Much can be dung to resolve the cow poo problem | Letters

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Readers respond to the news that animal excrement is mucking up the environment

The problems caused by apparent overabundance of cow faeces (Turd world: how poo is mucking up the environment, 25 March) are at least partly in the control of the farmers, who feed a broadband insecticide (Dimilin) to their cows.

The purpose is to stop flies and beetles from feeding in the dung and thus breaking it down, a crucial step in the removal of the dung. Flies and beetles are thus no more a problem in intensive rearing units. Dimilin can remain active in the dung for a month or more, so when the dung is disposed of, it is still not possible for an insect (or many other species of arthropod) to survive or breed in it. Dimilin then becomes an added pollutant of run-off and water courses.

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This post was syndicated from Health | The Guardian. Click here to read the full text on the original website.


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