Academic literature on the topic 'Yellowtail Kingfish'
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Journal articles on the topic "Yellowtail Kingfish"
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Stewart, John, Douglas J. Ferrell, and Bryan van der Walt. "Sizes and ages in commercial landings with estimates of growth, mortality and yield per recruit of yellowtail kingfish (Seriola lalandi) from New South Wales, Australia." Marine and Freshwater Research 55, no. 5 (2004): 489. http://dx.doi.org/10.1071/mf03127.
Full textAbstract:
The size and age compositions of yellowtail kingfish (Seriola lalandi) were studied in commercial landings in New South Wales, Australia between 1998 and 2000. The fishery was dominated by fish smaller than 65 cm fork length and these fish were estimated to be 2 and 3 year olds. Estimates of growth rates were made using size-at-age data from sectioned otoliths. The oldest yellowtail kingfish found was 21 years and measured 136 cm fork length. There were no differences in the growth rates between regions or between sexes. Yellowtail kingfish grow rapidly and reach their minimum legal length of 60 cm total length at around 2 years of age. These estimates showed that previous studies, which estimated ages using whole otoliths, may have underestimated the ages of older yellowtail kingfish. Total instantaneous mortality rates generated from catch curves ranged between 0.43 and 0.79. Yield per recruit models suggest that the population is currently growth overfished. The information provided is used to discuss the suitability of the current minimum legal length for yellowtail kingfish in New South Wales.
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Horlick, Jack, Mark A. Booth, and Sasha G. Tetu. "Alternative dietary protein and water temperature influence the skin and gut microbial communities of yellowtail kingfish (Seriola lalandi)." PeerJ 8 (March 19, 2020): e8705. http://dx.doi.org/10.7717/peerj.8705.
Full textAbstract:
Fish skin and gut microbiomes contribute to host health and growth and are often significantly different in aquaculture-reared fish compared to wild fish. Determining how factors associated with aquaculture, including altered diet and abiotic conditions, affect the microbiome will assist with optimizing farming practices and non-invasively assessing fish health. Here, juvenile yellowtail kingfish (Seriola lalandi) housed at optimal (22 °C) and non-optimal (26 °C) water temperature were fed a fishmeal control diet or the same diet substituted with 30% soy-protein concentrate (SPC) in order to investigate impacts on host health and the microbial community composition of the skin mucosa, gut mucosa and digesta. Each of these sites was observed to have a distinct microbiome composition. The combination of SPC and housing at 26 °C significantly reduced weight gain in yellowtail kingfish and affected immune parameters. The overall microbial composition and relative abundance of specific operational taxonomic units (OTUs) was also significantly altered by inclusion of SPC at 26 °C, with a notable increase in an OTU identified as Photobacterium in the skin mucosa and digesta. Increased relative abundance of Photobacterium sp. was significantly correlated with reduced levels of digesta myeloperoxidase in yellowtail kingfish; a recognized innate immunity defense mechanism. The changes in the microbial communities of yellowtail kingfish fed a diet containing 30% SPC at 26 °C highlights the importance of considering the interactive effects of diet and environmental factors on microbiome health in farmed yellowtail kingfish.
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Stephens, Fran J. "Common pathogens found in yellowtail kingfish Seriola lalandi during aquaculture in Australia." Microbiology Australia 37, no. 3 (2016): 132. http://dx.doi.org/10.1071/ma16045.
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Tang, Edith K. Y., Gavin J. Partridge, Lindsey D. Woolley, Luke Pilmer, and Lee Yong Lim. "Effects of Formulation on the Palatability and Efficacy of In-Feed Praziquantel Medications for Marine Finfish Aquaculture." Marine Drugs 20, no. 5 (May 13, 2022): 323. http://dx.doi.org/10.3390/md20050323.
Full textAbstract:
Praziquantel (PZQ) provides an effective treatment against monogenean parasitic infestations in finfish. However, its use as an in-feed treatment is challenging due to palatability issues. In this study, five formulations of PZQ beads (1–4 mm) were developed using marine-based polymers, with allicin added as a flavouring agent. All formulations attained PZQ loading rates ≥74% w/w, and the beads were successfully incorporated into fish feed pellets at an active dietary inclusion level of 10 g/kg. When tested for palatability and digestibility in small yellowtail kingfish, the PZQ-loaded beads produced with alginate-chitosan, alginate-Cremophor® RH40, and agar as carriers resulted in high consumption rates of 99–100% with no digesta or evidence of beads in the gastrointestinal tract (GIT) of fish fed with diets containing either formulation. Two formulations produced using chitosan-based carriers resulted in lower consumption rates of 68–75%, with undigested and partly digested beads found in the fish GIT 3 h post feeding. The PZQ-loaded alginate-chitosan and agar beads also showed good palatability in large (≥2 kg) yellowtail kingfish infected with gill parasites and were efficacious in removing the parasites from the fish, achieving >90% reduction in mean abundance relative to control fish (p < 0.001). The two effective formulations were stable upon storage at ambient temperature for up to 18 months, showing residual drug content >90% compared with baseline levels. Overall, the palatability, efficacy and stability data collected from this study suggest that these two PZQ particulate formulations have potential applications as in-feed anti-parasitic medications for the yellowtail kingfish farming industry.
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Muncaster, Simon, Kirsty Kraakman, Olivia Gibbons, Koen Mensink, Maria Forlenza, Gregory Jacobson, and Steve Bird. "Antimicrobial peptides within the Yellowtail Kingfish (Seriola lalandi)." Developmental & Comparative Immunology 80 (March 2018): 67–80. http://dx.doi.org/10.1016/j.dci.2017.04.014.
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Booth, M. A., M. D. Moses, and G. L. Allan. "Utilisation of carbohydrate by yellowtail kingfish Seriola lalandi." Aquaculture 376-379 (February 2013): 151–61. http://dx.doi.org/10.1016/j.aquaculture.2012.11.024.
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Stride, M. C., A. Polkinghorne, T. L. Miller, J. M. Groff, S. E. LaPatra, and B. F. Nowak. "Molecular Characterization of “Candidatus Parilichlamydia carangidicola,” a Novel Chlamydia-Like Epitheliocystis Agent in Yellowtail Kingfish, Seriola lalandi (Valenciennes), and the Proposal of a New Family, “Candidatus Parilichlamydiaceae” fam. nov. (Order Chlamydiales)." Applied and Environmental Microbiology 79, no. 5 (December 28, 2012): 1590–97. http://dx.doi.org/10.1128/aem.02899-12.
Full textAbstract:
ABSTRACTThree cohorts of farmed yellowtail kingfish (Seriola lalandi) from South Australia were examined forChlamydia-like organisms associated with epitheliocystis. To characterize the bacteria, 38 gill samples were processed for histopathology, electron microscopy, and 16S rRNA amplification, sequencing, and phylogenetic analysis. Microscopically, the presence of membrane-enclosed cysts was observed within the gill lamellae. Also observed was hyperplasia of the epithelial cells with cytoplasmic vacuolization and fusion of the gill lamellae. Transmission electron microscopy revealed morphological features of the reticulate and intermediate bodies typical of members of the orderChlamydiales. A novel 1,393-bp 16S chlamydial rRNA sequence was amplified from gill DNA extracted from fish in all cohorts over a 3-year period that corresponded to the 16S rRNA sequence amplified directly from laser-dissected cysts. This sequence was only 87% similar to the reported “CandidatusPiscichlamydia salmonis” (AY462244) from Atlantic salmon and Arctic charr. Phylogenetic analysis of this sequence against 35ChlamydiaandChlamydia-like bacteria revealed that this novel bacterium belongs to an undescribed family lineage in the orderChlamydiales. Based on these observations, we propose this bacterium of yellowtail kingfish be known as “CandidatusParilichlamydia carangidicola” and that the new family be known as “CandidatusParilichlamydiaceae.”
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Tanner, JE, and M. Fernandes. "Environmental effects of yellowtail kingfish aquaculture in South Australia." Aquaculture Environment Interactions 1, no. 2 (December 21, 2010): 155–65. http://dx.doi.org/10.3354/aei00016.
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Cobcroft, Jennifer M., Patricia M. Pankhurst, Carolyn Poortenaar, Bob Hickman, and Mike Tait. "Jaw malformation in cultured yellowtail kingfish(Seriola lalandi)larvae." New Zealand Journal of Marine and Freshwater Research 38, no. 1 (March 2004): 67–71. http://dx.doi.org/10.1080/00288330.2004.9517218.
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Liu, Angela, Igor Pirozzi, Basseer Codabaccus, Barney Hines, Cedric Simon, Jesmond Sammut, and Mark Booth. "Digestible choline requirement of juvenile yellowtail kingfish (Seriola lalandi)." Aquaculture 509 (July 2019): 209–20. http://dx.doi.org/10.1016/j.aquaculture.2019.05.020.
Full textDissertations / Theses on the topic "Yellowtail Kingfish"
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Le, Ky Trung. "Dietary organic selenium in yellowtail kingfish Seriola lalandi Valenciennes, 1833." Thesis, Curtin University, 2015. http://hdl.handle.net/20.500.11937/674.
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The nutritional role of organic selenium in juvenile yellowtail kingfish Seriola lalandi was investigated. Common selenium deficiency symptoms were found in fish fed un-supplemented selenium fishmeal-based diets, whereas fish exposed to excessive levels of dietary selenium showed common signs of selenium toxicity. To prevent fish from deficiency symptoms, supplementation of selenium was required. The supplementation of organic selenium at appropriate levels demonstrated to increase immune and antioxidant responses and growth of juvenile yellowtail kingfish.
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Moran, Damian. "Metabolism and physiology during ontogeny of cultured yellowtail kingfish (Seriola Ialandi Carangidae)." Thesis, University of Auckland, 2007. http://hdl.handle.net/2292/443.
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Various aspects of metabolism and physiology were investigated during the ontogeny of yellowtail kingfish (Seriola lalandi), a fish of growing aquaculture importance in both New Zealand and other countries. Incubation experiments between 18-24°C showed that developing eggs and larvae were heavily influenced by temperature. It appeared that at warmer temperatures larvae hatched smaller but grew on the yolk sac, whereas at cooler temperatures larvae grew inside the chorion. Oxygen consumption data supported this, with a negative correlation found between total embryonic oxygen consumption and temperature. A mechanism was proposed to explain the differential effect of temperature on ontogeny and growth. Like other marine fish with pelagic eggs, yellowtail kingfish were found to be heavily reliant on free amino acids as a source of energy. At 23°C the pattern of substrate utilisation in eggs was considerably different from that at 17-21°C, indicating that 23°C exceeded the tolerance for normal development. Inter-individual aggression by large individuals was associated with the development of size heterogeneity in juveniles. Although this aggression also affected the survival of smaller juveniles, it was not the primary agent of much of the mortality that occurs during this phase, as many of these individuals were on a degenerate developmental trajectory. Yellowtail kingfish fingerlings used for ongrowing were robust to the stressors imposed by live transport. The ontogenetic development of metabolic rate from 0.6 mg-2.2 kg did not follow the same scaling exponent as that observed for mammalian models of allometry, and has implications for interspecific studies of mass-dependent metabolism.
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Gupta, Nipa. "Factors affecting the virulence of Photobacterium damselae subsp. damselae to yellowtail kingfish (Seriola lalandi)." Thesis, Gupta, Nipa (2021) Factors affecting the virulence of Photobacterium damselae subsp. damselae to yellowtail kingfish (Seriola lalandi). PhD thesis, Murdoch University, 2021. https://researchrepository.murdoch.edu.au/id/eprint/63530/.
Full textAbstract:
Infectious diseases are major threats to the aquaculture industry throughout the world. Yellowtail kingfish (Seriola lalandi, YTK) is a strong candidate for aquaculture in Australia, with good economic potential in domestic and international markets, however, the expansion of this industry has been hindered by invasive bacterial diseases. Photobacterium damselae subsp. damselae (Pdd) is an emerging bacterial pathogen which has been recently found with increasing frequency in both wild and cultured fishes, including YTK, and has already caused millions of dollars in lost aquaculture production. Until now, there have been no studies of the phenotypic and genetic diversity of Pdd isolates in Australia, their virulence to YTK, how this is affected by environmental conditions, and the potential for vaccine development. My project aimed to address these knowledge gaps.
In Chapter 1, I present a critical review of the farming status of YTK and the significant obstacles to developing this industry in Australia and globally. One of the major obstacles is mortality and production losses caused by infectious disease agents, including Pdd. A number of virulence factors have been identified in Pdd, and pathogenicity also varies with environmental conditions, fish species and fish size.
In Chapter 2, a collection of 16 Pdd isolates from Western Australia and South Australia were characterised. This collection comprised five different biotypes depending on their phenotypic and biochemical characteristics and substantial genetic variation was found, with differences among lineages in their haemolytic activity and in-vivo virulence. Photobacterium damselae subsp. damselae isolates (5 out of 16) with the pPHDD1 plasmid and associated virulence genes showed stronger haemolytic activity in-vitro than plasmid-free isolates, which contained only chromosome-I encoded virulence genes. An in-vivo challenge test was performed to determine the pathogenicity of selected Pdd isolates to YTK and revealed that both plasmid-bearing and plasmid-free Pdd isolates were pathogenic to YTK, though the plasmid-bearing isolate was more virulent.
As bacterial virulence is often influenced by environmental conditions, Chapter 3 investigated the impacts of different temperatures (17°C, 24°C, 28°C and 37°C) and salinities (0.5%, 1.0%, 1.5% and 3.5%) on the growth dynamics and expression of virulence genes of Pdd. There were significant differences in haemolytic activity at different temperatures and salinities, with haemolysis being greatest at 24°C and 28°C and at 0.5% salinity. The increased haemolysis at 24°C and 28°C was associated with growth rate and maximum cell density of Pdd, while the increased haemolysis at 0.5% salinity was associated with increased expression of the major virulence gene, dly. Thus, Pdd growth rate, maximum cell density and virulence gene expression all appear to be involved in determining haemolytic activity.
Analysis of host-pathogen interaction was studied in Chapter 4 by using an in-vivo challenge design where individual fish were followed for 8 days of challenge. The LD50 value for infection of YTK with a plasmid-bearing isolate of Pdd was 8.0×104 CFU/fish. A comparison of fish which either survived or succumbed to infection at this challenge dose showed that fish which subsequently died had greater expression of pro-inflammatory and anti-inflammatory cytokine genes than fish which survived.
Preliminary studies on vaccine efficacy were conducted in Chapter 5 and established that homologous and heterologous vaccines provided protection against Pdd infection, with greater production of specific IgM and higher survival rates with homologous vaccines. While this is encouraging, further experiments are required to optimise vaccine production.
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Kleindienst, Rowan James. "Investigating the effects of myxozoan parasites on post-harvest quality of Yellowtail Kingfish Seriola lalandi." Thesis, Curtin University, 2014. http://hdl.handle.net/20.500.11937/548.
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Unicapsula seriolae is a common myxozoan parasite affecting flesh quality in yellowtail kingfish (YTK), Seriola lalandi, in temperate waters of Australia. This parasite has been identified as a major threat to the development of a viable commercial YTK industry in Western Australia, due to flesh myoliquefaction upon cooking. This project quantifies the prevalence and severity of U. seriolae and develops strategies to mitigate the effects of infection on flesh quality of YTK.
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Pilmer, Luke. "Novel methods of improving the palatability of feeds containing praziquantel for commercially cultured yellowtail kingfish." Thesis, Pilmer, Luke (2016) Novel methods of improving the palatability of feeds containing praziquantel for commercially cultured yellowtail kingfish. Honours thesis, Murdoch University, 2016. https://researchrepository.murdoch.edu.au/id/eprint/35141/.
Full textAbstract:
Praziquantel is a broad spectrum anthelmintic drug that has been used therapeutically in humans and other animals for over 30 years. The efficacy of praziquantel against polyopisthocotylean and monopisthocotylean monogenean flukes in fish using bath treatments has been well demonstrated, however such treatments are prohibitively expensive for sea cage operations. In-feed treatments are also effective, however praziquantel is very bitter and its inclusion into fish diets has a negative impact on food intake and therefore effective dosing. This study aimed to investigate several innovative approaches to improve the palatability of feed containing praziquantel for commercially cultured yellowtail kingfish. The study revealed that freshly applying garlic extract to the surface of pellets coated with praziquantel was highly effective at increasing palatability. Incorporation of praziquantel into mash feeds before pellet extrusion, incorporation of praziquantel into hydrogenated castor oil solid lipid nanoparticles and the use of transglutaminase to strengthen the gelatin binder all proved ineffective at increasing palatability. When the garlic extract was applied 5 days prior to feeding the diets, palatability was reduced. Fish fed diets freshly coated with garlic extract consumed 100% of the ration at a praziquantel dietary inclusion level of 5 g/kg. As the praziquantel inclusion level increased to 15 g/kg the consumption reduced slightly, but not significantly. The time taken to consume the ration was significantly slower in diets containing praziquantel and garlic extract coating compared to diets without praziquantel, regardless of praziquantel dietary inclusion level. This study focused on juvenile kingfish less than 350grams. Future research should revolve around larger kingfish, testing lower concentrations of garlic extract and testing efficacy of the actual treatment in fish infested with flukes. The findings have considerable potential to increase the efficiency of application of praziquantel to yellowtail kingfish and potentially other cultured finfish.
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Stefanetti, Shayla. "Investigating the effects of a dietary inclusion of Actigen and Aquagard on the health and overall performance of yellowtail kingfish." Thesis, Stefanetti, Shayla (2016) Investigating the effects of a dietary inclusion of Actigen and Aquagard on the health and overall performance of yellowtail kingfish. Honours thesis, Murdoch University, 2016. https://researchrepository.murdoch.edu.au/id/eprint/38389/.
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Bacterial disease can have significant impacts in the culture of yellowtail kingfish, Seriola lalandi. Immunostimulants induce an immune response to better effectively fight off disease and have many advantages over the use of antibiotics. There are few commercially available immunostimulants for fish, with Actigen and Aquagard being two products which have shown potential. Recent studies on these two products have suggested they have the ability to increase survival and growth rates, and improve feed conversion ratios, as well as stimulate the immune system-shown by increased lysozyme activity, blood parameters and villus and mucous cell counts, which is what this study hypothesised. These immunostimulants, however, have never been tested in yellowtail kingfish. In this 16-week study, these parameters were measured in yellowtail kingfish fed a commercial diet coated with Actigen or Aquaguard and compared against the same diet without any immunostimulants. Survival of fish in the Aquagard treated group was significantly higher than those fed the control diet and the Actigen diet following a natural infection of Photobacterium damselae and Vibrio harveryi. The growth rates, feed conversion ratios, blood parameters, lysozyme activity, villus height and mucous cell count did not significantly differ among the treatment groups. This study indicates that the immunostimulant Aquagard has the potential to enhance the immune system, however further investigation is required to optimise dose and frequency of administration and gain a better understanding of the long-term effects of immunostimulant treatment.
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Chown, Samantha Naomi. "Understanding lipid utilisation in large (> 2 kg) Yellowtail Kingfish (Seriola lalandi)." Thesis, 2019. http://hdl.handle.net/2440/122337.
Full textAbstract:
Yellowtail Kingfish (Seriola lalandi) (YTK) are carnivorous marine finfishes that are commercially farmed in Australia. YTK present the greatest opportunity for expansion of the Australian aquaculture industry, but improved diet formulations and feed conversion ratios are essential for production gains and economic upscaling. Lipids constitute a major cost component of aquafeeds but lipid composition has not been optimised for YTK. The purpose of this research was to increase understanding of how YTK utilise dietary lipids, and to improve feed conversion efficiency and product quality for human consumers. Fish oil (FO) as a dietary lipid source is central to this research as YTK require dietary omega 3 (n-3) long chain polyunsaturated fatty acids (LC PUFA) from FO for healthy development and growth, but FO is limited and less economically sustainable than other types of oil/lipid. The first study presented in this thesis sought to benchmark the fatty acid composition of wild YTK compared to aquacultured YTK. Tissue total lipid content was on average 4-times higher in aquacultured than wild YTK, with significantly higher concentrations of total saturated, omega 9, omega 7 and omega 6 fatty acids in tissues, but n-3 LC PUFA concentrations were not significantly different in the white muscle of wild and aquacultured YTK. The second and third studies were carried out with YTK grown in tanks using aquafeeds with varying lipid formulations. Generally, the fatty acid composition of aquacultured fish is reflective of the composition of aquafeeds, however this was not always the case for YTK in the following experiments. The key findings were that YTK have the capacity to spare in full Docosahaexonoic Acid (DHA) in white muscle at the expense of oleic acid (18:1n-9) when dietary levels of n-3 LC PUFA were <1.6 g 100 g-1 feed and that the digestibility of saturated fatty acids decreased with increasing chain length. Both of these findings could be used to manipulate dietary formulations and improve utilisation of n-3 LC PUFA. The fourth study investigated the potential for finishing diets to be utilised to modify the tissue fatty acid composition of YTK prior to harvest. Results showed significant changes in white muscle n-3 LC PUFA over 33 days at warm water temperatures, however further research was recommended to optimise the duration of finishing periods under a range of conditions. It was also recommended that the n-3 LC PUFA content of YTK feeds be closely monitored with strict lower limits set to ensure optimal product quality. The fifth and final study validated a method for the quantification of bioactive free fatty acid and oxylipin levels in YTK blood plasma. The approach was then used to determine the effects of dietary levels of n-3 LC PUFA on plasma free fatty acids and oxylipin bioactives. This method provides a new tool for aquaculture nutritionists to assess the impact of changes to YTK aquafeed formulations. In summary, this thesis has provided insight into the factors that affect fatty acid utilisation in YTK which have the potential to positively influence future aquafeed formulations, while also providing new methods to investigate lipid metabolism in the future.Thesis (Ph.D.) -- University of Adelaide, School of Agriculture, Food and Wine, 2019
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Hutson, Kate S. "Parasite interactions between wild and farmed yellowtail kingfish (Seriola lalandi) in southern Australia." 2007. http://hdl.handle.net/2440/47938.
Full textAbstract:
Metazoan parasites threaten the development and expansion of yellowtail kingfish (Seriola lalandi) sea-cage aquaculture in Australia. There is international speculation that parasite transmission from farmed to wild fish leads to increased incidence of parasitism in wild fish. Conversely, transfer of parasites from wild fish to farmed fish can negatively impact upon the health of farmed fish. Baseline information on the parasite assemblage of wild S. lalandi in Australia will: 1) allow informed judgments to be made in order to responsibly monitor, and perhaps remedy, potentially negative impacts and; 2) enable identification of parasite species of potential harm to the Australian S. lalandi aquaculture industry. I collected wild Seriola spp. (Carangidae) throughout southern Australia and examined them for metazoan parasites. Fifty-six metazoan parasite species are identified, including one new species. A taxonomic listing is provided for the metazoan parasites found. Taxonomic descriptions are made for the blood fluke Paradeontacylix godfreyi n. sp. (Digenea: Sanguinicolidae) and a redescription is provided for the parasitic copepod Naricolax chrysophryenus (Cyclopoida: Bomolochidae). A qualitative risk assessment was devised for the metazoan parasite taxa identified for the sea-cage aquaculture of S. lalandi in South Australia. Risk was interpreted considering the likelihood and consequence of parasite establishment and proliferation. The monogeneans Benedenia seriolae and Zeuxapta seriolae were considered extremely likely to establish and proliferate. Benedenia seriolae also poses high potential negative consequences for cost-effective S. lalandi sea-cage farming. However, the absence of potential mitigation methods and parasite management for Paradeontacylix spp. (Digenea), Kudoa sp. and Unicapsula seriolae (Myxozoa) indicates that these species may also present high negative consequences for S. lalandi aquaculture in Australia. The nature of wild Seriola migrations is critical for an understanding of the potential impact of disease and parasite interactions between wild and farmed fish. A small-scale tagging programme of wild-caught S. lalandi and S. hippos in South Australia provided insight into the movements of these species. Recapture results indicate that large S. lalandi remain in, or return to, northern Spencer Gulf. S. lalandi also move past sea-cage farms in Fitzgerald Bay, northern Spencer Gulf, which is an important consideration in view of potential expansion of the S. lalandi sea-cage industry in Spencer Gulf. There is surprisingly little experimental assessment on parasite transmission from farmed fish to wild fish. Studies assessing parasite interactions between wild and cultured fish employ models to quantify parasite population levels of cultured, wild and escaped fish, while others carry out comparative surveys of parasite prevalence and intensity over time, in areas close to and distant from farming activity. I provide preliminary data on ectoparasite prevalence and intensity on wild S. lalandi in areas close to, distant from and where there is no sea-cage farming in southern Australia. I review methods employed in the northern hemisphere to assess sea-louse transfer between wild and farmed salmon and propose methods for assessing monogenean parasite transmission from farmed to wild S. lalandi in Australia. In summary, this thesis provides insight into the potential for parasite interactions between wild and farmed S. lalandi. I document the parasite assemblage of wild and farmed S. lalandi and wild S. hippos and provide baseline data on ‘natural’ parasite prevalence and intensity. I provide a taxonomic description of a new species of blood fluke. I indicate the likelihood of parasite transfer from wild fish to farmed S. lalandi, and identify parasite taxa with potentially negative consequences for sea-cage aquaculture. I provide the first firm data that wild S. lalandi move past one area where kingfish are farmed in sea-cages in South Australia. Finally, I propose procedures to better understand the potential for monogenean parasite transmission from farmed S. lalandi to wild fish. This thesis reports new information that is important when considering and managing expansion of the S. lalandi sea-cage aquaculture industry throughout Australia. It also provides baseline data on natural parasite levels to enable ongoing monitoring of the potential impacts of the industry on wild fish populations.http://proxy.library.adelaide.edu.au/login?url= http://library.adelaide.edu.au/cgi-bin/Pwebrecon.cgi?BBID=1294807
Thesis (Ph.D.) -- University of Adelaide, School of Earth and Environmental Sciences, 2007
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Hutson, Kate S. "Parasite interactions between wild and farmed yellowtail kingfish (Seriola lalandi) in southern Australia." Thesis, 2007. http://hdl.handle.net/2440/47938.
Full textAbstract:
Metazoan parasites threaten the development and expansion of yellowtail kingfish (Seriola lalandi) sea-cage aquaculture in Australia. There is international speculation that parasite transmission from farmed to wild fish leads to increased incidence of parasitism in wild fish. Conversely, transfer of parasites from wild fish to farmed fish can negatively impact upon the health of farmed fish. Baseline information on the parasite assemblage of wild S. lalandi in Australia will: 1) allow informed judgments to be made in order to responsibly monitor, and perhaps remedy, potentially negative impacts and; 2) enable identification of parasite species of potential harm to the Australian S. lalandi aquaculture industry.
I collected wild Seriola spp. (Carangidae) throughout southern Australia and examined them for metazoan parasites. Fifty-six metazoan parasite species are identified, including one new species. A taxonomic listing is provided for the metazoan parasites found. Taxonomic descriptions are made for the blood fluke Paradeontacylix godfreyi n. sp. (Digenea: Sanguinicolidae) and a redescription is provided for the parasitic copepod Naricolax chrysophryenus (Cyclopoida: Bomolochidae).
A qualitative risk assessment was devised for the metazoan parasite taxa identified for the sea-cage aquaculture of S. lalandi in South Australia. Risk was interpreted considering the likelihood and consequence of parasite establishment and proliferation. The monogeneans Benedenia seriolae and Zeuxapta seriolae were considered extremely likely to establish and proliferate. Benedenia seriolae also poses high potential negative consequences for cost-effective S. lalandi sea-cage farming. However, the absence of potential mitigation methods and parasite management for Paradeontacylix spp. (Digenea), Kudoa sp. and Unicapsula seriolae (Myxozoa) indicates that these species may also present high negative consequences for S. lalandi aquaculture in Australia.
The nature of wild Seriola migrations is critical for an understanding of the potential impact of disease and parasite interactions between wild and farmed fish. A small-scale tagging programme of wild-caught S. lalandi and S. hippos in South Australia provided insight into the movements of these species. Recapture results indicate that large S. lalandi remain in, or return to, northern Spencer Gulf. S. lalandi also move past sea-cage farms in Fitzgerald Bay, northern Spencer Gulf, which is an important consideration in view of potential expansion of the S. lalandi sea-cage industry in Spencer Gulf.
There is surprisingly little experimental assessment on parasite transmission from farmed fish to wild fish. Studies assessing parasite interactions between wild and cultured fish employ models to quantify parasite population levels of cultured, wild and escaped fish, while others carry out comparative surveys of parasite prevalence and intensity over time, in areas close to and distant from farming activity. I provide preliminary data on ectoparasite prevalence and intensity on wild S. lalandi in areas close to, distant from and where there is no sea-cage farming in southern Australia. I review methods employed in the northern hemisphere to assess sea-louse transfer between wild and farmed salmon and propose methods for assessing monogenean parasite transmission from farmed to wild S. lalandi in Australia.
In summary, this thesis provides insight into the potential for parasite interactions between wild and farmed S. lalandi. I document the parasite assemblage of wild and farmed S. lalandi and wild S. hippos and provide baseline data on ‘natural’ parasite prevalence and intensity. I provide a taxonomic description of a new species of blood fluke. I indicate the likelihood of parasite transfer from wild fish to farmed S. lalandi, and identify parasite taxa with potentially negative consequences for sea-cage aquaculture. I provide the first firm data that wild S. lalandi move past one area where kingfish are farmed in sea-cages in South Australia. Finally, I propose procedures to better understand the potential for monogenean parasite transmission from farmed S. lalandi to wild fish. This thesis reports new information that is important when considering and managing expansion of the S. lalandi sea-cage aquaculture industry throughout Australia. It also provides baseline data on natural parasite levels to enable ongoing monitoring of the potential impacts of the industry on wild fish populations.Thesis (Ph.D.) -- University of Adelaide, School of Earth and Environmental Sciences, 2007
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Candebat, Caroline Lourdes. "Optimizing dietary specifications for yellowtail kingfish, Seriola lalandi: requirements and interactions of sulfur amino acids and taurine." Thesis, 2021. https://researchonline.jcu.edu.au/74266/1/JCU_74266_Candebat_2021_thesis.pdf.
Full textAbstract:
Caroline Candebat studied the yellowtail kingfish. She quantified the sulfur amino acid and taurine requirements with emphasis on metabolic interactions and effects of the species health. Her findings are used by the aquaculture industry to optimize feed formulations and challenge current academic understanding of the requirements and metabolism of carnivorous fish that are of commercial interest.
Book chapters on the topic "Yellowtail Kingfish"
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Stewart Fielder, D. "Hatchery production of yellowtail kingfish ( Seriola lalandi )." In Advances in Aquaculture Hatchery Technology, 542–53. Elsevier, 2013. http://dx.doi.org/10.1533/9780857097460.3.542.
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