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> "it becomes incumbent on the researcher to explain why no-one has noticed this before"

Farmer: huh, we'll I'll be damned. Who in the hell woulda thought to feed them seaweed."

If I'm not mistaken the original inspiration for this research was precisely that farmers noticed their cattle (or perhaps it was sheep) were happier when allowed to graze in fields which happened to be along the shore, allowing them to naturally eat quantities of sea weed.

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