The Vigilante bolus is an 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...

 used with both dairy and beef

Beef

Beef is the culinary name for meat from bovines, especially domestic cattle. Beef can be harvested from cows, bulls, heifers or steers. It is one of the principal meats used in the cuisine of the Middle East , Australia, Argentina, Brazil, Europe and the United States, and is also important in...

 cattle

Cattle

Cattle are the most common type of large domesticated ungulates. They are a prominent modern member of the subfamily Bovinae, are the most widespread species of the genus Bos, and are most commonly classified collectively as Bos primigenius...

 to reduce the number of flies in an area. It works by releasing an IGR (Insect Growth Regulator) that stops the development of insects before they become flies. Essentially preventing them from reproducing. The bolus, when used with an insecticidal ear tag, devastates the populations of horn

Haematobia irritans

Haematobia irritans, the horn fly, is a small fly of the genus Haematobia which is the European genus of bloodsucking flies. Haematobia irritans is a native of Europe but has been introduced to North America and is considered a potentially dangerous livestock pest. - Appearance :H...

, barn

Stable fly

Stomoxys calcitrans is commonly called the stable fly, barn fly, biting house fly, dog fly, or power mower fly. Unusually for a member of the family Muscidae, but like other members of the genus, Stomoxys calcitrans sucks blood from mammals.-External links:* * * hosted by the...

 and face flies

Musca autumnalis

Musca autumnalis, the face fly or autumn house-fly, is a pest of cattle and horses- Description :The face fly is similar to the closely related house fly. Slightly larger, averaging about 7 - 8 mm long and Grey in colour with 4 dark stripes on the thorax, with a grey-black patterned abdomen...

.

Contains 9.7% Diflubenzuron in a 50 gm bolus for 150 day control of horn and face flies including organophosphate and pyrethroid resistant flies. Also aids in the control of house and stable flies on beef and dairy cattle.
Each bolus contains 4.75 gm of the active ingredient and can be administered with the standard balling gun (not included - see item JI-B2 or J3-BB).

Dosage: 1/2 bolus for 300-550 lb,
1 bolus for 550 lb or more.

A single bolus will provide up to 150 days of control against Horn Flies and Face Flies.