Together, we can reduce the homeless pet population in Colorado.

Unplanned litters of dogs and cats are a significant source of animals entering the shelter system, and there are not enough homes for these animals in our state.

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What We Do

We provide discounted sterilization services for dogs and cats in communities without affordable options for veterinary care. With your help, we can reach more Colorado neighborhoods.

Our Mission

How our work helps local communities

Bergen Spay and Neuter Alliance takes a comprehensive approach to providing spay and neuter services in the most underserved communities in Colorado. Our mobile surgical unit allows us to work directly in the highest-need communities in our state. Our high-impact work improves the lives of dogs and cats, their owners, and the entire communities we serve.

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What this means

Consider the numbers:

A female dog can have up to three litters in a year with an average litter size of seven puppies. That means, one female and her puppies can create 67,000 puppies in six years.

These unplanned litters of dogs and cats are a significant source of animals entering the shelter system, and there are just not enough homes for all the dogs and cats currently in our country. That’s where spay and neuter – or sterilization services – become so important.

Our Story

Meet our staff, board members and doctors.

Who We Are

Our Partners
Colorado O2 ServicesGreen Dog Graphic DesignMile High Canine RescueSw33t.com design & creative
Let’s keep in touch!

Stay informed of upcoming clinics, Colorado pet-related community events, and important announcements from Bergen Spay and Neuter Alliance.

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