Carbon footprint in the downstream dairy value chain in Ziway-Hawassa milk shed, Ethiopia
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Carbon footprint in the downstream dairy value chain in Ziway‑Hawassa milk shed, Ethiopia Godadaw Misganaw1,2 · Robert Baars1 · Marco Verschuur1 · Biruh Tesfahun1,3 · Sara Endale1,3 · Demeke Haile1,3 Received: 22 October 2019 / Accepted: 26 August 2020 © Springer Nature B.V. 2020
Abstract Purpose The carbon footprint for the downstream dairy value chain, milk collection and dairy processing plants was estimated through the contribution of emissions per unit of collected and processed milk, whereas that for the upstream dairy value chain, input supply and production was not considered. A survey was conducted among 28 milk collectors and four employees of processing plants. Two clusters were established: small- and largescale milk collectors. The means of carbon dioxide equivalent per kilogramme (CO2-eq/ kg) milk were compared between clusters by using independent sample t-test.The average utilisation efficiency of milk cooling refrigerators for small- and large-scale collectors was 48.5 and 9.3%, respectively. Milk collectors released carbon footprint from their collection, cooling and distribution practices. The mean kg CO2-eq/kg milk was 0.023 for large-scale collectors and 0.106 for small-scale collectors (p
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