carbon monoxide gas

New York exterminators currently kill rats using snap and glue traps, poisons that make them bleed internally, and carbon monoxide gas that can suffocate them in burrows.

However, it is vital to ensure exhaust pipe is not blocked by snow because highly toxic carbon monoxide gas could enter the car.

In 2010, as a precursor to attempts to restore the rare prairie habitat at American Camp, the national park began eradication of the rabbit and fox populations by pumping their dens with carbon monoxide gas.

However, it is vital that the exhaust pipe is not blocked by snow as highly toxic carbon monoxide gas could enter the car.

Animals are led to the stunning area, where they are sedated by carbon monoxide gas.