On the Sheep Dip?

Sheep dipping is when farmers immerse sheep in a chemical compound to eliminate sheep scab and other ecto-parasites including ticks, lice and blowfly (5). Sheep dip chemicals were first developed in the 19th century and would at that time commonly include arsenic.

What does the expression sheep dip mean?

Any chemical preparation used as a bath to free sheep from vermin and sheep scab or to clean the fleece and skin before shearing. ... noun. Any of various liquid preparations containing pesticides into which sheep are dipped to control external parasites.

Why was sheep dip banned?

Alternative pesticides used to kill sheep scab mite are less dangerous to humans but 100 times more toxic to the aquatic environment and are poisoning rivers in Wales. ...