This Beaphar Anti Parasite Spot On for Rabbits and Guinea Pigs is a revolution in pest control and is suitable for animals over 300g such as rats guinea pigs rabbits and ferrets. It is an approved veterinary preparation containing ivermectin in ready-to-use pipettes. You just need to squeeze the contents onto the back of your pet's neck and pests like roundworm mites lice and fleas are kept at bay.Contains x4 pipettes (150ug per pipette).Do not use on other species of animals.Do not use on sick or convalescing animals.Dose:Rats over 300 g - 1 pipetteGuinea-pigs 300g-750g - 1 pipetteGuinea-pigs over 750g - 2 pipettesRabbits (per 750g body weight) - 1 pipetteFerrets 300g-750g - 1 pipetteFerrets from 750g - 1500g - 2 pipettesFerrets over 1500g - 3 pipettesAnimals weighing less than 300g should be treated using Anti- Parasite Spot On for hamsters and gerbils.Application: Twist off the cap and apply the entire contents of pipette(s) to the back of the neck. While squeezing out the contents spread the solution over as great a surface of the skin as possible.