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Frequently (and not so frequently) Asked Questions

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BRIEF: Are pine trees harmful to horses?


QUESTION:
I am tring to find out if Pine trees are harmful to horses. Should they eat them?

ANSWER:

Pine trees will do them no good. There is very little there of nutritive value in it and there are essential oils, terpenes, etc. that can cause problems for some individuals. Some of these compounds (eg from Ponderosa pine needles) kick up estrogen levels high enough to cause abortion. Another problem is that some people think the ornamental yew bush is a pine, but a few mouthfuls of THAT and your horse is dead. try to find out which species you have.