The pilot program will bring rat contraceptives to Lincoln Park later this summer, Ald. Timmy Knudsen (43rd) announced in a ...

The privately funded "Rat Contraceptive Pilot" uses non-toxic contraceptive pellets to reduce the rat population.

Chicago is expanding its fight against rats — and it's not using poison. A North Side alderman is launching a pilot program that will use rat contraceptives to tackle the city’s growing rodent problem ...

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Alderman Timmy Knudsen, who represents the 43rd ward, announced Thursday the "rat contraceptive pilot" program.