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Free Animal Health Resources

Looking for free Internet resources that provide quality, animal-health-related information?

The following websites may help, but please keep in mind that these sites are not endorsed by Cornell University. Information on the Internet is not a substitute for quality professional veterinary care, experience, and expertise. 

As always, your veterinarian is the very best resource to consult for questions regarding your animal’s health, especially if your animal is ill.  If your concern is urgent, contact him or her immediately.

Animal Welfare Information Center (AWIC) (U.S. Department of Agriculture, National Agricultural Library)

Links to various publications, resources, & other useful sites related to animal welfare

Gateway to Farm Animal Welfare (Food and Agriculture Organization of the United Nations, Animal Production and Health Division)

Animal Behavior Clinic (Cornell University Hospital for Animals)

Checklists for identifying behavior problems in cats, dogs, & horses

Animal Behavior Resources Institute (American Humane Association)

Brief instructional videoclips, podcasts, news, articles, & more

The Indoor Pet Initiative (Ohio State University, College of Veterinary Medicine)

Checklist with helpful suggestions for enriching the lives of indoor cats

PubMed MEDLINE (US National Library of Medicine)

Over 20 million citations, dating back to the 1940s, indexed from over 4,900 human medical, nursing, dentistry, veterinary, & related biomedical journals.

PubMed Search for Comprehensive Veterinary Topics

PubMed Search for Animal Health and Veterinary Journals

Consultant (Cornell University’s Veterinary Diagnostic Database)

Links to over 500 clinical signs and symptoms for nearly 7,000 possible diagnoses or disease conditions, including a selected list of up-to-date journal articles on each diagnosis


Animals in Disasters (US DHHS Disaster Information Management Research Center)

Animals in Disasters (Animal Welfare Information Center, APHIS, USDA)

Caring for Animals (FEMA)

Disaster Preparedness (ASPCA)

Preparación en Caso de Desastres (In Spanish) (ASPCA)

Pets and Disasters (American Veterinary Medical Association)

Disaster Information Management Research Center (DIMRC)

Canine Epilepsy Resource Center

Canine Health Foundation (American Kennel Club)

Lists ongoing research projects on canine diseases

Canine Health Information Center

Cornell Feline Health Center Client Information Brochures

Online brochures on topics from general cat care to infectious diseases

Cornell Feline Health Center’s Dr. Louis J. Camuti Memorial Feline Consultation and Diagnostic Service 1-800-KITTY DR (1-800-548-8937)

Available Monday & Friday from 9am-12noon and 2-4pm (EST) (Note: There is a nominal charge for answers to any cat health-related question.)

Doctors Foster and Smith Pet Education

Exotic Pet Vet (Margaret A. Wissman DVM)

Health information about birds, reptile, & other exotic pets (American Animal Hospital Association)

Information about accredited animal hospitals near you, answers to pet health questions via their Pet Care Library, and list of recommended reading

Merck Veterinary Manual Online

Note: This source may contain inaccurate or outdated information since the publication of the manual’s 10th edition in September 2010.

Pet Health Topics (Washington State University, College of Veterinary Medicine)

Information about dog and cat health, including procedures, common problems, diseases, & miscellaneous healthcare topics


Over 5,000 articles on dogs, cats, fish, small mammals, reptiles, birds, & horses

Veterinary Partner

News and information about behavior, health, diseases, and drugs related to dogs, cats, birds, horses, & other pets

Vetinfo: A Veterinary Information Service (Michael Richards, DVM)

Information about diseases and conditions of cats and dogs

Johne’s Information Center (University of Wisconsin, School of Veterinary Medicine)

Information about paratuberculosis, the infectious disease of cattle

Educational Resources

Free downloadable iBooks on veterinary medicine

Guide to Congenital and Heritable Disorders in Dogs (Association for Veterinarians for Animal Rights (AVAR), available from Humane Society Veterinary Medical Association)

Medical, Genetic and Breed Problems Known in Dogs (Dog and Cat Health)

NetVet & Electronic Zoo (Ken Boschert, DVM, Washington University)

Lists over 18,000 international websites on veterinary & animal topics Veterinary Medicine (Janet Tobiassen Crosby, DVM)

Intute: Veterinary Medicine (Formerly: VetGate) (Complementary and Alternative Medicine)

Whole Pet Vet: A Guide to Holistically Treating Your Pets (Donna Kelleher, DVM)

Information about acupuncture, gold bead therapy, chiropractic care, diet & nutrition, and herbal medicine, as well as information about choosing a convertional vs. holistic veterinarian (Complementary and Alternative Medicine)

Lists veterinarians who practice various forms of complementary and alternative medicine therapy

American College of Veterinary Internal Medicine

American College of Veterinary Surgeons (American Animal Hospital Association)


American College of Veterinary Nutrition

Provides links to reputable sources about veterinary nutrition

Ohio University Veterinary Hospital. Nutrition Support Service

Provides a diet manual, diet search, & more

Oncology & Acupuncture (Gulf Coast Veterinary Specialists, Houston, Texas)

Merck Veterinary Manual Online

Note: This source may contain inaccurate or outdated information since the publication of the manual’s 10th edition in September 2010.

OncoLink: Vet – University of Pennsylvania Abramson Cancer Center

ASPCA National Animal Poison Control Center

Extensive information about poisons for animals, including access to their fee-based emergency service

Plant Poisoning of Livestock in Vermont (University of Vermont Extension)

Plants Poisonous to Livestock and Other Animals (Cornell University, Department of Animal Science)

Growing reference that includes plant images, pictures of affected animals, and presentations concerning the botany, chemistry, toxicology, diagnosis and prevention of poisoning of animals by plants and other natural flora (fungi, etc.)

Plants Toxic to Animals (University of Illinois at Urbana-Champaign, Veterinary Medicine Library)

Comprehensive database of plants by common and scientific names

Indiana Plants Poisonous to Livestock and Pets (Purdue University)

Lists plants alphabetically, by toxicity rating, species, & botanical type, along with a picture index

Toxic and Non-Toxic Plants (ASPCA)

Lists plants that are toxic and non-toxic to dogs, cats,

MEDLINEplus Health Information: Pet Health

Articles about animal diseases that can affect human health

Healthy Pets Healthy People (National Center for Infectious Diseases at the US Centers for Disease Control and Prevention)

Information about important diseases that people can get from animals, with lists by disease and animal species

Merck Veterinary Manual Online

Extensive table of diseases that affect both humans and animals around the world (located on the Zoonoses page)

Note: This source may contain inaccurate or outdated information since the publication of the manual’s 10th edition in September 2010.

Zoonotic Diseases  (Institutional Animal Care and Use Committee (IACUC), University of California, Santa Barbara)

Guidelines for preventing disease transmission in animal facilities, with lists of diseases and diseases by animal reservoir created by Dr. Michael S. Rand