They appear to be durable, we see after first round. They cam pretty quick.
It is great stuff, ordered it once, but ever since February it has not been available and I keep checking.
Thank you for your prompt service.
Description
CONCENTRATED OR READY TO USE
Avian Insect Liquidator (Vetafarm) Recommended for: Use on mites, lice, flies, spiders, ants or any situation where external parasites are a problem, including nest boxes, flights, perches, aviary floors, indoor cages and for direct application to the bird.
Key features: Instant control of pests on contact with additional 6 week residual protection against re-infestation. Penetrates into the plumage of birds to kill mites and lice under the feathers and on the skin. 100% safe for use on all birds.
Directions:
Concentrate: Use a 5% solution of concentrate (eg. 50mL/L or 6½Fl.oz per Gal) Shake well before use.
Ready to Use: Spray directly onto bird by holding spray 30-40cm from the bird. Spray the aviary, perches and nest boxes thoroughly. One spray should give up to six weeks protection.
Active Constituents: Piperonyl Butoxide, Permethrin, Methoprene
Size: 100ml