Comparisons between fresh- and seawater critical thermal maximum (CTmax), and seawater CTmax and incremental thermal maximum (ITmax), for individual farmed Atlantic salmon (Salmo salar)

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dc.contributor.advisorBenfey, Tillmann
dc.contributor.advisorGarber, Amber
dc.contributor.authorBartlett, Charlotte Anne Brown
dc.date.accessioned2024-04-17T18:10:38Z
dc.date.available2024-04-17T18:10:38Z
dc.date.issued2023-12
dc.description.abstractAtlantic salmon is an important aquaculture species farmed in ocean net-pens experiencing changing environmental temperatures, creating a need for research on their thermal tolerance. I investigated this by assessing the predictability of an individual’s seawater critical thermal maximum (CTmax) from previous freshwater CTmax (Chapter 2), and of seawater incremental thermal maximum (ITmax) from previous seawater CTmax (Chapter 3), using tagged Atlantic salmon. I measured various physiological metrics (body mass, fork length, condition factor, blood hemoglobin, hematocrit, and absolute and relative ventricle mass) to determine their relationship with thermal tolerance. I found no relationship between an individual’s initial and second thermal tolerance test in either experiment. Although there were significant relationships between some of the health metrics and thermal tolerance, mixed results from my study and the literature suggest that more research is required. Considering the scarcity of ITmax testing in the fish physiology field, further ITmax exploration should be completed.
dc.description.copyright© Charlotte Bartlett, 2023
dc.format.extentxv, 110
dc.format.mediumelectronic
dc.identifier.oclc(OCoLC)1439827587en
dc.identifier.otherThesis 11332en
dc.identifier.urihttps://unbscholar.lib.unb.ca/handle/1882/37780
dc.language.isoen
dc.publisherUniversity of New Brunswick
dc.relationAtlantic Canada Opportunities Agency (ACOA) Atlantic Innovation Fund
dc.relationNew Brunswick Innovation Foundation (NBIF) Research Innovation Fund
dc.relationNorthern Harvest Sea Farms Ltd./Mowi Canada East
dc.rightshttp://purl.org/coar/access_right/c_abf2
dc.subjectFORESTRY, AGRICULTURAL SCIENCES and LANDSCAPE PLANNING::Animal production::Aquaculture
dc.subject.disciplineBiology
dc.subject.lcshAtlantic salmon.en
dc.subject.lcshAquaculture.en
dc.subject.lcshThermal tolerance (Physiology)en
dc.titleComparisons between fresh- and seawater critical thermal maximum (CTmax), and seawater CTmax and incremental thermal maximum (ITmax), for individual farmed Atlantic salmon (Salmo salar)
dc.typemaster thesis
oaire.license.conditionother
thesis.degree.disciplineBiology
thesis.degree.grantorUniversity of New Brunswick
thesis.degree.levelmasters
thesis.degree.nameM.Sc.

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