A practice that is decried by animal rights activists and many scientific experts, and was recently made illegal in California, remains popular among American dairy farmers.
According to a 2002 report from the U.S. Department of Agriculture, just over half of America's dairy farmers dock the tails of some or all of their cattle, though a more recent study from Colorado State University suggests that more than 80 percent of U.S. dairy farms may practice docking. Docking involves either cutting...
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