How to use commonly used insecticides

Permethrin Permethrin (exterminicide) is a broad-spectrum and highly effective insecticide. It has a killing effect on ectoparasites such as cockroaches, cockroaches, cockroaches, mosquitoes, flies and cockroaches, as well as cockroaches and agricultural pests. It is quick-acting, non-toxic and non-polluting, and its efficacy can last for more than 42 days. Killing cockroaches sprayed on the body surface with 0.025% emulsion; killing cockroaches, cockroaches, etc. with 0.022% emulsion medicated bath; killing fly with 0.1% emulsion sprayed on the body surface; indoor spray killing mosquitoes and 25 mg per cubic meter ~125 mg.
Phosphorus flies are an organophosphate insecticide. Give the cow a dose of 0.11g per kilogram of body weight per day, or 5g~25g per kilogram of body weight per day. After 6 days to 7 days, it can kill all stages of the leather fly maggot, which is also effective for the genus Caenorhabditis and the genus Corydalis. Spraying with 0.25%~2.5% solution can prevent the infection of the larvae, and has certain effects on flies, cockroaches and cockroaches.
The cyhalothrin of valerate is a strong contact with cockroaches, cockroaches, cockroaches, mosquitoes, etc., and has stomach poisoning and repellent power, and can also kill eggs, once a drug can be used; High efficiency, rapid degradation, low residual toxicity, suitable for livestock and poultry sensitive to organic phosphorus. Killing concentration: 0.02% of cattle, 0.008%~0.02% of pigs, sheep, dogs, rabbits and chickens, killing concentration: 0.0004% of cattle, pigs, rabbits, dogs and chickens;èš¤0.004%~0.008%. Spray, coating, medicated bath. Indoor de-worming is 0.03 ml~0.005 ml per cubic meter, and sealed for 4 hours after spraying.
The fly venom phosphorus poison can be used in dairy cows, sprayed with 0.5% aqueous solution or 2% emulsion to kill the leather fly maggot, and can prevent the infection of the larvae, using 0.025%~0.05% dusting powder for pigs It is also effective. It is effective for oral administration of sheep, cattle, and cypress nematodes at a dose of 2 mg per kilogram of body weight. The sheep should be used with caution. The chicken should be mixed with 40 mg per kilogram of feed to kill the chicken. And other ectoparasites.
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