Outreach to Pets In Need will host another free HomeAgain microchip clinic from noon to 3 p.m on Saturday, Feb. 23, at the Stamford Veterinary Center & My Pet Lodge, 633 Hope St., Stamford.

Since April 2012, OPIN has given away 267 free microchips.

Pet owners can have dogs and cats microchipped. Cats must be in carriers and dogs on leashes. No appointment is needed. Lifetime registration into the national pet recovery database is included and processed by OPIN.

One in three pets will get lost. Without identification, 90 percent of these pets will not return home. A microchip is the only permanent form of identification that cannot be altered or removed. The procedure is simple and similar to a routine shot. A chip, about the size of a grain of rice, is implanted by a veterinarian between the pet's shoulder blades just below the skin. The process takes a few seconds and no anesthetic is required.

When a pet is found, a scanner is used to detect the presence of a microchip. Each chip has a unique number that corresponds with a database like HomeAgain, which contacts the owner.

OPIN is an all-volunteer, nonprofit organization that has financially supported the Stamford Animal Shelter since 2007. For information, visit www.opinpets.org or call Ali Girardi, co-director at 203-326-0216.

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