Question

Cockroach population is growing so rapidly that it has become almost impossible to kill them with chemicals alone. When cockroaches survive an insecticide treatment, they and their offspring quickly become 'essentially immune to the insecticide, a Purdue University study found. Not only that, they develop an immunity to a range of other insecticides even if they were never exposed to them - something the scientists call 'cross resistance! We would see resistance increase four to six-fold in just one generation. Female cockroaches can produce up to 50 offspring in three months, passing their immunity to them. So if only a fraction of the cockroach population survives an insecticide treatment and becomes cross resistant, a decimated population would skyrocket again. Scientists have said that cockroaches developing resistance to multiple classes of insecticides at once will make controlling these pests with chemicals alone virtually impossible. (1210L) ​

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