| abstract |
Compositions useful in particular for the treatment and protection of domestic animals infested or likely to be infested with parasites, comprising in the form of a ready-to-use solution. a) an insecticidal active ingredient of formula (I), b) a crystallization inhibitor, c) an organic solvent having a dielectric constant of between 10 and 35, preferably between 20 and 30, d) an organic cosolvent having a point d boiling below 100 degrees C, preferably below 80 degrees, and a dielectric constant of between 10 and 40, preferably between 20 and 30. |