How to get rid of the invisible killer - sheep lice

Tick (Pí), commonly known as sheep lice, grass crawler, is a bird and animal body surface of the blood vampire. When not sucking blood, ticks are the size of wheat grains; after blood sucking, they are as large as a person's fingernails. It is an ectoparasite that bites on the surface of cattle and sheep to suck blood and spread a variety of important infectious diseases. Cattle and sheep have ticks parasitic on the surface of the body, which can cause irritability, itching and even cause tick paralysis in cattle and sheep. Ticks can spread a variety of infectious diseases after sucking blood, causing cattle and sheep to be emaciated, anemic, threatening the health of cattle and sheep, and causing the death of sick animals in severe cases.

Prevention and control methods are introduced from three different aspects.

1. Eliminate ticks on the surface of cattle and sheep

(1) Manual capture. If the number of cattle and sheep raised is not very large, and in the case of sufficient personnel, manual capture of ticks can be used. First of all, a comprehensive examination of the cattle and sheep repellent body, especially the neck, armpits, abdomen, under the ankle, can use sharp-billed forceps in the immediate vicinity of the skin along the direction perpendicular to the skin to pull out ticks, after pulling out ticks, if the wound bleeds, to stop bleeding, while disinfection with alcohol or iodine wine.

(2) Powder application. It can be applied to the surface of cattle and sheep with powders such as 3% malathion or 5% sivine and 2% pest enemies, and the general dose for sheep is 30 grams and cattle is 100 grams. During tick season, it is treated every 7 to 10 days to prevent tick occurrence.

(3) Liquid spraying. Livestock can be sprayed with 0.2% borer pine or 0.25% hypothion, 1% malathion, 0.2% pest enemies, 0.2% octylthion emulsion, in doses of 200 ml/time for sheep and 500 ml/time for cattle, and treated every 3 weeks. Flufenoxyfen permethrin at a dose of 2 mg per kilogram of body weight is also available, once back poured and repeated once after 2 weeks.

(4) Medicinal bath. The sheep were bathed in medicinal baths using emulsions such as 0.05% dimethylamino or 0.1% malathion, 0.1% octylthion, 0.05% diyanonon, 1% ceivine, 0.0025% cypermethrin, 0.003% permethrin, 0.006% cypermethrin. In addition, subcutaneous injections of avermectin at a dose of 0.2 mg per kilogram of body weight are given as a single injection or taken orally.

2. Eliminate ticks in the enclosure

The residual glass-eye tick mostly inhabits the walls, ground, feeding troughs and other crevices in the enclosure, and can be sprayed with the above drugs, or painted and then plugged with cement, lime or yellow mud. If necessary, it is also possible to isolate and stop the enclosure for 10 months or 1 year, so that ticks cannot parasitize and die.

3. Eliminate ticks in the natural environment

When there are a large number of ticks in the environment, the way of rotational grazing can be adopted, and the adults on the pasture can die naturally once every 1 to 2 years, and the adult insects on the pasture can also be burned (to prevent fire) and destroy the breeding ground of ticks.