摘要：The present paper realized an analysis of the articulated issues and the decision rendered by the Supreme Court in ADI 1856/RJ that discusses the legal validity of the Law enacted by the state of Rio de Janeiro that regulates the practice of the rooster fighting. The standard was declared unconstitutional by the reason of the cruelty, which is subjected the combatant race birds. The decision had as a parameter the principle of human dignity and the constitutional determination that the environment must be protected by the government and by the community. The study is realized under the anthropocentric conception. The goal is to analyze the issue of cruelty against the animals and the protection of the man against the loss of their own dignity with violent actions. For the study, the deductive method was used, by the means bibliographic search to answer the problem that has its heart in reason to protect animals from cruel acts.
关键词：unconstitutionality; rooster fighting; animal welfare; cruelty; human dignity.;inconstitucionalidade; rinha de galos; proteção dos animais; crueldade; dignidade humana
