If you've been hoping inflation was finally under control, I've got bad news. The war in the Middle East is about to hit your grocery bill, and it's coming through a supply chain most people don't even think about: livestock feed.

Here's how it works. The U.S. blockade on Iranian ports and the ongoing fighting around the Strait of Hormuz have choked off global fertilizer shipments. Iran is a major exporter of urea and other key fertilizers, and when that supply gets cut, prices spike. Fertilizer prices are already up over 50% year-over-year, and that flows directly into higher grain and feed costs.

Higher grain prices mean higher feed costs. Farmers and ranchers who raise cattle, pigs, and chickens are getting slammed. Alfalfa, corn, and soybean meal, the staples of livestock feed, are climbing every week. On top of that, diesel and transportation costs are rising as oil prices stay elevated, making it even more expensive to haul feed and run farm equipment.

So what happens next? Margins get squeezed, and those costs get passed on. Either meat prices go up at the grocery store, or producers cut herd sizes and slow production, which also drives prices up. It's a lose-lose for consumers.

For investors, there's a clear playbook here. Companies that supply feed, fertilizer, and ag equipment are positioned to benefit. The VanEck Agribusiness ETF (MOO) holds names like Tractor Supply, ADM, Bunge, Nutrien, Mosaic, and CF Industries, all of which are seeing strong demand and pricing power. Corteva and Deere round it out on the seed and machinery side.

Analysts expect ag input prices to stay elevated through the summer, which means these companies should keep reporting solid earnings. Forward P/E ratios on most of the holdings are reasonable, in the mid-teens to low twenties, so there's room to run if the thesis plays out.

This isn't a long-term hold, it's a tactical trade on a real supply shock. The war is driving fertilizer scarcity, which drives feed costs, which drives food inflation. The companies in the middle of that chain are the ones making money right now. If you're looking for a hedge against rising grocery prices, this is it.