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Pigs can’t fly: U.S. high-end livestock breeders lose millions in China tariff fallout

China has been a key importer of American hog and dairy cattle genetics, but shipments have stalled

China is one of the biggest importers of American breeding pigs and other livestock genetic material such as cattle semen. These lucrative niche export markets had been growing, but dried up since U.S. President Donald Trump started a trade war with Beijing.