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Napkin Math
Let’s run the numbers.
The arithmetic
Rough estimate
| US ground beef consumption per year | ~8.5 billion lbs |
| Imports (lean trim for burger blend) | ~2.5 billion lbs |
| Imports as share of ground beef | 2.5 ÷ 8.5 |
| Primary origin countries | AUS, BRA, URY, NIC |
| Of 100 lbs ground beef | ~30 lbs imported |
| Imported pounds per 100 | ~30 |
Why this matters
The scene is a Costco meat case. The market is import elasticity.
The imported-lean-trim wedge is structural, not cyclical. US cattle are finished on corn, which makes them fatty. Finishing on corn produces excellent Choice and Prime steaks but leaves a trim byproduct that is 15 to 25 percent fat. To make a Costco hamburger that is 80 or 85 percent lean, that fatty trim gets blended with much leaner trim from grass-fed cattle. Australia, Brazil, Uruguay, and Nicaragua all run grass-fed systems that produce 90 to 95 percent lean trim as their standard product.
The pre-2022 import share was ~20 to 25 percent of ground beef. The post-2022 herd shrinkage, cycle-bottom at 87 million head, pulled imports higher to ~30 percent. If the US herd rebuilds and more domestic lean trim comes to market, imports flex back down. The Australian cattle cycle runs inverse to the US, so when the Aussie herd rebuilds (as it did 2020 to 2022), US imports surge.
Live Cattle futures reflect US-domestic finished cattle only. They do not price the import flexibility. That is why cash cattle and LC futures can diverge from US ground beef prices for months at a time — the burger supply is partially shock-absorbed by the import channel.
USDA-FAS, Livestock and Poultry World Markets and Trade, 2024
For a Live Cattle trader, the practical implication is that LC is not a pure US-beef-consumption trade. Watch the USDA-FAS monthly import data and the USMEF export reports together: the import side absorbs demand shocks, the export side absorbs supply shocks. When both move the same direction, LC futures move faster.
The question is a thought experiment. The 30 pounds per 100 is a trader’s reminder that the hamburger supply is global.