Sheep dip is a liquid formulation of insecticide

Insecticide

An insecticide is a pesticide used against insects. They include ovicides and larvicides used against the eggs and larvae of insects respectively. Insecticides are used in agriculture, medicine, industry and the household. The use of insecticides is believed to be one of the major factors behind...

 and fungicide

Fungicide

Fungicides are chemical compounds or biological organisms used to kill or inhibit fungi or fungal spores. Fungi can cause serious damage in agriculture, resulting in critical losses of yield, quality and profit. Fungicides are used both in agriculture and to fight fungal infections in animals...

 which shepherd

Shepherd

A shepherd is a person who tends, feeds or guards flocks of sheep.- Origins :Shepherding is one of the oldest occupations, beginning some 6,000 years ago in Asia Minor. Sheep were kept for their milk, meat and especially their wool...

s and farmers may use to protect their sheep from infestation against external parasites such as itch mite

Itch mite

Itch mite may refer to:*Sarcoptes scabiei — scabies*Psorergates ovis — sheep itch mite*Psorobia bos — cattle itch mite*Pyemotes herfsi — oak leaf gall mite*Pyemotes tritici — straw itch mite*Pyemotes ventricosus — grain itch mite...

 (Psorobia ovis), blow-fly

Blow-fly

Calliphoridae are insects in the Order Diptera, family Calliphoridae...

, ticks and lice. It is also a term for a US Central Intelligence Agency

Central Intelligence Agency

The Central Intelligence Agency is a civilian intelligence agency of the United States government. It is an executive agency and reports directly to the Director of National Intelligence, responsible for providing national security intelligence assessment to senior United States policymakers...

 cover story

Cover-up

A cover-up is an attempt, whether successful or not, to conceal evidence of wrong-doing, error, incompetence or other embarrassing information...

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The dip is available as wettable powders, pastes, solutions or suspensions which are used to prepare diluted solutions or suspensions.