Pilobolus, Horse Poop and the fastest living creature on this planet

I noticed that the poops from our Horse and Mule were getting a white hairy fungus growing on them. The barn is pretty humid. I did some googling to see if this was symptomatic of a health problem. Turns out this is quite normal.

The fungus is probably of the Pilobolus genus and when they launch their spores, the action is the fastest recorded velocity of any critter on this planet: