
A Castilla y León government study put the average economic cost of producing 100 kg of milk at 47.79 euros, with feed making up 28.06 euros or 58.7% of that cost. The cost of dairy rations rose from 240.14 euros per tonne in the first 17 weeks of 2026 to 268.14 euros between weeks 40 and 44, while producer milk prices fell.
Rising ration costs combined with falling milk prices squeeze dairy margins, which can reduce herd sizes and lower future demand for dairy-related feed ingredients. The widening feed-to-milk price gap is a bearish signal for milk and a bullish pressure on feed input costs.
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