Effects of application of environmental enrichment in kangaroos (Osphranter rufus) at Aquário de São Paulo
DOI:
https://doi.org/10.56814/pecen.v6i0.1945Resumo
Programas de enriquecimento ambiental vêm sendo amplamente realizados em zoológicos e instituições afins para promover a manutenção do bem-estar dos animais. No caso de cangurus, muitos estudos se concentraram no repertório comportamental expresso por alguns grupos de vida livre, mas poucos se referem a esses animais em ambientes controlados. Este estudo objetiva aplicar técnicas de enriquecimento ambiental a um grupo de cangurus vermelhos (Osphranter rufus) no Aquário de São Paulo a fim de se avaliar seus efeitos no comportamento desses animais. As observações (amostragem instantânea) foram realizadas ao longo de 60 horas divididas igualmente em três etapas: antes (pré-enriquecimento), durante e depois (pós-enriquecimento) da aplicação de enriquecimentos ambientais, sendo considerados para a análise estatística os 10 comportamentos mais frequentes expressos em todas as etapas. Comportamentos associados à vigilância do ambiente e ao autogerenciamento diminuíram suas frequências, e aqueles relacionados à automanutenção aumentaram suas frequências após a aplicação de enriquecimentos. Os resultados mostraram que o uso de enriquecimentos induziu mudanças na expressão dos comportamentos e ofereceu diversos estímulos positivos aos indivíduos. Portanto, a rotina de enriquecimentos proposta pode ser aplicada a outros grupos de cangurus sob cuidados humanos.
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