CATDOLL : CATDOLL: Can dichlorvos be used to kill insects in herring fry?

Because dichlorodiphenyltrichloroethane is a very toxic pesticide, it has a strong lethality to black carp fry. Therefore, when using bottom worms, be sure to be careful not to use it in black carp ponds.

The fry should be at least 8-10 cm long and can be used in 6 quantities per acre of land. More than that will cause poisoning and yellowing.

Trichlorfon is a highly effective, low-toxic and low-residue insecticide. It has a good killing effect on trematodes, nematodes, acanthocephala parasitic inside and outside fish, as well as cladocerans, radial ceratostomidae, clam hook larvae and water centipedes that harm fish fry and eggs. However, because trichlorfon can form dichlorvos with a higher residual toxicity under weak alkaline conditions, it only takes half an hour for trichlorfon to transform into dichlorvos when the pH value is 8-10.

Yes, it can be used. The fry should be at least 8-10 cm long. Six fry should be used per acre. More than that will cause poisoning and yellowing.