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首页> 外文期刊>Journal of King Saud University >Determination of toxic effects of lead acetate on different sizes of zebra fish ( Danio rerio) in soft and hard water
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Determination of toxic effects of lead acetate on different sizes of zebra fish ( Danio rerio) in soft and hard water

机译：柔软和硬水中斑马鱼铅醋酸铅的毒性效应（）

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The main objective of the present study is to determine lead toxicity on various sizes of zebra fish in soft and hard water. Lead toxicity analysis was carried out in the laboratory trials for four days at various concentrations for the determination of LC50 value. Zebra fish was grouped into various sizes (G1-G4) and treated with lead for 96?h. Lead induced toxicity and induced various behavioural changes in Zebra fish. In the case of G1 (1.5?±?0.2?cm length) fish the LC50 values ranged from 27.2?±?1.8?mg/L to 9.7?±?1.3?mg/L. In G2 (2.0?±?0.2?cm length) fish, the LC50 value was 37.01?±?2.3?mg/L and it reduced as 32.03?±?3.4?mg/L after 48?h. In G3 group (2.5?±?0.2?cm length fish), LC50 value was 38.78?±?2.4?mg/L after 24?h treatment and this value decreased as 33.18?±?1.1?mg/L after 48?h. After 72?h, LC50 value was 27.2?±?2.1?mg/L and this value decreased considerably after 96?h (18.3?±?2.1?mg/L) in G4 (3.0?±?0.2?cm length) fish. Further, G4 fish was treated with lead in hard water and LC50 value was analyzed. LC50 value was observed as 28.62?±?2.7?mg/L in hard water and the same fish group (G4) showed 18.3?±?2.1?mg/L after 96?h. Toxicity analysis revealed that lead is less toxic in hard water than in soft water.
机译：本研究的主要目的是确定柔软和硬水中各种斑马鱼的铅毒性。在实验室试验中进行铅毒性分析，以各种浓度进行4天，以确定LC50值。斑马鱼被分组成各种尺寸（G1-G4）并用铅处理96ΩH。铅诱导毒性并诱导斑马鱼类的各种行为变化。在G1的情况下（1.5？±0.2？cm长）鱼类，LC50值范围为27.2？±1.8？mg / l至9.7？±1.3？mg / l。在G2（2.0？±0.2℃）鱼中，LC50值为37.01？±2.3？Mg / L，它减少为32.03？±3.4？mg / L后48℃。在G3组（2.5？±0.2？cm长），LC50值为38.78？±2.4？Mg / L治疗后，该值减少为33.18？±1.1？Mg / L在48℃之后。在72℃之后，LC50值为27.2？±2.1？Mg / L，并且在G4（3.0？±0.2Ω·厘米长度）鱼中，此值在96℃（18.3→α≤2.1？mg / l）后显着降低。此外，用硬水中的铅处理G4鱼，并分析LC50值。 LC50值被观察为28.62？±2.7？mg / l在硬水和同一鱼组（G4）显示18.3？±2.1？mg / L.毒性分析显示，在硬水中，铅在硬水中毒性较小。

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