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Sterilisation & ABC

Understanding ABC and sterilization

Animal Birth Control is the only approach that reduces street dog numbers humanely. Here is how it actually works, and what a good programme looks like on the ground.

6 min read Reviewed guidance for India

A dark and white dog resting on a red table wrapped in a blanket

What ABC means

Animal Birth Control is the programme India uses for street dog population management: catch a dog humanely, sterilize and vaccinate it, recover it, and return it to its own territory. It is run by municipal bodies with animal welfare organisations under the ABC Rules.

The return is not the weak part of the plan, it is the point. A sterilized dog holds its territory, and a stable, vaccinated group prevents unsterilized dogs from moving in and breeding.

Why removal does not work

Catching and relocating dogs from an area feels decisive and fails reliably. New dogs move into the empty territory within weeks, they are usually unsterilized, and the cycle restarts with dogs who do not know the street.

Culling has the same problem and worse ethics. The evidence across decades points the same way: sterilization plus vaccination, sustained, is what reduces numbers.

What a good camp looks like

A proper ABC operation has a catching team, a veterinarian and a sterile surgical setup, a recovery space with clean bedding and observation, ear-notching or tattooing for identification, and a return plan.

After surgery, dogs need a quiet recovery of several days, pain relief, and a check of the wound before release. A dog returned the same afternoon to a busy road is a bad programme.

What you can do as a resident

Find out when the ABC van covers your area and ask the municipal veterinary officer to include your locality. Offer to identify the dogs and be present at catching, which is the hardest part.

Keep a list of which dogs are already sterilized, identified by ear notch. It stops repeat catches and shows the programme is working.

The honest timeline

Population change is slow. A locality that sterilizes consistently sees fewer litters and steadier dogs within a couple of years, not a couple of months.

Anyone promising empty streets in weeks is selling something. The measure of success is fewer suffering puppies, fewer bites, and dogs that are vaccinated and known.

General guidance for street dogs in India, written for volunteers and residents. It is not a diagnosis and does not replace a veterinarian who can examine the animal.