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[{"key": "dc.contributor.advisor", "value": "Pirhonen , Juhani", "language": "", "element": "contributor", "qualifier": "advisor", "schema": "dc"}, {"key": "dc.contributor.advisor", "value": "Karvonen , Anssi", "language": "", "element": "contributor", "qualifier": "advisor", "schema": "dc"}, {"key": "dc.contributor.advisor", "value": "Koskela, Juha", "language": "", "element": "contributor", "qualifier": "advisor", "schema": "dc"}, {"key": "dc.contributor.author", "value": "Luoma, Essi", "language": "", "element": "contributor", "qualifier": "author", "schema": "dc"}, {"key": "dc.date.accessioned", "value": "2020-09-23T06:49:52Z", "language": null, "element": "date", "qualifier": "accessioned", "schema": "dc"}, {"key": "dc.date.available", "value": "2020-09-23T06:49:52Z", "language": null, "element": "date", "qualifier": "available", "schema": "dc"}, {"key": "dc.date.issued", "value": "2020", "language": "", "element": "date", "qualifier": "issued", "schema": "dc"}, {"key": "dc.identifier.uri", "value": "https://jyx.jyu.fi/handle/123456789/71851", "language": null, "element": "identifier", "qualifier": "uri", "schema": "dc"}, {"key": "dc.description.abstract", "value": "Kalankasvatuksessa kalojen siirrot eri kasvatustilojen v\u00e4lill\u00e4 ovat tavanomaisia \ntoimenpiteit\u00e4. Siirrett\u00e4ess\u00e4 kaloja l\u00e4mpim\u00e4st\u00e4 kiertovedest\u00e4 kylm\u00e4\u00e4n \nl\u00e4pivirtausveteen vedenlaatu voi kuitenkin muuttua kalojen kannalta \nep\u00e4suotuisaksi ja aiheuttaa niille h\u00e4iri\u00f6it\u00e4 elimist\u00f6n tasapainotilojen s\u00e4\u00e4telyss\u00e4. \nOsalla kaloista h\u00e4iri\u00f6t ilmenev\u00e4t ongelmina uintitasapainon s\u00e4\u00e4telyss\u00e4. \nUintitasapainon h\u00e4iri\u00f6ihin saattaa my\u00f6s altistaa uimarakon kehitysh\u00e4iri\u00f6t ja \nkalojen korkeampi rasvapitoisuus. T\u00e4ss\u00e4 tutkimuksessa selvitettiin voidaanko ns. \n\u201dkylkiuivien\u201d kalojen m\u00e4\u00e4r\u00e4\u00e4 v\u00e4hent\u00e4\u00e4 lis\u00e4\u00e4m\u00e4ll\u00e4 allasveteen siirron yhteydess\u00e4\nvedenlaatua vakauttavia puskurikemikaaleja. Samalla selvitettiin my\u00f6s esiintyyk\u00f6 \nkylkiuivilla kaloilla enemm\u00e4n uimarakon poikkeamia ja onko niill\u00e4 korkeampi \nrasvapitoisuus kuin normaalisti uivilla kaloilla. Kirjolohia siirrettiin l\u00e4mpim\u00e4st\u00e4\n(14 \u2103) kiertovedest\u00e4 kylm\u00e4\u00e4n (2 \u2103) l\u00e4pivirtausveteen nelj\u00e4ksi p\u00e4iv\u00e4ksi, jonka\naikana k\u00e4sittelyaltaisiin lis\u00e4ttiin puskurikemikaaleja. Puskurik\u00e4sittelyryhm\u00e4ss\u00e4 \nkylkiuivia kaloja oli 25,4% kaloista, kun kontrolliryhm\u00e4ss\u00e4 n\u00e4it\u00e4 oli 46,7% kaloista. \nKylkiuivista kaloista 56,8% oli poikkeava uimarakko, kun normaalisti uivista \nkaloista n\u00e4in oli 35,1% kaloista. Uimarakoltaan poikkeavilla kaloilla havaittiin \nolevan enemm\u00e4n rasvaa ruumiinontelossa kuin kaloilla, joilla uimarakko oli \nnormaali. Puskurikemikaalien lis\u00e4ys on tulosten perusteella toimiva keino\nv\u00e4hent\u00e4\u00e4 kylkiuivien kalojen m\u00e4\u00e4r\u00e4\u00e4 siirron yhteydess\u00e4. T\u00e4rke\u00e4 havainto on my\u00f6s \nuimarakon poikkeamien uintitasapainon h\u00e4iri\u00f6ille altistava vaikutus.", "language": "fi", "element": "description", "qualifier": "abstract", "schema": "dc"}, {"key": "dc.description.abstract", "value": "Transfers of fish are necessary procedures in recirculating aquaculture systems \n(RAS). However these transfers can lead to changes in the water quality, which \ncan potentially compromise fish health. Failure in fish\u2019s self-regulation processes\ncan manifest as buoyancy problem, like so-called \u201cside-swimming\u201d. Swimbladder\nabnormalities and high tissue fattiness may also exacerbate buoyancy issues. \nAdding buffering chemicals during transfers could potentially be beneficial for\nfish acclimation by stabilizing water quality. This study aims to find out if\nbuffering tank water could decrease number of side-swimmers after transfer. The \nother aim was to study if side-swimmers have more swimbladder abnormalities\nand if they are more fatty than normally swimming fish. The fish were trasferred \nfrom (14 \u2103) warm RAS-water to cold (2\u2103) flow-through water. In the buffered\ngroup occurrence of side-swimmers was 25,4%, while in the control group it was \n48,7%. Of these side-swimmers 56,8% had abnormal swimbladder, while \noccurrence among normally swimming fish was 35,1%. No difference in amount \nof fat was noticed between side-swimmers and normal fish. However fish with\nabnormal swimbladder had more visceral fat than fish with normal swimbladder. \nBased on these results water buffering can help fish to adapt to a new \nenvironment. Other interesting observation was also the connection of \nswimbladder abnormalities to buoyancy issues.", "language": "en", "element": "description", "qualifier": "abstract", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Submitted by Paivi Vuorio (paelvuor@jyu.fi) on 2020-09-23T06:49:52Z\nNo. of bitstreams: 0", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Made available in DSpace on 2020-09-23T06:49:52Z (GMT). No. of bitstreams: 0\n Previous issue date: 2020", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.format.extent", "value": "61", "language": "", "element": "format", "qualifier": "extent", "schema": "dc"}, {"key": "dc.format.mimetype", "value": "application/pdf", "language": null, "element": "format", "qualifier": "mimetype", "schema": "dc"}, {"key": "dc.language.iso", "value": "fin", "language": null, "element": "language", "qualifier": "iso", "schema": "dc"}, {"key": "dc.rights", "value": "In Copyright", "language": "en", "element": "rights", "qualifier": null, "schema": "dc"}, {"key": "dc.subject.other", "value": "kiertovesikasvatus", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "uimarakko", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "osmoregulaatio", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.title", "value": "pH\u2013puskuroinnin vaikutus kiertovesikasvatetun kirjolohen (Oncorhynchus mykiss) sopeutumiseen kylm\u00e4\u00e4n l\u00e4pivirtausveteen", "language": "", "element": "title", "qualifier": null, "schema": "dc"}, {"key": "dc.type", "value": "master thesis", "language": null, "element": "type", "qualifier": null, "schema": "dc"}, {"key": "dc.identifier.urn", "value": "URN:NBN:fi:jyu-202009235935", "language": "", "element": "identifier", "qualifier": "urn", "schema": "dc"}, {"key": "dc.type.ontasot", "value": "Pro gradu -tutkielma", "language": "fi", "element": "type", "qualifier": "ontasot", "schema": "dc"}, {"key": "dc.type.ontasot", "value": "Master\u2019s thesis", "language": "en", "element": "type", "qualifier": "ontasot", "schema": "dc"}, {"key": "dc.contributor.faculty", "value": "Matemaattis-luonnontieteellinen tiedekunta", "language": "fi", "element": "contributor", "qualifier": "faculty", "schema": "dc"}, {"key": "dc.contributor.faculty", "value": "Faculty of Sciences", "language": "en", "element": "contributor", "qualifier": "faculty", "schema": "dc"}, {"key": "dc.contributor.department", "value": "Bio- ja ymp\u00e4rist\u00f6tieteiden laitos", "language": "fi", "element": "contributor", "qualifier": "department", "schema": "dc"}, {"key": "dc.contributor.department", "value": "Department of Biological and Environmental Science", "language": "en", "element": "contributor", "qualifier": "department", "schema": "dc"}, {"key": "dc.contributor.organization", "value": "Jyv\u00e4skyl\u00e4n yliopisto", "language": "fi", "element": "contributor", "qualifier": "organization", "schema": "dc"}, {"key": "dc.contributor.organization", "value": "University of Jyv\u00e4skyl\u00e4", "language": "en", "element": "contributor", "qualifier": "organization", "schema": "dc"}, {"key": "dc.subject.discipline", "value": "Akvaattiset tieteet", "language": "fi", "element": "subject", "qualifier": "discipline", "schema": "dc"}, {"key": "dc.subject.discipline", "value": "Aquatic sciences", "language": "en", "element": "subject", "qualifier": "discipline", "schema": "dc"}, {"key": "yvv.contractresearch.collaborator", "value": "public", "language": "", "element": "contractresearch", "qualifier": "collaborator", "schema": "yvv"}, {"key": "yvv.contractresearch.funding", "value": "0", "language": "", "element": "contractresearch", "qualifier": "funding", "schema": "yvv"}, {"key": "dc.type.coar", "value": "http://purl.org/coar/resource_type/c_bdcc", "language": null, "element": "type", "qualifier": "coar", "schema": "dc"}, {"key": "dc.rights.accesslevel", "value": "openAccess", "language": null, "element": "rights", "qualifier": "accesslevel", "schema": "dc"}, {"key": "dc.type.publication", "value": "masterThesis", "language": null, "element": "type", "qualifier": "publication", "schema": "dc"}, {"key": "dc.subject.oppiainekoodi", "value": "4012", "language": "", "element": "subject", "qualifier": "oppiainekoodi", "schema": "dc"}, {"key": "dc.subject.yso", "value": "stressi", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "vedenlaatu", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "kalanviljely", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "kirjolohi", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "pH", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.format.content", "value": "fulltext", "language": null, "element": "format", "qualifier": "content", "schema": "dc"}, {"key": "dc.rights.url", "value": "https://rightsstatements.org/page/InC/1.0/", "language": null, "element": "rights", "qualifier": "url", "schema": "dc"}, {"key": "dc.type.okm", "value": "G2", "language": null, 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