Beaver extinction in part for the production of castoreum, which was used as an analgesic, anti-inflammatory, and antipyretic. Castoreum was described in the 1911 British Pharmaceutical Codex for use in dysmenorrhea and hysterical conditions (i.e. pertaining to the womb), for raising blood pressure and increasing cardiac output. The activity of castoreum has been credited to the accumulation of salicin from willow trees in the beaver's diet, which is transformed to salicylic acid and has an action very similar to aspirin. Castoreum continues to be used in perfume production. Castoreum can be used as an enhancer of vanilla, strawberry and raspberry flavorings.
Animal welfare and rights in Sweden 2014 survey of 1000 Swedes commissioned by Animal Rights Sweden, ten percent of respondents identified as either vegan or vegetarian. This was a four-percent increase from a survey five years earlier. In 2012, 982,842 animals were used in research in Sweden. If fish used in sample-based fishery surveys are included, 5,535,458 animals were used. An undercover investigation of 15 Swedish mink farms by activist group Animal Rights Alliance found behavior indicative of high stress and frustration on 13 of 15 farms; infected, unconscious, convulsive, maimed, and dead animals; cages with large amounts of feces piled up on 67% of farms;