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Trap, Neuter, Return

Courtesy Alley Cat Allies

Trap, Neuter, Return

OPA's Trap, Neuter, Return program (TNR) is the only method proven to be humane and effective at controlling feral cat population growth

Using this technique, all the feral cats in a colony are trapped, neutered and then returned to their territory where caretakers provide them with regular food. Young kittens who can still be socialized, as well as friendly adults, are placed in foster care and eventually adopted out to good homes.

Another significant advantage to TNR is that, when practiced on a large scale, it lessens the number of kittens and cats flowing into our local shelters. This results in lower euthanasia rates for cats and allows for the increased adoption of cats already in the shelters.

Finally, TNR is an idea whose time has come. It recognizes there is a new balance in our urban and rural landscape, one that includes feral cats. It seeks to manage this new population with enlightened techniques that allow the cats to live out their lives and fulfill their natures, while minimizing any possible negative impact. TNR is a movement that will continue to grow as more and more caring people see its potential and, in time, it will become the predominant method of feral cat management.


  • Stabilizes the size of the colony by eliminating new litters.
  • Reduces nuisance behavior often associated with feral cats including yowling, fighting and spraying by unneutered males.
  • Managed colonies prevent unneutered males form moving in and starting another breeding cycle.
  • The cats provide natural rodent control


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