Acute Toxicity Effect of α-- cypermethrin on Juvenile Common Carp (Cyprinus carpio Linnaeus, 1758)

Abstract

α-cypermethrin is a widely used pesticide in the Thrace region. This pesticide is highly toxic to the aquatic ecosystem. In this study, acute toxicity (LC50) of a pesticide containing α-cypermethrin was investigated. The 96 hour lethal concentration was calculated on the juvenile common carp fish (Cyprinus carpio Linnaeus, 1758). Two replicate Lethal Dose experiments were performed in semistatic laboratory conditions (water temperature 20 ± 1 ° C, pH 8.31). Experimental results were evaluated by probit analysis method. The 96-h LC50 values of juvenile carps were calculated as 1.034 (0.136-12.181) μg L -1 .

Keywords

• α-cypermethrin
• Cyprinus carpio Acute toxicity
• Lethal concentration 50

Yavru Sazanlarda (Cyprinus carpio Linnaeus, 1758) α –Cypermethrin’in Akut Toksik Etkisi

Öz

α-cypermetrin Trakya bölgesinde yaygın kullanılan bir tarım ilacıdır. Bu pestisid sucul ekosistem için oldukça toksitir. Bu araştırmada α-cypermetrin içeren bir pestisitin (Kortac  100 EC) akut toksitesi (LC₅₀) incelenmiştir. Yavru Sazan balığı(Cyprinus carpio LINNAEUS, 1758)  üzerinde 96 saatlil lethal doz hesaplanmıştır.  2  tekrarlı yapılan Lethal Doz  deneyleri semistatik deney koşularında (su sıcaklığı 20 ± 1 °C pH 8.31) gerçekleştirilmiştir. Deneyler buyunca α-cypermetrin için elde edilen deney sonuçları probit analiz yöntemiyle değerlendirilmiştir. Yavru sazanların 96-saat LC₅₀ değerleri 1.034(0,136-12,181) μg/l olarak hesaplanmıştır.

Anahtar Kelimeler

• α-cypermetrin
• Cyprus carpio
• Akut toksisite

Kaynakça

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