This week’s frigid weather has many New York City residents shivering, scurrying into cozy spots and feeling sapped.

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But it boosts efforts to get rid of them, says city “rat czar” Kathleen Corradi. “It’s stressing out rats. It’s putting them in their burrows,” she says.

This cold weather is causing some e-rat-tile dysfunction. Dirty rats aren’t doing the dirty deed in New York City as experts say a streak of Arctic temps have put the usually randy vermin’s libidos on ...

11 NEWS INVESTIGATES HAS LEARNED THE CITY WILL SOON BE ADDING RAT CONTRACEPTIVES TO ITS RODENT FIGHTING ARSENAL. WE TALKED WITH A COMPANY THAT MAKES THESE TYPES OF CONTRACEPTIVES. ROCHELLE ...