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1958 The first federal Humane Slaughter Act requires all packers selling to the US government to provide anesthetization or instant stunning by mechanical or electrical means prior to the killing of cattle, calves, horses, mules, sheep, swine and other livestock, except in the case of kosher slaughter. The law covers 80 percent of the livestock slaughtered (see 1978 for further information on the Act).
1959 The Wild Horse Annie Act prohibits the poisoning of wild horse and burro waterholes, as well as the use of motorized vehicles to round the horses up for sale to slaughterhouses. 1966 The Laboratory Animal Welfare Act sets minimum standards of care and housing for dogs, cats, primates, rabbits, hamsters and guinea pigs in the premises of animal dealers and laboratories, and it requires identification of dogs and cats to prevent theft. Dealers must be licensed and laboratories must be registered (see 1970, 1976, 1985 and 1990 for broadening and strengthening of the law). The Endangered Species Preservation Act provides for the listing of native threatened and endangered species by the Secretary of Interior (additional protection for endangered species came with enactment of the Endangered Species Conservation Act of 1969 and the Endangered Species Act of 1973). |
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