Sue McDonnell, PhD, Certified AAB

Sue M. McDonnell, PhD, is a certified applied animal behaviorist and the founding head of the equine behavior program at the University of Pennsylvania’s School of Veterinary Medicine. She is also the author of numerous books and articles about horse behavior and management.

Articles by: Sue McDonnell, PhD, Certified AAB

Feeding Time Pawing

Feeding Time Pawing

Do you have any suggestions for stopping a horse from pawing while he is eating his grain?

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Rude for Food

How do I change a colt’s rude behavior at feeding time without scaring him?

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Feral Ponies

Dr. Sue McDonald talks about the semi-feral pony herd and her current research at the New Bolton Center in Pennsylvania.

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Top Medicine Studies of 2016

Sudden-Onset Cribbing and Headshaking

My pony started tossing his head and cribbing at about the same time. The head tossing has increased to the point of not being able to ride him. He has never had any problems before. What would cause him to do this?

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The Messy Mare

Why does my mare return to her stall to urinate and defecate when she has a large run and could do so outside?

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Trailer Troubles

Do you have any recommendations for how we can help a horse overcome a trailer loading problem?

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Thinking Like a Horse

Recognizing Humans

Is it common for horses to respond differently to different people in the same situation?

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Age to Breed a Colt

Our coming 2-year-old acts like he is ready to breed. How young is too young to breed a colt?

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Poll Recap: Horse Water Options

Water Bucket Blues

Why do horses tip water buckets, defecate in waterers, and/or dip hay in their water?

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