[30 years animal welfare legislation: what has been achieved?].
D000822:Animal Husbandry / Q000592:standards*; D000827:Animal Welfare / Q000331:legislation & jurisprudence* / Q000592:standards*; D000818:Animals; D005260:Female; D006799:Housing, Animal / Q000592:standards*; D006801:Humans; D007886:Legislation, Veterinary; D008297:Male; D013557:Switzerland
30 Jahre Tierschutzgesetz: Was wurde erreicht?