Will Black Walnuts Hurt Horses?
Is it dangerous for my horse to graze near areas with black walnut trees and walk through fallen walnuts?
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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.
Posted by Anthony Knight, BVSc, MS, Dipl. ACVIM | Dec 12, 2018 | Article, Farm and Barn, Healthy Farm Management, Hoof Care, Laminitis (Founder), Nutrition, Pasture & Forage Management, Poisoning & Toxicity
Is it dangerous for my horse to graze near areas with black walnut trees and walk through fallen walnuts?
Read MorePosted by Anthony Knight, BVSc, MS, Dipl. ACVIM | Apr 20, 2016 | Article, Pasture & Forage Management, Poisoning & Toxicity
What is creeping indigo and will it hurt my horse?
Read MorePosted by Anthony Knight, BVSc, MS, Dipl. ACVIM | Mar 30, 2011 | Ask TheHorse, Diseases and Conditions, Farm and Barn, More Diseases & Conditions, Pasture & Forage Management, Pastures, Podcasts, Poisoning & Toxicity, Weeds
What weeds, trees, and shrubs are poisonous to your horses?
Read MorePosted by Anthony Knight, BVSc, MS, Dipl. ACVIM | Feb 1, 2006 | Article, Colic, Pasture and Forages
Could eating buckwheat, red clover, and twitch grass seeds be harmful to my horse?
Read MorePosted by Anthony Knight, BVSc, MS, Dipl. ACVIM | Apr 1, 2005 | Article, Laminitis (Founder), Poisoning & Toxicity
Would black walnut tree shavings be safe to use as trail mulch?
Read MorePosted by Anthony Knight, BVSc, MS, Dipl. ACVIM | Nov 1, 2004 | Article, Pasture & Forage Management
I am considering moving my two mares to 10 acres of land that had been planted with millet feed last spring.
Read MorePosted by Anthony Knight, BVSc, MS, Dipl. ACVIM | Jul 1, 2004 | Article, Hives & Skin Allergies, Skin Problems
Can poison oak and poison ivy cause allergic reactions in horses? There is quite a bit of poison oak and poison ivy on the acreage where I keep my horses.
Read MorePosted by Anthony Knight, BVSc, MS, Dipl. ACVIM | Jun 1, 2004 | Article
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.
Read MorePosted by Anthony Knight, BVSc, MS, Dipl. ACVIM | Apr 1, 2004 | Article
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.
Read MorePosted by Anthony Knight, BVSc, MS, Dipl. ACVIM | Mar 1, 2004 | Article, Poisoning & Toxicity
Can horses eat oranges? I just bought a 4-year-old gelding who apparently loves oranges.
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