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Master's Dissertation
DOI
https://doi.org/10.11606/D.47.2006.tde-21122006-120323
Document
Author
Full name
Olívia de Mendonça-Furtado
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 2006
Supervisor
Committee
Ottoni, Eduardo Benedicto (President)
Bussab, Vera Silvia Raad
Guimarães, Marcelo Alcindo de Barros Vaz
Title in Portuguese
Uso de ferramentas como enriquecimento ambiental para macacos-prego (Cebus apella) cativos
Keywords in Portuguese
enriquecimento ambiental
macacos-prego
saúde
utilização de ferramentas
Abstract in Portuguese
Manter animais em cativeiro implica no dever ético de lhes proporcionar saúde física e psicológica. Procedimentos conhecidos como Enriquecimento Ambiental buscam elevar o bem-estar de animais cativos. Neste trabalho, três artefatos foram testados para avaliar sua eficácia como enriquecimento ambiental para macacos-prego (Cebus apella). Dois destes artefatos (Brinquedo e Caixa de forrageamento) já haviam sido testados anteriormente por Boinski et al. (1999). O terceiro artefato (Ferramenta) foi testado pela primeira vez e buscava proporcionar aos animais a possibilidade de executar um comportamento típico da espécie: a quebra de cocos. Usamos medidas comportamentais e de corticosterona fecal para medir os efeitos dos artefatos. Foram encontradas algumas diferenças significativas entre as condições experimentais (controles e com artefatos), e entre a freqüência de interação com os artefatos, porém os resultados não nos possibilitam afirmar se algum dos artefatos seria um enriquecimento ambiental eficaz para macacos-prego cativos. Acreditamos que experimentos ainda devem ser feitos para elucidar os efeito de fatores como: o ambiente externo ao recinto, os procedimentos de manutenção direcionados aos animais e a metodologia de aplicação dos artefatos, sobre o bem-estar de animais cativos.
Title in English
Tool use as environmental enrichment for captives capuchin monkeys (Cebus apella)
Keywords in English
capuchin monkeys
environmental enrichment
health
tool use
Abstract in English
Keeping animals in captivity implies in an ethical duty of offering conditions that foster their physical and psychological health. Procedures known as Environmental Enrichment seek to enhance animals’ life quality. Here we tested three stimuli efficiency as environmental enrichment for captive capuchin monkeys (Cebus apella). Two which had been previously tested (Toy and Box) by Boinski et al. (1999). The third one (Tool) was tested for the first time and aimed giving the animals the opportunity to perform a species-typical behavior: cracking open nuts. The stimuli had their effects measured by behavioral and fecal corticosterone sampling. Some statistical significant differences were found between experimental conditions (control and stimuli) and between the frequencies of interaction with the stimuli. The data, however, did not point to any of the tested stimuli as effective environmental enrichment for capuchin monkeys. We believe, therefore, that more research should be conducted in order to clarify the effects of factors such as the environment outside the cages, the maintenance procedures, and the stimulus presentation procedures, on the well-being of captive animals.
 
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dissertacao.pdf (988.32 Kbytes)
Publishing Date
2007-02-22
 
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