Anthony Knight, BVSc, MS, Dipl. ACVIM

Anthony P. Knight, BVSc, MS, Dipl. ACVIM, is a professor of large animal medicine in the College of Veterinary Medicine and Biomedical Sciences at Colorado State University. He received his veterinary degree from the University of Nairobi, Kenya, in 1968. After completing a master’s degree at Colorado State University, he joined the faculty in 1974. His current professional interests include livestock heath, foreign animal diseases, emergency management, and plant toxicology. He has written two books on poisonous plants of animals in North America, and maintains a poisonous plants website for use by anyone wanting poisonous plant information.

Articles by Anthony Knight

Black Walnut Risks in Horse Pastures

Is it dangerous for my horse to graze near areas with black walnut trees and walk through fallen walnuts? Read More

Keep Horses Away From Creeping Indigo

What is creeping indigo and will it hurt my horse? Read More

Will Eating Grass Seeds Hurt My Horse?

We are new horse owners who know very little about horses. We've had our horse "Trouble" (a 2-year-old Standardbred-Arabian cross) for almost a week now. A local horseman said it would be fine to dump our two bags of buckwheat, red clover, and Read More

Black Walnut Tree Shavings as Trail Mulch?

Q: This summer we are planning to start making riding trails on our heavily wooded property. As we cut down the branches and trees, we plan to chip the wood to mulch the trails. However, we have a good number of black walnut trees, and I am wondering Read More

Is Millet a Problem in the Pasture?

I am considering moving my two mares to 10 acres of land that had been planted with millet feed last spring. Because of the lack of moisture, the millet only grew to be about five inches high, then dried out and died. I am going to wait and see Read More

Can Horses React to Poison Ivy and Poison Oak?

Q: There is quite a bit of poison oak and poison ivy on the acreage where I keep my horses. I have recently added a 2-year-old Thoroughbred mix, and she immediately broke out on her legs and muzzle with small rash-like, Read More

Mangoes Toxic to Horses?

Q: In our horse paddock there are four mango trees. Our horses often eat the mangoes that fall off the tree. We were wondering if it is possible for our horses to get sick from eating too many mangoes. A: Mango has not been reported Read More

Alsike Clover Poisoning

Q: I'd like to see more information on alsike clover sensitivity, especially in horses with large areas of white skin such as Paints, pintos, and Appaloosas. All the information I can find suggests that the only problem you will Read More

Oranges for Treats?

Can horses eat oranges? I just bought a 4-year-old gelding who apparently loves oranges. Read More

Fescue Allergy?

Have you ever heard of a systemic allergy to fescue grass? Read More

Guinea Grass Toxicity

I have a gelding that can't eat guinea grass because it causes his hair to fall out in patches. Read More

Skunk Cabbage Toxic to Horses?

Recently our horses have begun eating skunk cabbage that grows on the property. Is it harmful to horses? Read More

Mesquite Tree Beans Toxic?

Do you have any information about mesquite tree beans being harmful to horses? Read More