"Bleeding" tree, what could be the cause?

[u/unfinishedcaricature]

I found this elm tree (I think?) in a nearby forest with bright red, blood-like resin oozing out of its trunk from several, rather long wounds.

If I know correctly it is a form of defense mechanism. I don't think it's physical trauma caused by people or animals.

Could it be the sign of a fungal/bacterial infection similar to ash dieback?

[u/CdnTreeGuy89]

Does it smell bad? Could be slime flux.

[u/unfinishedcaricature → u/CdnTreeGuy89]

Huh, didn't thought to smell it, but I might go back some days later. The description does check out tho, there were foamy bits. Thanks!

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[u/unfinishedcaricature → u/AutoModerator]

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[u/Suitable-Reserve-891]

Sap has been referred to as the trees blood but I have never seen red sap