Butox 7.5 mg/ml Pour-on suspension is a ready to use pour-on insecticide used in the treatment and control of sucking lice, biting lice, keds and flies on sheep and cattle.
Active Ingredient: Deltamethrin
Target Species: Cattle, sheep
Treats and Controls: Sucking lice, biting lice, keds and flies
Administration Method: Pour On
Withdrawal Time: 18 days for cattle intended for meat and offal, 12 hours for cattle producing milk for human consumption. 48 hours for sheep intended for meat and offal, 12 hours for sheep producing milk for human consumption
Dosage for lice and keds treatment: 10 ml per animal irrespective of weight.
|Dose Volume||Number of full doses per pack|
|250ml||1 Litre||2.5 Litre|
Dosage for flies on calves and cattle:10ml per 100kg Bodyweight up to 300 kg
|Body Weight||Dose Volume||Number of full doses per pack|
|250 ml||1 Litre||2.5 Litre|
|up to 100kg||10 ml||25||100||250|
|100-300 kg||20 ml||13||50||125|
|over 300 kg||30 ml||8||33||53|
Always read the label and all enclosed information for Butox 7.5 mg/ml Pour-on before administering to animals!
The active ingredient in Butox 7.5 ml/mg Pour-on is Deltamethrin which is a highly effective and powerful insecticide but is also safe to use on livestock. Compared to other insecticides that are safe to use on livestock, such as Permethrin and Cypermethrin, Deltamethrin (the active ingredient in Butox 7.5 ml/mg Pour-on) is far superior at neutralising insects. The table below shows the effect each insectiside has on the simple house fly.
Summary of Product Characteristics
1 NAME OF THE VETERINARY MEDICINAL PRODUCT
Butox 7.5 mg/ml Pour On Suspension.
2 QUALITATIVE AND QUANTITATIVE COMPOSITION
Each ml contains:
Deltamethrin 7.50 mg
Formaldehyde 35 % solution 0.19 mg
Propylene glycol 160.0 mg
For the full list of excipients see section 6.1.
3 PHARMACEUTICAL FORM
4 CLINICAL PARTICULARS
4.1 Target Species
Cattle and Sheep.
4.2 Indications for use, specifying the target species
Prevention and treatment of cattle flies.
Prevention and treatment of cattle and sheep lice.
Prevention and treatment of sheep keds.
Do not use in case of known hypersensitivity to the active substance or to any of the excipients.
4.4 Special warnings for each target species
Cases of resistance to deltamethrin have been reported in parasites of cattle and sheep. Use of this product should be based
on local (regional, farm) epidemiological information about parasite susceptibility to deltamethrin.
Each ml contains:
Deltamethrin 7.50 mg
Formaldehyde 35 % solution 0.19 mg
Propylene glycol 160.0 mg
4.5 Special precautions for use
Special precautions for use in animals
Special precautions to be taken by the person administering the veterinary medicinal product to animals
Do not eat, drink or smoke while using the product.
Wash hands and exposed skin before meals and after work.
Avoid contact with skin, eyes and mucous membranes, and oral uptake. Wear impervious gloves. Change heavily
contaminated clothes and wash before re-use.
In case of skin contact, wash the exposed parts thoroughly with water and soap.
In case of eye or mucous membrane contact, immediately rinse thoroughly with water.
People with known hypersensitivity to the product or one of its components should avoid contact with the product. If
you feel unwell after the use of the product, seek medical advice immediately and show the package leaflet or the label
to the physician.
Deltamethrin must not enter surface water as it is toxic to fish and other aquatic organisms.
4.6 Adverse reactions (frequency and seriousness)
Hypersensitivity reactions can occur. In very rare cases following treatment, skin irritation with restlessness, heads
tossing and tail flicking has been observed.
The frequency of adverse reactions is defined using the following convention:
very common (more than 1 in 10 animals displaying adverse reaction(s) during the course of one treatment)
common (more than 1 but less than 10 animals in 100 animals)
uncommon (more than 1 but less than 10 animals in 1,000 animals )
rare (more than 1 but less than 10 animals in 10,000 animals)
very rare (less than 1 animal in 10,000 animals, including isolated reports).
4.7 Use during pregnancy, lactation or lay
No restrictions apply for use during pregnancy and lactation.
4.8 Interaction with other medicinal products and other forms of interaction
Some organo-phosphorous insecticides can reduce metabolism rate and thus enhance Deltamethrin toxicity. Therefore, it is
not advisable to use in association with organo-phosphate insecticides.
4.9 Amounts to be administered and administration route
Route: For external topical use.
Apply the recommended dose by pouring it along the animals spine from the base of head to the tail. For sheep, it is
recommended that the fleece is parted during administration.
Lice: One single application is generally enough for 8-10 weeks protection, but in cases of heavy infestation it may be
necessary to repeat the treatment after 4-6 weeks. All in contact animals must be treated at the same time.
Flies: One single application provides protection against flies for 6-10 weeks depending on the degree of infestation, fly
species and weather conditions.
4.10 Overdose (symptoms, emergency procedures, antidotes), if necessary
Overdose of twice the recommended treatment dose does not induce any adverse effects.
4.11 Withdrawal Period(s)
Meat and offal: Cattle: 18 days
Sheep: 48 hours
Milk: Cattle: 12 hours
Sheep: 12 hours
5 PHARMACOLOGICAL or IMMUNOLOGICAL PROPERTIES
Pharmacotherapeutic group: Pyrethrins and pyrethroids.
ATCvet Code: QP53AC11.
5.1 Pharmacodynamic properties
Butox 7.5 mg/ml Pour-on is an ectoparasiticide whose active ingredient Deltamethrin belongs to the synthetic pyrethroids
class. Its mode of action concerns the neurotransmission involving sodium channels in the target parasite.
5.2 Pharmacokinetic properties
After dermal application, Deltamethrin is slightly absorbed through skin of cattle and sheep and remains available to
the target ectoparasite. The main route of excretion of the absorbed amount in the target animal is the faeces. In terms
of residues, fat is the target issue.
Indications Dose Rate
Prevention and treatment of flies on calves
and other cattle
- up to 100 kg: 10 ml
- 100 kg to 300 kg: 20 ml
- Over 300 kg: 30 ml
Prevention and treatment of biting and
sucking lice on calves, adult cattle and sheep
10 ml per animal irrespective of weight
Prevention and treatment of sheep keds
10 ml per animal
6 PHARMACEUTICAL PARTICULARS
6.1 List of excipients
Dispersing agent SI*
Antifoam (Rhodorsil 416)
Antifoam (Rhodorsil 426R)
Formaldehyde 35% solution
* A mixture of a condensation product of arylsulfonate and aldehyde, and alkylether sulfate and silicic acid.
Shelf-life of the veterinary medicinal product as packaged for sale: 36 months.
6.4 Special precautions for storage
Do not store above 25°C.
6.5 Nature and composition of immediate packaging
High density polyethylene translucent dosing flasks, closed by two screw caps fitted internally with a compressible wad,
containing 250 ml or 1 litre of pour-on.
2.5 litre portable polyethylene bottle closed with a polypropylene stopper fitted with a heat-sealable aluminiumpolyethylene
seal (for use with an applicator gun).
Not all pack sizes may be marketed.
6.6 Special precautions for the disposal of unused veterinary medicinal products or waste materials
Dangerous to fish and other aquatic life. Do not contaminate ponds, waterways or ditches with the product or empty
Any unused veterinary medicinal product or waste materials derived from such veterinary medicinal products should be
disposed of in accordance with local requirements.
7 MARKETING AUTHORISATION HOLDER
Intervet Ireland Limited,
Magna Business Park
8 MARKETING AUTHORISATION NUMBER(S)
9 DATE OF THE FIRST AUTHORISATION/RENEWAL OF THE AUTHORISATION
30th September 2009
10 DATE OF REVISION OF THE TEXT
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