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The insecticide-laden feces, fluids and eventual carcass, can contain sufficient residual pesticide to kill others in the same nesting site. As the roach staggers around for hours or even days, it infects other roaches in the nest, with toxicant transfer through feces, [1] which then go on to infect others. This secondary transmission occurs ...
Kangfuxin is derived from the desiccated extract of the American cockroach (Periplaneta americana), [12] available in powder form (Kangfuxin Fen, Rehabilitation New Powder) or liquid form (Kangfuxin Ye, Rehabilitation New Liquid). It is often made in liquid form, exhibiting a light brown hue, a subtle odor, and a sweet texture.
The biological activity of a pesticide, be it chemical or biological in nature, is determined by its active ingredient (AI - also called the active substance). Pesticide products very rarely consist of the pure active ingredient. The AI is usually formulated with other materials (adjuvents and co-formulants) and this is the product as sold, but ...
Fipronil (IUPAC name 5-amino-1-[2,6-dichloro-4-(trifluoromethyl)phenyl]-4-(trifluoromethylsulfinyl)pyrazole-3-carbonitrile [1]) is a white, solid powder with a moldy odor. It is degraded slightly by sunlight, stable at normal temperatures for one year, and is not stable in presence of metal ions .
This often allows a roach to go back to the nest where it soon dies. Cockroaches, being cannibalistic, eat others killed by contact or consumption of boric acid, consuming the powder trapped in the dead roach and killing them, too. [citation needed] Boric acid has also been widely used in the treatment of wood for protection against termites.
It is a major source of export income for Kenya and source of over 3,500 additional jobs. About 23,000 tons were harvested in 1975. The active ingredients are extracted with organic solvents to give a concentrate containing the six types of pyrethrins: pyrethrin I, pyrethrin II, cinerin I, cinerin II, jasmolin I, and jasmolin II. [18]
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