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Ikejime (活け締め) or ikijime (活き締め) is a method of killing fish that maintains the quality of its meat. [1] The technique originated in Japan , but is now in widespread use. It involves the insertion of a spike quickly and directly into the hindbrain , usually located slightly behind and above the eye, thereby causing immediate ...
Rotenone has been used by government agencies to kill fish in rivers and lakes in the United States since 1952, [12] and in Canada [13] and Norway [14] since the 1980s. It is less frequently used in EU countries, due to strict regulations, but has seen some use in selected countries such as the UK ( Topmouth gudgeon ), Sweden ( pike and ...
O’Donnell said, “Fluke reports picked up last week. The quantity of fish was high with constant action. Still a lot of smaller fish but constant action. We had multiple fish come in over 5 pounds.
As of 2019 Raid Ant & Roach Killer contains pyrethroids, imiprothrin, and cypermethrin; [3] other products contain tetramethrin and prallethrin as active ingredients. [4] Raid Flying Insect Killer, a spray, uses piperonyl butoxide and D-phenothrin. [5] The brand was sold as Ridsect for Malaysian market.
The World Health Organization published in 2004 that "Prallethrin is of low mammalian toxicity, with no evidence of carcinogenicity" and "is very toxic to bees and fish but of low toxicity to birds." [2] Prallethrin is a member of the pyrethroid class of insecticides. Pyrethroids have historically been classified into two groups, Type I and ...
Chronic exposure to allethrins alters the plasma biochemical profile of humans and may have adverse health effects. [2] Bioallethrin has been shown to cause oxidative damage, cellular toxicity and necrosis of human lymphocytes studied in vitro. [3] It is highly toxic to fish and aquatic invertebrates.
Cyfluthrin is a pyrethroid insecticide and common household pesticide. It is a complex organic compound and the commercial product is sold as a mixture of isomers.Like most pyrethroids (MoA 3a), [1] it is highly toxic to fish and invertebrates, but it is far less toxic to humans. [2]
In humans, cypermethrin is deactivated by enzymatic hydrolysis to several carboxylic acid metabolites, which are eliminated in the urine. Worker exposure to the chemical can be monitored by measurement of the urinary metabolites, while severe overdosage may be confirmed by quantitation of cypermethrin in blood or plasma.