The invention relates to a method for reducing a health risk to humans or livestock due to exposure of hydrogen cyanide (HCN) released from manure, comprising contacting the manure with an alkaline substance, which alkaline substance is used in an effective amount whereby – when mixed – the p H of a mixture of the manure and alkaline substance is at least 10.0. The invention further relates to a livestock facility wherein a method according to the invention can be employed.
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