 lockdown of food services. Another area of concern refers to biosafety. Although the large majority of interviewed farmers boil FW which contains raw meat or fish, there is a paucity of related guidelines and control. Given the benefits of FW use, it is worthwhile to explore how far these informal partnerships could be scaled without increasing transport costs for farmers, while introducing biosafety monitoring. For now, the regulatory environment is highly siloed and does not support material transitions across sector boundaries towards a circular economy.

Suggested Citation

  • Jayathilake, Nilanthi & Aheeyar, Mohamed & Drechsel, Pay, 2022. "Food waste to livestock feed: prospects and challenges for swine farming in peri-urban Sri Lanka," Papers published in Journals (Open Access), International Water Management Institute, pages 1-15.().
    • Handle: RePEc:iwt:jounls:h051036
    DOI: 10.1016/j.scitotenv.2022.153912
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    References listed on IDEAS

    as
    1. Aheeyar, Mohamed & Jayathilake, Nilanthi & Bandara, A. & Bucatariu, C. & Reitemeier, M. & Drechsel, Pay, 2021. "Urban stakeholder analysis for food waste prevention and reduction in Sri Lanka," IWMI Books, Reports H050833, International Water Management Institute.
    2. Peter Horton, 2017. "We need radical change in how we produce and consume food," Food Security: The Science, Sociology and Economics of Food Production and Access to Food, Springer;The International Society for Plant Pathology, vol. 9(6), pages 1323-1327, December.
    3. Otoo, Miriam & Fernando, Sudarshana & Jayathilake, Nilanthi & Aheeyar, Mohamed & Madurangi, Ganesha, 2016. "Opportunities for sustainable municipal solid waste management services in Batticaloa: business strategies for improved resource recovery. [Project report submitted to United Nations Office for Projec," IWMI Reports 257960, International Water Management Institute.
    4. Aheeyar, Mohamed & Jayathilake, Nilanthi & Bucatariu, C. & Reitemeier, M. & Bandara, A. & Thiel, Felix & Drechsel, Pay, 2021. "Governance analysis for urban-wholesale-to-household s food waste prevention and reduction in Sri Lanka," IWMI Books, Reports H050834, International Water Management Institute.
    5. United Nations UN, 2015. "Transforming our World: the 2030 Agenda for Sustainable Development," Working Papers id:7559, eSocialSciences.
    6. Lokuge Dona, Manori Nimanthika & Zivkovic, Sanja & Lange, Kelly & Chidmi, Benaissa, 2018. "Household Food Consumption And Demand For Nutrients In Sri Lanka," 2018 Annual Meeting, February 2-6, 2018, Jacksonville, Florida 266670, Southern Agricultural Economics Association.
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    1. Prain, G. & Simon, D. & Halliday, J. & Drechsel, Pay, 2022. "Investment priorities for research and innovation in urban agri-food systems: toward more resilient cities in the Global South," Papers published in Journals (Open Access), International Water Management Institute, pages 1-6:965011..

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