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

Naughty Or Natural?

My horse has a rude habit of flashing my friends when they we visit him. How can I stop this behavior?

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How Can I Stop a Horse from Striking?

The horse strikes the ground, stall, water tank, and fence. I’m concerned he will hurt himself, destroy property, and influence my horses. What can be done to correct such rude behavior?

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Moody Horses

Why is My Horse So Grumpy?

Why does my 2-year-old pin her ears all the time (i.e., if you touch her, mount her, walk in her stall), but she doesn’t kick or bite and seems to like attention?

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USEF Approves Further Investigation Into Depo-Provera Use

Tranquilizers for Riding

What is your opinion on using tranquilizers to calm a horse down so you can ride it? I’m thinking of our son’s mare who is a little too hot at this time of the year.

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Antsy About Urinating

My horse is a 6-year-old off-the-track Thoroughbred who raced until he was 3 years old. Whenever he has to pee, he gets very nervous and dances around. Is there any reason why this happens, and could it be linked to his time on the track?

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Differences Between Mares and Geldings

Mare Expelled

My gelding decided to put an older mare out of the herd. He will not let her anywhere close to the other horses. Have you heard of this, and is there anything I can do to get them all happily together again?

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Breeding Dummy Design

Breeding Dummy Design

Are there size recommendations for a building a breeding dummy for a Quarter Horse stallion?

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AAEP Veterinarians Discuss Estrus Suppression in Mares

Mare Aggression

I own a Paint mare who has a history of aggressive behavior toward geldings. She will kick out when they’re close, but gets along well with other mares. This behavior becomes much more pronounced pre-estrus. Why she is reacting like this?

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