Re: Horse Manure?
Ask your source if they even worm; we raised very healthy ponies when I was kid and all they got were their hooves rasped as needed. A responsible owner performs a fecal or has one done before medicating; not everyone is a responsible owner and doses on schedule only.
I'd have no problem using fairly fresh animal manure as long as it doesn't burn my plants (fresh chicken stuff makes good tea but must be aged). My friend who raised pigs, goats, sheep, rabbits and chickens wormed all but the cluckers as necessary. He composted their waste and added it to his market garden; he's a stickler and researcher yet deemed it safe.
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