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Abstract
The percentage of slaughter hogs that qualified for U.S. No. 1 or No. 2 grades rose dramatically between 1968 and 1980, according to the most recent U.S. Department of Agriculture nationwide sample. In 1980, nearly 96 percent of all barrows and gilts were U.S. No. 1 or No. 2, compared with 50 percent 12 years earlier. Hog producers are striving to raise leaner hogs to satisfy consumer preference.