Quercus species, Red Oak, White Oak
Both deciduous and evergreen trees with lobed or serrated leaves arranged in spirals. Flowers are catkins and the fruit is an acorn nut.
Only during drought conditions, unpalatable. However horses quickly become addicted to acorns and will actively search them out even when there is other forage available.
Leaves and acorns.
Abdominal pain, constipation, bloody diarrhea, depression, frequent, discolored urine, jaundice.
Contains tannic acid which is poisonous to horses and can be fatal.
*It should be noted that we are not veterinarians. This information is written specifically for horses and should be used for reference purposes only. If you think your horse has eaten something toxic call your vet right away.