In Defense of Animals

In Defense of Animals

In Defense of Animals has become an international animal protection organization with over 250,000 valued supporters and a 39-year history of fighting for animals, people, and the environment. IDA accomplishes its mission through education and campaigns, as well as sanctuaries and hands-on animal rescue facilities in India, Korea, and rural Mississippi. Their main headquarters are in Marin County, California.
In early 1983, veterinarian Dr. Elliot Katz was contacted by animal activists and discovered scandalous conditions inside UC Berkeley’s animal laboratories — an event that changed animal protection history. Living in cramped and filthy facilities, animals were sick and dying while campus veterinarians were prevented from providing treatment to those in need. Dr. Katz formed Californians for Responsible Research, which filed a lawsuit against USDA, forcing them to issue a cease and desist order against UC Berkeley. Ultimately, Berkeley was fined $12,000 for violating the Animal Welfare Act. Californians for Responsible Research was renamed In Defense of Animals, and for nearly four decades years it has become a force to reckon with — foremost in animal advocacy. Dr. Katz passed away in March, 2021, and will be remembered as an animal rights trailblazer.

Dr. Marilyn Kroplick, a medical doctor and psychiatrist, has served as President since 2011. She guides the organization with her unique knowledge and a fresh approach as a visionary animal protection leader. For more, visit IDAUSA.org.

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In Defense of Animals
  • 44 Dogs: Rescue Journey

    It's a common story. Caring people who feel compelled to save every animal they can...then get overwhelmed. That's where In Defense of Animals steps in and rescues the rescuer! idausa.org

  • Dog Transforms After 8 Years on a Chain!

    Max shows how animals can teach us a lot about forgiveness. Abused for years, he learned to love and trust again. Support IDAUSA.org

  • No Animals Should Suffer in Labs!

    Animal experimentation is ineffective and cruel. It's a waste of your tax dollars. Get involved to end it. IDAUSA.org

  • Unchained: One Dog's Escape!

    Chaining dogs is a barbaric and all too common practice. Winston was chained and injured but then rescued and re-homed! IDAUSA.org tells the story of his transformation!

  • End South Korea’s Dog Meat Trade!

    In Defense of Animals has waged a long campaign to end South Korea's horrific dog meat trade. You can help too. IDAUSA.org

  • Take a Luscious London Food Tour!

    Pop into London NOW! Fleur Dawes of In Defense of Animals gives us a whirlwind tour, hitting trendy pop-ups and restaurants! Visit idausa.org

  • STOP DAIRY RANCHERS KILLING ELK

    Tule Elk are a national treasure. Tourists flock to California's Point Reyes National Seashore to see them. But state bureaucrats side with dairy ranchers and let elk die. Help stop this! IDAUSA,ORG

  • Why Ricky Gervais is DISGUSTED

    Any time you see a fur coat or a fur trim, please know that an animal has been tortured to death! Join IDAUSA.org - Be the change.