| abstract |
A composition particularly useful for treating and protecting pets infested or likely to be infested with parasites, including a ready-to-use solution of (a) an active insecticidal material of formula (I), (b) a crystallisation inhibitor, (c) an organic solvent with a dielectric constant of 10-35, preferably 20-30, and (d) an organic cosolvent with a boiling point lower than 100 °C and preferably lower than 80 °C, and a dielectric constant of 10-40, preferably 20-30. |