Sentence examples similar to rat population origin from inspiring English sources

"Without any predators the rat population has got bigger, and so have the rats themselves.

Without cats, the local rat population exploded -- rats that could carry plague and typhus.

Impulsive action phenotypes are identifiable in an outbred rat population.

When a rat population becomes infected, the disease is catastrophic: only 2 to 5percentt of the rats survive.

No really hard numbers exist on the rat population in New York City for that very reason.

"So long as that continues so will the growth in the rat population".

In the spring we became infested with a rat population but were able to get rid of most of them by using a common rat repellent.

By Mr. Auerbach's calculations, the rat population is a mere two million, give or take 150,000.

MANHATTAN: NEW RAT PANEL URGED -- A City Council committee looking into the increase in the rat population is to recommend today that City Hall establish a permanent rat-control authority, supervised by the Department of Health.

"It's unlikely that a lot of diseases are going to be entering cities on rats walking into the local rat population," he said.

For decades the region has proudly declared itself "rat-free", meaning it has no resident rat population.