摘要:In recent years, sustained research has been conducted on obtaining an efficient insecticide to fight against pests. Such an insecticide is supposed not to cause the resistance effect or to harm the environment. We investigated the action of such a product . Actara 25WG (in which the thiamethoxame is the active substance), in a concentration of 0.4mg/g body weight, on some physiological indices .number of erythrocytes, leukocytes, glycaemia level, cholesterol and triglycerides level . in Rana ridibunda. The animals used in the experiment were divided in four experimental lots: two lots of control individuals (first lot was kept at 4-6oC and the second lot at 22-24oC) and two experimental lots in which the animals were treated with 0.01 ml/g body weight Reldan 40EC and kept at 4-6oC, respectively at 22-24oC. The toxic was administrated with intraperitoneal shots (one shot every two days, in a scheme of three weeks). We observe a decrease in number of erythrocytes and leukocytes, a decrease in cholesterol level and an increase in glycaemia value while the triglycerides level remains unchanged