We are the nation's most effective animal protection and animal welfare organization working to end suffering for all animals.

Happy woman and her dog

With your help, we stand up and fight for all animals who are suffering. Learn more about how you can get involved.

Chickens in dark battery cages
Frank Loftus
/
The HSUS

Factory farming causes billions of animals to suffer every year, but they are not the only ones paying a heavy price.