US skim milk powder spot prices averaged 2.1756 dollars per pound last month, up 90.9% year on year, while butter fell 18.9% over the same period. Demand for high-protein dairy products, including sports nutrition and GLP-1 related products, has pulled skim milk above butter in price.
Butter output rose 10.9% year on year in September as more fat was left over from protein production.
Strong demand for skim solids lifts the price of nonfat dry milk, a feed and food protein input, and it changes the relative value of dairy streams. The growing butter fat surplus may limit butter prices, even as protein-driven demand keeps skim milk powder firm.
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