Use of regulated animals in U.S. biomedical research falls to lowest levels on record

The number of federally regulated animals used in U.S. biomedical research dropped last year to its lowest level since data collection began in 1972, according to new statistics posted by the U.S. Department of Agriculture (USDA). Approximately 834,000 rabbits, nonhuman primates, and other regulated animals were used in research last year, compared with more than 1.5 million in the early 1970s. 
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