metadata toggle
Clinical particulars
Target Species
Indications for use
Control of biting and nuisance flies of cattle, including Haematobia irritans, Hippobosca equina, Stomoxys calcitrans, Musca autumnalis and Musca domestica.
Control of biting and sucking lice of cattle, including Damalinia bovis, Haematpoinus eurysternus, and Linognathus vituli.
Special warnings for each target species
Special precautions for use
Operator warnings
∙ Do not eat, drink or smoke while using the product.
∙ Wash hands and exposed skin before meals and after work.
∙ In case of contact with eyes and skin, wash immediately with water.
∙ In the event of accidental ingestion, seek medical advice immediately.
∙ Wear protective gloves when applying the product or handling recently treated
∙ If clothing becomes heavily contaminated remove and wash before re-use.
∙ This product contains deltamethrin which may produce tingling, itchiness, and blotchy redness on exposed skin. If you feel unwell after working with this product, consult your doctor and show this label. Tell your doctor you have been using Butox Swish which contains deltamethrin.
Information for doctors: Advice on clinical management is available from the National Poisons Information Service.
Adverse Reactions
None observed.
Use during pregnancy or lactation
No restrictions apply for use during pregnancy and lactation.
Some organo-phosphorous insecticides can reduce metabolism rate and thus enhance deltamethrin toxicity. Therefore, avoid the use of such organo-phosphorous insecticides (consult the supplier).
Amounts to be administered and administration route
For external use only.
Pour on the product along the backline of the animals, from the head to the tail, at the following recommended dose rates:
Dose rate
Control of biting and nuisance flies
up to 100 kg:10 ml
100-300 kg:20 ml
over 300 kg:30 ml
Contol of biting and sucking lice
10 ml per animal irrespective of weight
Flies: a single application provides protection against flies for 8 to 10 weeks depending on the infestation degree, fly species and weather conditions. Treatment should be repeated within 8 - 10 weeks depending on the weather and the fly species.
Lice: a single application provides protection against lice for 8 to 10 weeks. All in contact animals must be treated at the same time. A single application is sufficient against lice.
Overdose of twice the level of recommended treatments does not induce any adverse effects.
Withdrawal periods
Edible tissues: 20 days
Milk: zero hours