Assessing animal welfare during a stranding of pygmy killer whales (Feresa attenuata)

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dc.citation.issue4
dc.citation.volume39
dc.contributor.authorBoys RM
dc.contributor.authorBeausoleil NJ
dc.contributor.authorHunter S
dc.contributor.authorBetty EL
dc.contributor.authorHinton B
dc.contributor.authorStockin KA
dc.date.accessioned2024-07-30T01:20:02Z
dc.date.available2024-07-30T01:20:02Z
dc.date.issued2023-10-01
dc.description.abstractEmpirical assessment of cetacean welfare to inform stranding interventions is lacking. Here, potential welfare indicators are described for two stranded pygmy killer whales (Feresa attenuata), along with euthanasia procedures and pathology of potential relevance. The animals were filmed for 3.5 and 1.5 hr, respectively, allowing assessment of 19 indicators, including animal behaviors and human interventions. Eight interventions and 19 animal behaviors were identified; 17 and 11 behaviors were displayed by animal 1 and 2, respectively. Examination of ballistics euthanasia revealed atypical projectile placement and characterized animal behavioral responses, but welfare implications could not be assessed as insensibility was not verified in-field. Pulmonary edema and renal degeneration were documented in both animals; differential etiologies include ischemia–reperfusion, shock, and/or myopathy. Potential relationships among histopathology and welfare indicators are explored to infer affective experiences. For example, simultaneous head-lifting with respiration increased over time which, alongside pulmonary edema, suggests these animals experienced breathlessness. Other likely affective states include fatigue and discomfort; there are insufficient data to estimate the intensity or duration of these experiences or to provide an overall welfare grade/score. Further data are required to validate the proposed welfare indicators and to progress development of holistic approaches to welfare assessment at cetacean strandings.
dc.description.confidentialfalse
dc.edition.editionOctober 2023
dc.format.pagination1076-1105
dc.identifier.citationBoys RM, Beausoleil NJ, Hunter S, Betty EL, Hinton B, Stockin KA. (2023). Assessing animal welfare during a stranding of pygmy killer whales (Feresa attenuata). Marine Mammal Science. 39. 4. (pp. 1076-1105).
dc.identifier.doi10.1111/mms.13029
dc.identifier.eissn1748-7692
dc.identifier.elements-typejournal-article
dc.identifier.issn0824-0469
dc.identifier.urihttps://mro.massey.ac.nz/handle/10179/71143
dc.languageEnglish
dc.publisherJohn Wiley and Sons, Inc.
dc.publisher.urihttps://onlinelibrary.wiley.com/doi/10.1111/mms.13029
dc.relation.isPartOfMarine Mammal Science
dc.rights(c) 2023 The Author/s
dc.rightsCC BY 4.0
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.subjectanimal welfare science
dc.subjectballistics
dc.subjectbehavior
dc.subjectcetacean
dc.subjecteuthanasia
dc.subjectmarine mammal
dc.subjectodontocete
dc.subjectpathology
dc.subjectstranded
dc.subjectwelfare assessment
dc.titleAssessing animal welfare during a stranding of pygmy killer whales (Feresa attenuata)
dc.typeJournal article
pubs.elements-id462329
pubs.organisational-groupOther
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