Lonkar A N
J Environ Sci Eng. 2012 Apr;54(2):241-4.
Snails Indoplanorbis exustus, were exposed to 4.8 mg/L (1/10th of 96 hL50) and 9.6 mg/L (1/5th of 96 hLC50) of Contaf Plus. Initially at 24 hours, at both the concentrations, increase in oxygen consumption rate is noted. At 48 hours stage, an increase in oxygen consumption rate is noticed at lower concentration, while at higher concentration the oxygen consumption was found to be reduced. At 72 hours stage, in both the sublethal concentrations reduction in oxygen consumption is noted. At the end of 96 hours, again in both the concentration an increase in oxygen consumption prevailed. These experimental snails., upon transfer to fresh water for 24 hours., showed decreased oxygen consumption rate. Oxygen consumption rates are discussed in this paper with respect to sublethal concentration and time of exposure to toxicant.
将扁卷螺暴露于浓度为4.8毫克/升（96小时半数致死浓度的1/10）和9.6毫克/升（96小时半数致死浓度的1/5）的Contaf Plus中。最初在24小时时，在这两种浓度下，均观察到耗氧率增加。在48小时阶段，较低浓度下耗氧率增加，而在较高浓度下耗氧率降低。在72小时阶段，在两个亚致死浓度下均观察到耗氧率降低。在96小时结束时，在这两种浓度下又出现了耗氧率增加的情况。这些实验用的蜗牛在转移到淡水中24小时后，耗氧率降低。本文讨论了关于亚致死浓度和接触毒物时间的耗氧率情况。
