Why does my crafting hemp stink?

I bought a roll of crafting hemp (for macrame jewelry) at Walmart and it smells horrible. But not anything like marijuana. It stinks like a cow pie. Or a pig barn. Is what I have really hemp? Why does it stink so?
Update: i read the label better and it says hemp and mixed fibers. I'm a thinking the mixed fibers came from a horse barn. And/Or were stored in one before shipping.Comes from Romania.
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