Carl Linnaeus, The Lapland Journey, translated by Peter Graves (Edinburgh: Lockharton Press, 1995), p. 176.
Österbotten, 12/08/1732, ¶974:
The cookhouses here have built-in cauldrons for the boiling of horse dung for use as cattle fodder; also to heat the water they use to pour on the reindeer moss they give the cattle. Pork and salmon are smoked high up inside. But the milk takes on a repulsive taste.