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Manure gives off hydrogen sulphide – is this dangerous to humans?

Manure gives off hydrogen sulphide – is this dangerous to humans?

Cow manure is a valuable resource for many farmers, who use it to encourage crop growth on their land. On some farms, manure is mixed with water to create slurry which is usually kept in a tank before it is spread, usually at certain times during the year.

Hydrogen sulphide is a gas that is released from manure and slurry, but once diluted in the air this does not present a risk to human health. British dairy farmers minimise these risks by adopting best practice when managing slurry.