Toxicidad en Xiphophorus maculatus por cypermethrin
The Arrivo®6EC is an insecticide used to control pests, such as ants and ticks. Its active ingredient is cypermethrin, in this case as a polluting agent that emulsifies in water. This agent presents an environmental risk of high toxicity in fish and aquatic organisms. The objective of this is to eva...
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| Other Authors: | , , , |
| Format: | article |
| Language: | Spanish |
| Published: |
2020
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| Online Access: | https://revistas.utp.ac.pa/index.php/ric/article/view/2367 https://ridda2.utp.ac.pa/handle/123456789/10086 |
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| Summary: | The Arrivo®6EC is an insecticide used to control pests, such as ants and ticks. Its active ingredient is cypermethrin, in this case as a polluting agent that emulsifies in water. This agent presents an environmental risk of high toxicity in fish and aquatic organisms. The objective of this is to evaluate the toxicity on platy fish Xiphophorus maculatus when exposed to cypermethrin. Given that Arrivo®6EC is commonly used in Panama, the study was carried out to analyze the affectations caused in freshwater fish. The tests were duplicated for the cypermethrin levels, which were 1 mg / L and 2.5 mg / L. The fish have an average size and weight of 28.5 cm and 0.33 g respectively, and an age of approximately two to three weeks. In the observations made in the different hours, the symptoms in the fish varied from: little ability to swim, erratic movement, movement only with stimulation, dyspnea, upright and spiral swimming, and death. After dying, the most outstanding aspects were: degeneration of superficial tissues and tails, hyperemic lesions, hemorrhagic signs and pigmentation on the body surface. It was found that even at concentrations of 1 mg / L there is high mortality rate of this lethal contaminant for the species X. maculatus. It is recommended to start with content values below 1 mg / L, to obtain better results, and considering the age, size and weight, since this depends on the enieria Civil, toxicological effects |
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