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Use of vocalization as an indicator of pig welfare

Grant number: 07/03462-4
Support type:Scholarships in Brazil - Scientific Initiation
Effective date (Start): September 01, 2007
Effective date (End): August 31, 2008
Field of knowledge:Agronomical Sciences - Animal Husbandry
Principal researcher:Késia Oliveira da Silva Miranda
Grantee:Vinicius Leite de Campos Menegale
Home Institution: Escola Superior de Agricultura Luiz de Queiroz (ESALQ). Universidade de São Paulo (USP). Piracicaba , SP, Brazil


The environmental comfort, can express one of the reasons that keeps a good productivity and becomes an important tool to maintain the animal in welfare conditions. The environment, considered actually, is not more only thermodynamic, the interaction between environment and the gas production, dust and noises, is fundamental when the effect of these elements are extended in the animal’s performance. The present work has as objective the vocalization study of the swine’s behavior in the maternity phase and gestation as a way to interpret, register and analyze the animals’ vocalization with the purpose to monitor the indications of stress in the industrial swine production. The experiment will begin with the vocalization’s study of sow in gestation and the same with the piglets in the maternity, measuring also the temperature and the air humidity trying some relations with these climatic variables with handling and welfare.

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