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LH · Lean Hogs ·Bridge of Death · Your Fate
Napkin Math
Let’s run the numbers.
The arithmetic
Rough estimate
| Chinese pigs killed by ASF (Aug 2018 to Feb 2020) | ~225 million |
| Average market hog weight | ~285 lb |
| Total pig biomass | 225M × 285 = 64 billion lbs |
| Convert to tonnes | ~29 million tonnes |
| Pig density (~slightly denser than water) | ~1.1 g/cm³ |
| Total volume | ~26 million m³ |
| Central Park lawn area | 3.41 km² = 3.41 million m² |
| Depth | 26M ÷ 3.41M = 7.6 m |
| Depth of the pile | ~25 feet |
Why this matters
The scene is a biomass calculation. The market is the tail risk.
African Swine Fever is the single largest tail risk in the Lean Hogs balance sheet. The virus is harmless to humans but near-100 percent lethal to pigs for the virulent genotype II strain within 7 to 10 days of exposure, with no commercially available vaccine. The 2018 to 2020 Chinese outbreak removed roughly a third of the world’s largest total hog inventory in 18 months, with breeding-herd losses closer to 40 percent.
The virus is now endemic across much of the globe: China (where the 2018 outbreak still smolders), Vietnam, the Philippines, Russia (where the modern outbreak originated), Haiti, the Dominican Republic, and large parts of Eastern Europe. It has not reached the US commercial herd, which is why the USDA-APHIS Animal Disease Traceability rule, the Secure Pork Supply biosecurity protocols, and roughly $500 million a year in industry biosecurity spending exist. Every port-of-entry agricultural inspection in the United States has ASF as a top-three priority.
If ASF reaches the US commercial herd, the first response is an immediate 72-hour export ban while USDA assesses containment. Lean Hog futures would open limit-down. Historical analogs suggest a 25 to 50 percent price drop that holds for months, possibly a year, before the market reprices the containment outcome. This is why every US pork export shipment and every US hog farmer carries ASF insurance that did not exist five years ago.
USDA-APHIS, ASF Response Plan, 2024 revision
For a Lean Hogs trader, ASF is the fat-tail option in the LH options chain. Deep out-of-the-money LH puts have traded at persistent premiums since 2019 for exactly this reason. The question is a thought experiment. The 25-foot pile in Central Park is a trader’s reminder that the pork market has a one-event scenario large enough to overwrite every other variable on the curve.