The law is based on facts, that pit bulls disproportionately bite at higher rates compared to other dogs. Discriminatory? maybe. Necessary? Definitely.
In July 2005, about 6 months prior to San Francisco enacting a pit bull sterilization law, the San Francisco Chronicle reviewed hundreds of dog bites logged by the city. According to Animal Care and Control department records, pit bulls and their mixes accounted for 27% of reported dog bites since 2003, even though they accounted for only 6% of licensed dogs. Of the 900 bite incidents recorded in this period, 626 traced to a specific dog. Of those, 169 bites were attributed to pit bulls. As the Chronicle writer points out, "that's more than the number of bites by German shepherds (69), Labradors (58) and rottweilers (34) combined."
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