Amitraz is a veteran tickicide and insecticide that is still abundantly used in cattle (for plunge dipping and spraying), but scarcely in sheep, swine and pets. It is very effecive against ticks, and controls also mites and lice. But it is ineffective against many other insect parasites (flies, mosquitoes, fleas, etc.). Amitraz is toxic to cats and horses.
Amitraz is also used against agricultural pests.
The table below indicates some usual dosing recommendations for amitraz issued by manufacturers or documented in the scientific literature. They may not be approved in some countries.
Dosing recommendations for AMITRAZ |
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DOGS | ||
WARNING: some dog breeds (e.g. Chihuahuas, Collies, Shepherds) are quite susceptible to amitraz: it is better not to treat them with amitraz | ||
Delivery | Parasites | Dose (against amitraz-susceptible parasites) |
Topical | Cheyletiella spp | Bath (dip) in 250-500 ppm solution weekly until neg. control |
Topical | Demodicosis | Bath (dip) in 250-500 ppm solution (don't rinse, let it dry). Rep every 1-2 weeks; after negative skin scrapping continue for 2-4 weeks more. |
Topical | Ticks | Bath (dip) in 250-500 ppm solution; ~1 week protection |
Topical | Otodectes cynotis |
Apply a few drops of a 0.5% amitraz solution in each ear; rep 5x every 4 days. |
Topical | Sarcoptes scabiei | Bath (dip) in 250 ppm solution weekly x 4-6 weeks; or cada semana x 4-6 semanas; or in 500 solution x5 every 4 days |
CATS. Amitraz is toxic to cats! |
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CATTLE | ||
Delivery | Parasites | Dose (against amitraz-susceptible parasites) |
Topical | Lice, mites | Plunge dipping at 200 ppm or spraying at 250 ppm. Strictly follow replenishment instructions. Rep after 1-2 weeks if needed. |
Topical | Ticks: Boophilus microplus, Amblyomma, Rhipicephalus spp, etc. | Plunge dipping at 200 ppm or spraying at 250 ppm. Strictly follow replenishment instructions. 7-9 days protection. |
SHEEP & GOATS | ||
Delivery | Parasites | Dose (against amitraz-susceptible parasites) |
Topical | Lice, mites | Plunge dipping at 200 ppm or spraying at 250 ppm. Strictly follow replenishment instructions. Rep after 1-2 weeks if needed. |
Topical | Ticks: Amblyomma, Ixodes, Rhipicephalus, etc. | Plunge dipping at 200 ppm or spraying at 250 ppm. Strictly follow replenishment instructions. |
SWINE | ||
Delivery | Parasites | Dose (against amitraz-susceptible parasites) |
Topical | Lice, mites | Spray with 500 ppm solution. Rep after 1-2 weeks |
Topical | Mites | Pour-on (2%): 100-180 kg: 40 ml/animal + 5 ml in each ear. 180-240 kg 60 ml/animal + 5 ml in each ear. Rep after 7-10 days. |
Topical | Lice | Pour-on (2%): 100-180 kg: 40 ml/animal + 5 ml in each ear. 180-240 kg 60 ml/animal + 5 ml in each ear. Rep after 1-2 weeks. |
HORSES. Amitraz is toxic to horses! |
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Dosing recommendations for antiparasitics depend on national regulations. National regulatory authorities determine whether a product is approved for a given indication, i.e. use on a particular host at a specific dose and against a specific parasite. Check the labels of the products available in your country for specific information on approved indications.
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