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Meal size and specific dynamic action in the rattlesnake Crotalus durissus (Serpentes : Viperidae)

dc.contributor.authorAndrade, D. V.
dc.contributor.authorCruz-Neto, A. P.
dc.contributor.authorAbe, Augusto Shinya [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-02-26T17:11:29Z
dc.date.accessioned2014-05-20T13:59:07Z
dc.date.available2014-02-26T17:11:29Z
dc.date.available2014-05-20T13:59:07Z
dc.date.issued1997-12-01
dc.description.abstractWe studied the effect of meal size on specific dynamic action (SDA) in the South American rattlesnake Crotalus durissus, by measuring oxygen consumption rates (VO2) prior to and after the ingestion of meals ranging from 10-50% of snake's body mass. Regardless of meal size, variation in VO2 with time during digestion demonstrated the same general pattern. Oxygen consumption rates peaked between 15 and 33 h post-feeding, at values 3.7-7.3 times those prior to feeding. Snakes, while digesting meals of 30% and 50% of their body mass, experienced VO2 that exceeded rates measured during forced activity. Following peaks in VO2, rates returned to prefeeding values within 62-170 h post-feeding. Post-prandial peak in VO2 and the duration of the metabolic response to feeding increased with meal size. Digestion is an energetically demanding activity for C. durissus, with an estimated cost equaling 12-18% of the ingested assimilated energy.en
dc.description.affiliationUniv Estadual Paulista, Dept Zool, BR-13506900 Rio Claro, SP, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, Dept Zool, BR-13506900 Rio Claro, SP, Brazil
dc.format.extent485-493
dc.identifierhttp://www.jstor.org/stable/3893262
dc.identifier.citationHerpetologica. Johnson City: Herpetologists League, v. 53, n. 4, p. 485-493, 1997.
dc.identifier.fileWOS000071288100009.pdf
dc.identifier.issn0018-0831
dc.identifier.lattes8776757457144680
dc.identifier.urihttp://hdl.handle.net/11449/21011
dc.identifier.wosWOS:000071288100009
dc.language.isoeng
dc.publisherHerpetologists League
dc.relation.ispartofHerpetologica
dc.relation.ispartofjcr1.013
dc.relation.ispartofsjr0,518
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.subjectSDApt
dc.subjectoxygen uptakept
dc.subjectdigestionpt
dc.subjectenergeticspt
dc.subjectmetabolismpt
dc.subjectfeedingpt
dc.titleMeal size and specific dynamic action in the rattlesnake Crotalus durissus (Serpentes : Viperidae)en
dc.typeArtigo
dcterms.licensehttp://www.herpetologistsleague.org/dox/author_instructions.pdf
dcterms.rightsHolderHerpetologists League
unesp.author.lattes8776757457144680[3]
unesp.author.lattes5758081094133626[2]
unesp.author.orcid0000-0001-5270-7276[2]
unesp.author.orcid0000-0002-6765-8726[3]
unesp.campusUniversidade Estadual Paulista (Unesp), Instituto de Biociências, Rio Claropt
unesp.departmentZoologia - IBpt

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