Ashley Cooper / Milking sheep on a farm in Lazonby, Cumbria, England, UK, August.
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Matthew Maran / Slurry from the Clinton Devon Estate's Home Farm dairy, stored in 20,000-cubic-metre slurry lagoon until it is needed for fertiliser on the farm. Devon, England, UK, May.
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Matthew Maran / Dairy cows with Newton Poppleford in the background, Devon, England, UK, February 2017.
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Matthew Maran / Farmer spreading slurry on organic dairy land. Slurry collected from the cattle herd is recycled as natural fertiliser, Devon, England, UK, July.
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Matthew Maran / Dairy cows on organic farm feeding on pellets during milking, East Devon, England, UK, July.
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Juan Carlos Munoz / Organic cheese farm, with cheeses maturing on shelves Cadrg, Julian Alps, Tolmin, Slovenia, October.
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Juan Carlos Munoz / Organic cheese farm, with cheeses maturing on shelves Cadrg, Julian Alps, Tolmin, Slovenia, October.
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Juan Carlos Munoz / Man working on organic cheese farm, Cadrg, Julian Alps, Tolmin, Slovenia, October 2014.
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Will Watson / Holstein dairy cows drinking from water trough, Herefordshire, England, May.
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Will Watson / Holstein dairy cow chewing the cud, Herefordshire, England, June.
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Will Watson / Low angle view of Holstein dairy cow on pasture, Herefordshire, England, June
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Colin Monteath / Domestic Cattle (Bos taurus) dairy cows grazing under irrigation system near Lauder, Central Otago, New Zealand
