What We Know About Selenium Needs in Mules
Madeline Boast, MSc
December 29, 2025
How much selenium do mules need, and what risks accompany selenium deficiency or toxicity? An equine nutritionist explains.
How much selenium do mules need, and what risks accompany selenium deficiency or toxicity? An equine nutritionist explains.
Here’s how to choose a high-quality ration balancer for your mule that provides essential nutrients without supplying additional calories.
Read about the unique nutritional and management needs of these equids in the Fall 2025 issue of The Horse.
A modified borescope might be a more accessible way for equine veterinarians to perform endoscopic exams in working donkeys.
Researchers discovered that a significant percentage of cart donkeys might have reduced tracheal function, while pack donkeys do not.
Feed donkeys lower-quality forages, such as barley straw or stemmy, mature grass hay, than you would feed a horse.
An equine nutritionist explains why you should consult your veterinarian and test hay quality if your mule (or horse) has a hay belly.
One equine nutritionist explains why mineral blocks might not be ideal for mules, and what can replace them.
One nutritionist discusses the unique dietary needs of mules.
Practitioners will create a grimace scale that can indicate stress, sickness.
Aging mules and donkeys need to be managed just as carefully as horses. Here’s what you need to know.
Get to know the nuances of donkey care, from treating metabolic issues to drug dosing.
A donkey and mule expert offers tips for veterinarians on how they can best approach, handle, and read their nonhorse equid patients.
Donkeys can thrive off straw and other low-quality forage, unlike most horses and ponies, and now we have a better idea why.
Researchers believe breeding two white-spotted donkeys could lead to embryonic loss, fetal abortion, or the death of a young foal.
Female mules can’t reproduce naturally. But researchers found they can make excellent surrogate dams for embryo transfer.
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