DETERMINATION OF ACUTE AND CHRONIC TOXIC EFFECTS OF METHYL PARATHION ON Chalcalburnus tarichi (Pallas, 1811)
Abstract
Methyl parathion (MP) is widely used as an agricultural insecticide with organic phosphorus. This study was conducted to determine acute and chronic toxic effects on Chalcalburnus tarichi of MP. Fish 8‒10 cm in length were exposed to MP using the static test in the acute test and the semi-static test in the chronic test. In the chronic test, 1.47, 2.10, 3.00, 4.28, 6.11 mg L-1 MP concentrations were applied. The 96 hour LC50 value was determined to be 11.44 mg L-1. The chronic test was continued at 17.9 °C for 30 days. The fish were dissected, blood, brain, liver and muscle tissues were removed. The activity of acetylcholinesterase in brain tissue decreased. Hemoglobin and hematocrit values were decreased at 2.10, 4.28 and 6.11 mg L-1 concentrations. Based on hemoglobin and hematocrit values, the lowest observed effect concentration was 2.10 mg L-1 and the no observed effect concentration was 1.47 mg L-1. In conclusion, MP is an acute and chronic toxic substance for C. tarichi according to some biochemical and hematological criteria. In freshwater environments where C. tarichi lives, the MP concentration should not exceed 0.1144 mg L-1. MP should be used as a control in agriculture.
Keywords
Kaynakça
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Ayrıntılar
Birincil Dil
İngilizce
Konular
Yapısal Biyoloji , Hidrobiyoloji , Çevre Mühendisliği
Bölüm
Araştırma Makalesi
Yazarlar
Ertuğrul Kankaya
YÜZÜNCÜ YIL ÜNİVERSİTESİ, SU ÜRÜNLERİ FAKÜLTESİ
0000-0002-3032-3041
Türkiye
Güler Ünal
ADNAN MENDERES ÜNİVERSİTESİ, SAĞLIK BİLİMLERİ FAKÜLTESİ
0000-0001-5920-6693
Türkiye
Yayımlanma Tarihi
1 Ocak 2018
Gönderilme Tarihi
24 Temmuz 2017
Kabul Tarihi
25 Aralık 2017
Yayımlandığı Sayı
Yıl 1970 Cilt: 4 Sayı: 1