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How to Determine a Kitten’s Age

This four-step process will help you find a kitten's age. (Plus, print out our poster and keep it handy for accurate aging!)

What To Know About Cholestyramine Resin and Pets

Learn about cholestyramine, when to use it, what not to do, interactions and contraindications.

Animal Appetite Monitoring Form

This form can help shelter staff monitor the appetites of individual animals.

Shareable Graphics to Keep Pets Safe in Cold Weather

Share these helpful infographics with your community to keep pets safe in cold winter weather.

Download the Kitten Bottle Feeding Guide and Kitten Weight & Age Chart

Check out these quick tools to help staff and volunteers with feeding bottle-fed kittens.

Shelter Medicine Consults and Support for Animal Shelters

Contact the ASPCA Shelter Medicine Services team for help with questions ranging from parvovirus to sanitation to population management.

Feline URI Handouts for Fosters & Adopters

Feline URI is similar to the common cold in humans—and, like the common cold, can usually be resolved with supportive care and rest.

How To Create Easy Vertical Space for Cats

Learn six easy steps that will turn leftover kennel doors into vertical spaces for cats.

Use a Food Calculator

Use this calculator to determine the correct amount of food for dogs and cats based on weight and life stage

New Research Shows Ovarian Pedicle Tie Safe in Feline Spay Surgery

Learn more about spaying female cats with the ovarian pedicle tie (OPT) technique, which can be performed 30% faster than traditional sutures with comparable hemorrhaging risks.