If an animal has eaten this plant, the ASPCA Animal Poison Control Center is (888) 426-4435, as printed on the record this page reproduces. A consultation fee may apply.

This page quotes a published document. Everything below in quotation marks is copied word for word from ASPCA Animal Poison Control Center: Avocado, published by ASPCA APCC and retrieved on 2026-09-16. The quotations are excerpts; the document itself is linked and is the authority. Nothing has been reworded.

According to the ASPCA Animal Poison Control Center record, Avocado (Persea americana, family Lauraceae) is toxic to horses. Toxic principles: Persin. Clinical signs listed: Respiratory distress, heart failure, edema. The record was retrieved on 2026-09-16 and is linked below.

The record

Scientific name
Persea americana
Family
Lauraceae
Additional common names
Alligator Pear
Toxicity
Toxic to Horses
Toxic principles
Persin
Clinical signs
Respiratory distress, heart failure, edema

Where this comes from

This is the ASPCA Animal Poison Control Center record for Avocado, at https://www.aspca.org/pet-care/aspca-poison-control/toxic-and-non-toxic-plants/avocado, retrieved on 2026-09-16. The fields above are the record’s own, shown without change. The ASPCA keeps the record current; the page here is a copy from that date.

This page is information, not a prescription. The right dose for an animal depends on its weight, its age, what else it is taking and what is wrong with it. Those are judgements only the veterinarian who has examined your animal can make. Ring your practice before giving anything.

Sources

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