Relevant bibliographies by topics / Salmon trout

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Salmon trout'

Author: Grafiati
Published: 4 June 2021
Last updated: 18 February 2022

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Journal articles on the topic "Salmon trout"

1

Álvarez, David, and Eva Garcia-Vazquez. "Maintenance of asymmetric hybridization between Atlantic salmon (Salmo salar) and brown trout (Salmo trutta) via postzygotic barriers and paternal effects." Canadian Journal of Fisheries and Aquatic Sciences 68, no. 4 (April 2011): 593–602. http://dx.doi.org/10.1139/f2011-004.

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At the southern European edge of Atlantic salmon ( Salmo salar ) distribution, all the hybrids found in nature are the product of crosses between female salmon and male brown trout ( Salmo trutta ). By artificially producing reciprocal crosses between salmon and trout, we demonstrate that unidirectional hybridization observed in nature is the result of postzygotic barriers that produce very high mortality rates (95%) in female trout × male salmon hybrids and not the consequence of prezygotic isolation or behavioural differences between the two species. Mortality of female trout × male salmon hybrids mainly occurs during the last phases of development, and a high percentage of these surviving hybrids showed external deformities that could compromise survival in the wild. Another important finding is the existence of paternal factor in embryo development. Using time to midhatch as an indicator of developmental rate, female salmon × male trout hybrids hatched faster than female trout × male salmon hybrids, with both developing at a rate intermediate to the pure crosses. The early emergence of female salmon × male trout hybrids, which have similar survival to pure salmons, could have fitness repercussions, since early emerging fry have a competitive advantage over later emerging fry.
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Bui, Samantha, Elina Halttunen, Agnes M. Mohn, Tone Vågseth, and Frode Oppedal. "Salmon lice evasion, susceptibility, retention, and development differ amongst host salmonid species." ICES Journal of Marine Science 75, no. 3 (December 12, 2017): 1071–79. http://dx.doi.org/10.1093/icesjms/fsx222.

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Abstract With different ecological characteristics amongst salmonid species, their response to parasitic infestation is likely to vary according to their spatial and temporal overlap with the parasite. This study investigated the host–parasite interactions amongst three species of salmonids and the ectoparasitic salmon louse, Lepeophtheirus salmonis. To determine any variation in infestation parameters amongst salmonids, single population groups of Atlantic salmon (Salmo salar), chinook salmon (Onchorhynchus tshawytscha), and previously-infested and naïve sea trout (Salmo trutta) were exposed to a controlled infestation challenge. We found that chinook salmon and both sea trout groups were more susceptible to acquiring lice than Atlantic salmon. Behavioural responses during infestation were more pronounced in Atlantic and chinook salmon. Parasite development was similar in lice attached to Atlantic salmon and sea trout, but hindered on chinook salmon. At 16 days post-infestation, chinook salmon had reduced lice loads to the same level as Atlantic salmon, whilst sea trout retained their lice. These results demonstrate differences in interactions with L. salmonis amongst these species, and highlight the vulnerability of sea trout to infestation.
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Glover, K. A., Ø. Skaala, F. Nilsen, R. Olsen, A. J. Teale, and J. B. Taggart. "Differing susceptibility of anadromous brown trout (Salmo trutta L.) populations to salmon louse (Lepeophtheirus salmonis (Krøyer, 1837)) infection." ICES Journal of Marine Science 60, no. 5 (January 1, 2003): 1139–48. http://dx.doi.org/10.1016/s1054-3139(03)00088-2.

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Abstract Three Norwegian sea trout (Salmo trutta L.) stocks and a farmed Atlantic salmon (Salmo salar L.) stock were challenged with salmon lice (Lepeophtheirus salmonis (Krøyer, 1837)), in a “common garden” experiment. Sea trout from the River Guddal exhibited a significantly lower level of infection, as measured by louse abundance and louse density, than other stocks. In addition, salmon lice developed significantly more slowly on the Guddal stock than on the other stocks. Salmon louse abundance and density were similar for the Rivers Fortun and Sima stocks of sea trout, and abundance of lice, though not density, was highest for farmed Atlantic salmon. Within stocks, there were no differences in infection levels of salmon louse between mature and immature fish, between sexes, or between anal-fin-clipped and non-clipped salmon. Differences in infection level among the sea trout stocks may, it is suggested, reflect genetic differences.
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Vaz-Velho, M., G. Duarte, and P. Gibbs. "Note. Occurrence of Listeria spp. in salmon-trout (Onchorhyncus mykiss) and salmon (Salmo salar) / Nota. Presencia de Listeria spp. en trucha asalmonada (Onchorhyncus mykiss) y salmón (Salmo salar)." Food Science and Technology International 4, no. 2 (April 1998): 121–25. http://dx.doi.org/10.1177/108201329800400207.

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Salmon-trout ( Onchorhyncus mykiss) and salmon ( Salmo salar) are the main raw materials in the cold-smoked fish industry. It is important to prevent the contamination of these ready-to-eat products with Listeria monocytogenes and other ( Listeria spp.) because the temperature used in the cold-smoking process is not sufficient to inactivate these organisms. The presence of Listeria spp. and L. monocytogenes in the cold-smoked salmon and salmon-trout processing chains of three Portuguese factories examined was already confirmed in previous studies. Thus, it was important to ascertain the possible sources of contamination, the raw material being the most important one. All the Portuguese cold-smoking fish factories use fresh salmon-trout from two trout farms in the north of Portugal and Norwegian salmon which arrives by lorry every week under refrigeration, imported always by the same company; 88 samples of salmon and salmon-trout were analysed; 67 environmental samples from the two trout farms were also examined. The overall frequency ( n = 40) of Listeria spp. and L. monocytogenes in salmon was 12 and 0% respectively. The overall frequency (n = 48) of Listeria spp. and L. monocytogenes in salmon-trout was 6.3 and 2.1% respec tively. Listeria was not found in the environmental samples.
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Gerig, Brandon S., David N. Weber, Dominic T. Chaloner, Lillian M. McGill, and Gary A. Lamberti. "Interactive effects of introduced Pacific salmon and brown trout on native brook trout: an experimental and modeling approach." Canadian Journal of Fisheries and Aquatic Sciences 75, no. 4 (April 2018): 538–48. http://dx.doi.org/10.1139/cjfas-2016-0502.

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Pacific salmon (Oncoryhnchus spp.) and brown trout (Salmo trutta) are introduced species stocked in the Laurentian Great Lakes. In their native range, salmon deliver material that enhances growth, alters isotopic ratios, and increases contaminant burdens of resident fish. However, whether salmon subsidies mediate interactions between competing species is unknown. Here, we employed a mesocosm experiment and a simulation model to determine if salmon tissue consumption influences brook trout (Salvelinus fontinalis) growth, isotopic ratios, and mercury concentrations and whether these were modified by brown trout. Our results indicate that brook trout growth did not increase with provision of salmon tissue and was not reduced by brown trout. However, brook trout exhibited isotopic enrichment and increased mercury concentrations, suggesting dietary intake of salmon tissue. Because salmon eggs have a higher energy density and lower mercury concentration compared with salmon tissue, our simulation model suggests that consumption of salmon eggs rather than tissue can increase growth while reducing mercury accumulation. Overall, our results suggest that the role of introduced Pacific salmon is dependent on both food quantity and quality along with diet contaminant concentrations.
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Vollset, Knut Wiik, Elina Halttunen, Bengt Finstad, Ørjan Karlsen, Pål Arne Bjørn, and Ian Dohoo. "Salmon lice infestations on sea trout predicts infestations on migrating salmon post-smolts." ICES Journal of Marine Science 74, no. 9 (June 1, 2017): 2354–63. http://dx.doi.org/10.1093/icesjms/fsx090.

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Abstract Impacts of sea lice (Lepeophtheirus salmonis or Caligus spp.) on wild salmonids is currently one of the most important issues facing management of fish farms in salmon producing countries in the northern hemisphere. Surveillance of sea lice on wild Atlantic salmon (Salmo salar) is often hampered by the ability to catch enough migrating post-smolts. Therefore, sea lice abundance on anadromous trout (Salmo trutta) is often used to infer sea lice abundance on migrating salmon post-smolt. However, the assumption that there is a relationship between the abundance of lice on salmon and trout has never been tested. Here we use a dataset of sea lice on salmon post-smolt and sea trout that have been caught simultaneously in trawl hauls, to evaluate the correlation in abundance of sea lice between the two species using various statistical models. We demonstrate that trout generally has higher abundances of sea lice than salmon. Average lice per gram fish on sea trout (log transformed) predicted the abundance of lice on salmon best. Negative binomial models of lice counts were preferable to using trout lice counts as direct estimates of salmon lice abundance, and they had better predictive ability than logit models of high (vs. low) lice counts. Including the size of the salmon increased the predictive ability of the model, but these data are not generally available. The effect of salmon weight may have been a direct effect of body size, or an indirect effect of time spent in marine waters. Finally, we predict lower salmon lice counts on migrating salmon with our selected binomial model than with the current method of using trout lice counts as a direct estimator on salmon lice counts, and demonstrate that management advice would change considerably depending on the chosen method.
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Hearn, William E., and Boyd E. Kynard. "Habitat Utilization and Behavioral Interaction of Juvenile Atlantic Salmon (Salmo salar) and Rainbow Trout (S. gairdneri) in Tributaries of the White River of Vermont." Canadian Journal of Fisheries and Aquatic Sciences 43, no. 10 (October 1, 1986): 1988–98. http://dx.doi.org/10.1139/f86-244.

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Competition for space between stocked juvenile Atlantic salmon, Salmo salar, and wild juvenile rainbow trout, S. gairdneri, was examined in stream channel experiments, a field experiment, and in field habitat surveys. In stream channels providing riffle and pool habitats, species differed in their distribution both as underyearlings (0+) and as yearlings (1+). Yearling salmon occurred more often in stream channel riffles during trials with 1+ rainbow trout than during trials testing only salmon; trout distributions in the channels were unaffected by salmon. In a field experiment conducted to determine if the stocking of 0+ Atlantic salmon causes the displacement of resident 0+ rainbow trout, salmon fry were stocked at a density of 85 per 100 m2. Emigration from the stocked zone and an unstocked control zone were then monitored daily with four weirs. The 0+ salmon had no apparent effect on the rate of movement of resident rainbow trout fry. During summer and fall field surveys, 0+ salmon occupied deeper and swifter water than 0+ rainbow trout; as yearlings these species occupied similar habitats. In late fall, segregation by habitat occurred: Atlantic salmon were primarily in riffles; rainbow trout were primarily in pools. We found no evidence of competition between cohorts of underyearlings; however, the niche shift by 1+ salmon in the stream channels suggested that, at times, juveniles of these species will compete for space.
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Hermann, Nathan T., Dominic T. Chaloner, Brandon S. Gerig, and Gary A. Lamberti. "Ecological consequences of Great Lakes salmon subsidies for stream-resident brook and brown trout." Canadian Journal of Fisheries and Aquatic Sciences 77, no. 11 (November 2020): 1758–71. http://dx.doi.org/10.1139/cjfas-2020-0086.

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Introduced Pacific salmon (Oncorhynchus spp.) deliver novel, pulsed resource subsidies to Great Lakes streams. We explored interactions between native brook trout (Salvelinus fontinalis) and non-native brown trout (Salmo trutta) in the context of this resource pulse. Diets surveyed before and during salmon spawning showed that, regardless of species, trout consumed 4.5-fold more biomass during than before salmon runs. Brook trout grew more quickly than brown trout under controlled feeding regimes due, in part, to their higher food conversion efficiency of 36% compared with 21%. Bioenergetics model simulations explored the influence of temperature on the exploitation of resource pulses and found 35% lower growth rates and increased gorging at colder temperatures. Overall, we found evidence that brook trout and brown trout foraging and growth are modulated by the salmon resource pulse, especially through gorging on eggs. However, these species exhibit distinct physiological adaptations and environmental preferences that may influence their ultimate capacity to exploit resource pulses. The effects of environmental conditions and salmon subsidies on stream-resident trout have broader consequences for fisheries management and conservation efforts.
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Abuín, M., P. Martínez, L. Sánchez, C. Clabby, F. Flavin, N. P. Wilkins, J. A. Houghton, R. Powell, and U. Goswami. "A NOR-associated repetitive element present in the genome of two Salmo species (salmo salar and Salmo trutta)." Genome 39, no. 4 (August 1, 1996): 671–79. http://dx.doi.org/10.1139/g96-085.

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A repetitive element was isolated from the genome of Atlantic salmon. Nucleotide sequence analysis revealed the existence of variant monomers that range in length from approximately 200 to 230 bp. Repeat monomers contain regions of cryptic simplicity, internal repetition, and long direct repeats with deletions and insertions between individual units. The repetitive element was shown to have a tandem unit arrangement and was estimated to occupy between two and three percent of the Atlantic salmon genome. Southern blot analysis revealed the repetitive element to be unique to Atlantic salmon and brown trout species. In situ hybridization analysis showed this element to be localized at the main nucleolar organizer region bearing chromosomes of Atlantic salmon (Salmo salar), AS cell line (derived from S. salar), and brown trout (Salmo trutta). Key words : Atlantic salmon, brown trout, AS cell line, repeat DNA, NOR.
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Salán, Eduardo Oliveira, Juliana Antunes Galvão, and Marília Oetterer. "Use of smoking to add value to the salmoned trout." Brazilian Archives of Biology and Technology 49, no. 1 (January 2006): 57–62. http://dx.doi.org/10.1590/s1516-89132006000100007.

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The objective of this study was to make a comparison between the characteristics of salmoned trout (Salmo truta) and salmon (Salmo salar) in terms of coloration (CIE L*a*b*), proximate composition, pH and sensory attributes of fresh and smoked fillets in order to obtain a possible alternative for the substitution of imported salmon for Brazilian salmoned trout as a commercial equivalent for retail sales. Results showed that no statistical difference was found for most of the sensory attributes analyzed and for pH. Although the coloration of the fillets presented a statistical difference, the trout presented a more intense coloration than the salmon, proving to be, therefore, convenient to agroindustry.
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Dissertations / Theses on the topic "Salmon trout"

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McGowan, Colin. "Genetic mapping in Atlantic salmon, Salmo salar, and brown trout, Salmo trutta." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp05/nq23108.pdf.

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Diamond, Sian. "Mechanisms and consequences of hybridisation between Atlantic salmon (Salmo salar) and brown trout (Salmo trutta)." Thesis, University of East Anglia, 2012. https://ueaeprints.uea.ac.uk/42390/.

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Relatively little research has been done to investigate the way postcopulatory, prezygotic mechanisms act to isolate species at the level of the gamete. This thesis uses the naturallyhybridising, externally-fertilising system of Atlantic salmon, Salmo salar, and brown trout, S. trutta, to investigate mechanisms of hybridisation through sperm-egg interactions, much of which is poorly understood. Salmon and trout experience conspecific sperm precedence during in vitro sperm competition experiments, when sperm volumes and release times are equalised. This thesis firstly aimed to explore the dynamics of gametic interactions underlying this reproductive isolation. Manipulating the sperm entry time in interspecific sperm competitions significantly influenced the observed conspecific sperm precedence. A 2 second delay to the entry of conspecific sperm did not give hybridising males first-male sperm precedence, but neither did they gain precedence with paternity being shared between males; suggesting a mechanism of selection for conspecific sperm. Selection mechanisms were investigated through in vitro sperm competitions where egg ovarian fluid type was manipulated. Results showed that conspecific ovarian fluid allowed conspecific sperm significantly higher fertilisation success when competing against heterospecific sperm, regardless of which species eggs were under competition. This is the first evidence for cryptic female choice via a reproductive fluid in an external fertiliser. The second objective of my thesis was to investigate the potential consequences of salmon-trout hybridisation for wild populations. This was achieved through comparing the early life and reproductive fitness of hybrids and pure species. Both reciprocal hybrid crosses had comparable early life fitness to pure species. Importantly however, neither reciprocal cross exceeded pure juveniles for any fitness measures. This suggests the replacement of parental species by hybrids is unlikely. Both hybrid crosses were capable of producing viable sperm and able to fertilise over 50% of both salmon and trout eggs. Neither cross gained paternity success when competing for trout eggs with conspecific males, while very low paternity was gained under sperm competition with Atlantic salmon for salmon eggs. The main threat posed by hybridisation to vulnerable salmon populations appears to come from wasted reproductive effort, through the production of reproductively unfit hybrids. The implications of this are discussed.
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Lund, Bjørnås Kristine. "Modeling Atlantic salmon (Salmo salar) and brown trout (Salmo trutta) responses to river habitat alteration." Licentiate thesis, Karlstads universitet, Institutionen för miljö- och livsvetenskaper (from 2013), 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-76559.

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Half the world’s river volume is affected by flow alterations and/or fragmentation, a figure that is likely to increase with the current global surge in hydropower development. At the same time, freshwater biodiversity is in rapid decline. In fluvial ecosystems, streamflow is a master variable, shaping riverine species’ habitat over space and time. Atlantic salmon (Salmo salar) and brown trout (S. trutta) are examples of species that need fluvial habitats for reproduction and juvenile rearing, and whose flow needs can come in conflict with hydropower production objectives. This necessitates tools for predicting the effect of fluvial habitat alteration on fish production. In this thesis, I applied the individual-based model inSTREAM to simulate salmon and trout in the Gullspång Rapids, a residual flow stretch of the Gullspång River, Sweden, over a ten-year period. InSTREAM uses sub-daily time steps to simulate individual fish interacting with their biotic and physical environment, and tracks the fitness consequences of their main actions: habitat and activity selection. For inSTREAM input, I had to describe key habitat features, create a 2D hydraulic model of the rapids, model river temperature, and gather data on salmon and trout eco-physiology and life history characteristics in the Gullspång River. I ran simulation experiments varying either flow input, the number of spawners, spawning gravel, shelter and boulder availability, or temperature. Flow alterations had limited benefit. Only the scenario where the current minimum flow was set three times higher yielded increased production, and only for trout. Trout dominated salmon in competition, and production was density dependent. The model predicted that the only way to increase production of both species at current spawner numbers was to add instream structures offering more energetically profitable feeding positions.
Half the world’s river volume is affected by flow alterations and/or fragmentation –a figure that is likely to increase with the current global surge in hydropower development. Streamflow shapes the river habitat for species like Atlantic salmon (Salmo salar) and brown trout (S. trutta) –species that need rivers for reproduction and for juvenile rearing. In this thesis, I applied the individual-based model inSTREAM to simulate how salmon and trout interact with the physical and living environment in the Gullspång Rapids, a residual flow stretch in the Gullspång River, Sweden. InSTREAM follows individuals through spawning, egg development, and juvenile rearing until out-migration. I ran simulation experiments over ten years, varying either flow input, the number of spawners, spawning gravel, shelter availability, or temperature. Flow alterations had limited benefit; only in the scenario where the current minimum flow was tripled did production increase, and only for trout. Trout dominated salmon in competition for food and space, and production was density dependent. The model predicted that the only way to increase production of both species at current spawner numbers was to add instream structures offering more energetically profitable feeding positions.

Article 2 part of thesis as manuscript, now published.

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Lakehal, Ferhat. "Albumin-like proteins of the Atlantic salmon, Salmo salar, and rainbow trout, Oncorhynchus mykiss." Thesis, University of Salford, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.244842.

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McKay, Sheldon John. "Evolutionary genetic analysis of Pacific salmon and trout, Oncorhynchus." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/nq24331.pdf.

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Harwood, Andrew Jeffrey. "Intra- and inter-specific competition among juvenile atlantic salmon (Salmo salar L.) and brown trout (Salmo trutta L.)." Thesis, University of Glasgow, 2001. http://theses.gla.ac.uk/4395/.

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The main aim of this thesis was to study intra- and inter-specific competition among juvenile Atlantic salmon and brown trout. The study concentrated on two critical times for survival: first, the period from shortly after emergence until later in the summer when individuals first establish territories; and second, during the winter, when many salmonid populations experience a bottleneck. In addition, the stability of social hierarchies and the influence these have on growth and survival were studied on older individuals in the summer. Experiments were carried out in a variety of conditions ranging from small arenas and artificial stream channels where behavioural interactions among fish could be observed, to the wild where it was possible to test inferences derived from laboratory observations in an ecological context. Both salmon and trout are known to undergo a behavioural shift in winter, switching from being primarily diurnal during the summer to being predominantly nocturnal in winter. Atlantic salmon and brown trout forage in slow-flowing water at night and shelter in interstitial spaces in the substrate during the day. This thesis shows that salmon and trout compete for both foraging (chapter 2) and sheltering (chapter 3) habitat in winter, illustrating that competition between the two species is not restricted to the summer months. Trout were shown to dominate salmon in competition for foraging habitat, forcing them to move into shallower water or become more diurnal (chapter 2). Intra- and inter-specific competition for shelters was equal in intensity and more dependent on arrival time (prior residency) than species identity (chapter 3). This competition could have short- and long-term survival consequences for over-wintering fish, particularly Atlantic salmon, and have implications for the carrying capacity of streams.
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Zhang, Jinyi. "Fish cathelicidins : novel antimicrobial peptides identified in rainbow trout Oncorhynchus mykiss and Atlantic salmon Salmo salar." Thesis, University of Aberdeen, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.430907.

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This thesis reports a novel antimicrobial peptide gene, termed rtCATH_1, found in rainbow trout Oncorhynchus mykiss.  The predicted 216-residue rtCATH_1 prepropeptide consists of three domains: a 22-residue signal peptide, a 128-residue cathelin-like region containing two identifiable cathelicidin family signatures, and a predicted 66-residue C-terminal cationic antimicrobial peptide.  This predicted mature peptide was unique in possessing features of different known (mammalian) cathelicidin subgroups such as the cysteine bridged family and the specific amino-acid rich family.  A 36-residue peptide corresponding to the core part of rtCATH_1 was chemically synthesised and shown to exhibit potent antimicrobial activity.  Thus rtCATH_1 represents the first teleost cathelicidin. Further to the finding of rtCATH_1 gene, three more cathelicidin genes were found in salmonids; two in Atlantic salmon, named asCATH_1 and asCATH_2, and one in rainbow trout named rtCATH_2.  All the four new salmonid cathelicidin genes share the common characteristics of mammalian cathelicidin genes, such as consisting of four exons, and possessing a highly conserved pre-proregion and four invariant cysteines clustered in the C-terminal region of the cathelin-like domain.  Two 36-residue peptides corresponding to the core part of rtCATH_1 and rtCATH_2 were chemically synthesised and shown to exhibit potent antimicrobial activity.  The differential expression between rtCATH_1 and rtCATH_2 were studied.  rtCATH_2 was expressed constitutively in gill, head kidney, intestine, skin and spleen whilst the expression of rtCATH_1 was inducible in gill, head kidney and spleen after bacterial challenge.
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Rivinoja, Peter. "Migration problems of Atlantic salmon (Salmo salar L.) in flow regulated rivers /." Umeå : Dept. of Aquaculture, Swedish University of Agricultural Sciences, 2005. http://epsilon.slu.se/2005114.pdf.

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Crabbe, Sarah Jill. "Use of small streams by juvenile Atlantic salmon, Salmo salar, and brown trout, Salmo trutta, in the Ponoi River, Russia." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/MQ56314.pdf.

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Lans, Linnea. "Relations between metabolic rate, migration and behaviour in Atlantic salmon (Salmo salar) and brown trout (Salmo trutta)." Licentiate thesis, Karlstads universitet, Avdelningen för biologi, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-5593.

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ABSTRACT   Migration is common among populations of brown trout (Salmo trutta) and Atlantic salmon (Salmo salar). However, not all individuals in the same population migrate, a phenomenon referred to as partial migration. The aim of this thesis was to investigate if an individual’s behaviour and metabolic rate influences its decision to migrate and how such knowledge may be used when trying to produce hatchery-raised smolts with as high a proportion of migrating individuals as possible. In paper I the influence of reduced food ration on the proportion and swimming speed of migrating brown trout and Atlantic salmon smolts was investigated. Furthermore, the standard metabolic rate (SMR) of migrating and non-migrating individuals was compared. In paper II, a laboratory experiment, SMR was correlated to the behaviour of individual brown trout and Atlantic salmon. Dominant fish of both species had a higher SMR than subordinates (paper II). In addition, migrant brown trout had a higher SMR than non-migrant trout when given a normal food ration, whereas no difference in SMR between migrating and non-migrating salmon could be seen (paper I). When administered low food rations, smolts of both species migrated faster than smolts given a normal food ration, and the proportion of migrating smolts was higher for salmon given less food when the size difference for smolts from the two feeding regimes was large (paper I). Other factors that influenced migration speed were the degree of smolt development and water temperature (paper I). SMR was not correlated with aggressiveness, or with different measurements of boldness. Moreover, aggression and boldness were not correlated with each other (paper II). Trout showed a higher level of aggressiveness and acclimated more rapidly to laboratory conditions than salmon (paper II). In summary, there was no support for the existence of coping styles in migratory Atlantic salmon and brown trout. Instead, metabolic rates were related to both migratory behaviour and social status. Furthermore, an individual’s decision to migrate was influenced by ration size.
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Books on the topic "Salmon trout"

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Bingham, Charles. Salmon & sea trout fishing. London: Batsford, 1988.

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Laird, L. M. Salmon and trout farming. Hemel Hempstead: Horwood, 1993.

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Trout, salmon & sea trout fishing: The concise guide. London: Blandford, 1994.

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Calabi, Silvio. Trout & salmon of the world. Secaucus, NJ: Wellfleet Press, 1990.

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Pennsylvania trout & salmon fishing guide. Portland, OR: F. Amato Publications, 1988.

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Flies of Ireland: Trout & salmon. Ludlow: Merlin Unwin Books, 1995.

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Morgan, Moc. Trout & salmon flies of Wales. Ludlow: Merlin Unwin, 1996.

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Favourite trout and salmon recipes. Sevenoaks: Salmon, 2008.

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Ade, Robin. The trout and salmon handbook. New York: Facts on File, 1989.

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Jonathan, Shepherd C., ed. Handbook of trout and salmon diseases. 3rd ed. Oxford: Fishing News Books, 1997.

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Book chapters on the topic "Salmon trout"

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Hardy, Ronald W. "Feeding Salmon and Trout." In Nutrition and Feeding of Fish, 175–97. Boston, MA: Springer US, 1998. http://dx.doi.org/10.1007/978-1-4615-4909-3_10.

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Hardy, Ronald W. "Practical Feeding—Salmon and Trout." In Nutrition and Feeding of Fish, 185–203. Boston, MA: Springer US, 1989. http://dx.doi.org/10.1007/978-1-4757-1174-5_9.

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Jonsson, Bror, and Nina Jonsson. "Farmed Atlantic Salmon in Nature." In Ecology of Atlantic Salmon and Brown Trout, 517–66. Dordrecht: Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-94-007-1189-1_10.

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Jonsson, Bror, and Nina Jonsson. "Climatic Effects on Atlantic Salmon and Brown Trout." In Ecology of Atlantic Salmon and Brown Trout, 473–515. Dordrecht: Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-94-007-1189-1_9.

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Jonsson, Bror, and Nina Jonsson. "Habitats as Template for Life Histories." In Ecology of Atlantic Salmon and Brown Trout, 1–21. Dordrecht: Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-94-007-1189-1_1.

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Jonsson, Bror, and Nina Jonsson. "Population Enhancement and Population Restoration." In Ecology of Atlantic Salmon and Brown Trout, 567–632. Dordrecht: Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-94-007-1189-1_11.

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Jonsson, Bror, and Nina Jonsson. "General Conclusions and Research Tasks." In Ecology of Atlantic Salmon and Brown Trout, 633–55. Dordrecht: Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-94-007-1189-1_12.

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Jonsson, Bror, and Nina Jonsson. "Species Diversity." In Ecology of Atlantic Salmon and Brown Trout, 23–66. Dordrecht: Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-94-007-1189-1_2.

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Jonsson, Bror, and Nina Jonsson. "Habitat Use." In Ecology of Atlantic Salmon and Brown Trout, 67–135. Dordrecht: Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-94-007-1189-1_3.

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Jonsson, Bror, and Nina Jonsson. "Development and Growth." In Ecology of Atlantic Salmon and Brown Trout, 137–209. Dordrecht: Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-94-007-1189-1_4.

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Conference papers on the topic "Salmon trout"

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Bergman, Eva, Olle Calles, Larry Greenberg, Anna Hagelin, Johnny Norrgård, Daniel Nyqvist, and John Piccolo. "Landlocked Salmon and Trout in the Lake Vänern-River Klarälven ecosystem – What can we do for the wild fish?" In 5th European Congress of Conservation Biology. Jyväskylä: Jyvaskyla University Open Science Centre, 2018. http://dx.doi.org/10.17011/conference/eccb2018/107891.

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Birzaks, Jānis. "Water temperature and discharge trends in the Salaca river: possible climate change impacts on salmon and sea trout parr and smolts." In Zooloģija un dzīvnieku ekoloģija. Latvijas Universitāte, 2020. http://dx.doi.org/10.22364/zde.2020.01.

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Millidine, K. J., I. A. Malcolm, C. N. Gibbins, and R. J. Fryer. "The influence of canalisation on juvenile brown trout (Salmo trutta) habitat." In BHS 11th National Hydrology symposium. British Hydrological Society, 2012. http://dx.doi.org/10.7558/bhs.2012.ns38.

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Quilichini, Yann, Josephine Foata, Bernard Marchand, Antoine Orsini, and Joseph Mattei. "Parasites Communities in Brown Trout Salmo Trutta (Pisces, Teleostei) from Corsican Rivers." In 2006 First International Symposium on Environment Identities and Mediterranean Area. IEEE, 2006. http://dx.doi.org/10.1109/iseima.2006.344962.

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Revina, Olga, Jeļena Avsejenko, Dina Cīrule, and Anda Valdovska. "Antimicrobial resistance of aeromonas spp. isolated from the sea trout (Salmo trutta L.) in Latvia." In Research for Rural Development, 2017. Latvia University of Agriculture, 2017. http://dx.doi.org/10.22616/rrd.23.2017.040.

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Reports on the topic "Salmon trout"

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Schreck, Carl B., Hiran W. Li, and Randy C. Hjort. Stock Identification of Columbia River Chinook Salmon and Steelhead Trout, 1986 Final Report. Office of Scientific and Technical Information (OSTI), August 1986. http://dx.doi.org/10.2172/901551.

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Johnsen, Richard C., and Carol L. Ranck. Monitoring of Downstream Salmon and Steelhead Trout at Federal Hydroelectric Facilities, 1985 Annual Report. Office of Scientific and Technical Information (OSTI), November 1985. http://dx.doi.org/10.2172/850490.

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Brannon, E. L. Population Structure of Columbia River Basin Chinook Salmon and Steelhead Trout, Technical Report 2001. Office of Scientific and Technical Information (OSTI), August 2002. http://dx.doi.org/10.2172/818642.

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Schreck, Carl B., Cameron Sharpe, and Hiram W. Li. Stock Identification of Columbia River Chinook Salmon and Steelhead Trout, 1984-1985 Annual Report. Office of Scientific and Technical Information (OSTI), September 1985. http://dx.doi.org/10.2172/901550.

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Kiefer, Russell B., and Jerald N. Lockhart. Intensive Evaluation and Monitoring of Chinook Salmon and Steelhead Trout Production, Crooked River and Upper Salmon River Sites, 1992 Annual Report. Office of Scientific and Technical Information (OSTI), December 1994. http://dx.doi.org/10.2172/89550.

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Kiefer, Russell B., and Jerald N. Lockhart. Intensive Evaluation and Monitoring of Chinook Salmon and Steelhead Trout Production, Crooked River and Upper Salmon River Sites, 1995 Annual Report. Office of Scientific and Technical Information (OSTI), October 1999. http://dx.doi.org/10.2172/794114.

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Kiefer, Russell B., and Jerald N. Lockhart. Intensive Evaluation and Monitoring of Chinook Salmon and Steelhead Trout Production Crooked River and Upper Salmon River Sites, 1993 Annual Report. Office of Scientific and Technical Information (OSTI), June 1995. http://dx.doi.org/10.2172/795642.

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Kiefer, Russell B., and Jerald N. Lockhart. Intensive Evaluation and Monitoring of Chinook Salmon and Steelhead Trout Production, Crooked River and Upper Salmon River Sites, 1994 Annual Report. Office of Scientific and Technical Information (OSTI), June 1997. http://dx.doi.org/10.2172/544740.

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Underwood, Keith D. Investigations of Bull Trout (Salvelinus Confluentus), Steelhead Trout (Oncorhynchus Mykiss), and Spring Chinook Salmon (O. Tshawytscha) Interactions in Southeast Washington Streams. Final Report 1992. Office of Scientific and Technical Information (OSTI), January 1995. http://dx.doi.org/10.2172/45562.

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Martin, Steven W. Investigations of Bull Trout (Salvelinus Confluentus), Steelhead Trout (Oncorhynchus Mykiss), and Spring Chinook Salmon (O. Tshawytscha) Interactions in Southeast Washington Streams : 1991 Annual Report. Office of Scientific and Technical Information (OSTI), July 1992. http://dx.doi.org/10.2172/925571.

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