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Energy expenditure in vocalizations of pigs under stress REA
Cordeiro,Alexandra F. da S.; Naas,Irenilza A.; Medeiros,Brenda B.; Maia,Ana Paula de A.; Pereira,Erica M..
Modern swine production faces many challenges nowadays, among which are productivity growth, meat quality improvement, decrease of environmental damage and reduction of cost production. Pigs spend energy to vocalizing, especially when they undergo stress. The waste of energy can increase the cost of production and lead to greater environmental damage. The goal of this study was to estimate the energy spent by pigs under the stress of castration and its effect on the animals' weight gain. Two groups of ten animals each were castrated, being one group with local anesthetic and the other without anesthetic. The piglets' vocalizations were recorded during different stages of the neutering process and then estimated of the amount of energy emitted during each...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Animal well-being; Signal analysis; Swine production.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-69162013000500001
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