Relevant bibliographies by topics / Rainbow fish

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

Academic literature on the topic 'Rainbow fish'

Author: Grafiati
Published: 4 June 2021
Last updated: 12 February 2022

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Journal articles on the topic "Rainbow fish"

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Alifuddin, M., Yani Hadiroseyani, and I. Ohoiulun. "Parasites in Fresh Water Ornamental Fish (Cupang, Guppy and Rainbow Fish)." Jurnal Akuakultur Indonesia 2, no. 2 (August 1, 2007): 93. http://dx.doi.org/10.19027/jai.2.93-100.

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<p>Parasite inventory on some fresh water ornamental fish was done by survey methode. Parasites found from cupang fish namely Trichodinid (Ciliophora), <em>Dactylogyrus </em>sp. and <em>Gyrodaclylus </em>sp. (Platyhelminthes), Acanthocephala and cystic form; in guppy fish Trichodinid (Ciliophora), <em>Gyrodaclylus </em>sp. (Platyhelminthes) and <em>Lerneae </em>sp. (Crustasea); on rainbowg found Trichodinid (Ciliophora), <em>Dactylogyrus </em>sp., <em>Gyrodaclylus </em>sp. (Platyhelminthes), Acanthocephala, <em>Lerneae </em>sp. (Krustasea) and cystic form. Parasites found known as ecto, meso and endoparasites. From this study, there is correlation between parastes present with length fish.</p> <p>Key word : Fish water ornamental fish, fish parasites</p> <p> </p> <p>ABSTRAK</p> <p>Inventarisi parasit telah dilakukan dengan metode survey pada ikan hias air tawar yakni, ikan cupang <em>(Betta splendens </em>Regan), ikan gapi <em>(Poecilia reticulata </em>Peters) dan ikan rainbow <em>(Melanotaenia macculochi </em>Ogilby). Pada ikan cupang ditemukan parasit Trichodinid (Ciliophora), <em>Dactylogyrus </em>sp. dan <em>Gyrodaclylus </em>sp. (Platy-helminthes), Acanthocephala dan kiste); pada ikan gapi ditemukan Trichodinid (Ciliophora), <em>Gyrodaclylus </em>sp. (Platyhelminthes) dan <em>Lerneae </em>sp. (Krustasea); pada ikan rainbowg ditemukan parasit Trichodinid (Ciliophora), <em>Dactylogyrus </em>sp., <em>Gyrodaclylus </em>sp. (Platyhelminthes), Acanthocephala, <em>Lerneae </em>sp. <em>{Krustasea) </em>dan kista. Parasit yang ditemukan tergolong ekto, meso dan endoparasit. Dari penelitian ini terlihat adanya hubungan keberadaan parasit dengan ukuran panjang ikan.</p> Kata kunci: Ikan hias air tawar, parasit ikan
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Bosakowski, Thomas, and Eric J. Wagner. "Assessment of Fin Erosion by Comparison of Relative Fin Length in Hatchery and Wild Trout in Utah." Canadian Journal of Fisheries and Aquatic Sciences 51, no. 3 (March 1, 1994): 636–41. http://dx.doi.org/10.1139/f94-064.

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We measured all fins of 600 hatchery trout sampled from all 10 state fish hatcheries in Utah, and of wild fish sampled as controls comprising 58 rainbow trout (Oncorhynchus mykiss), 33 cutthroat trout (O. clarki), and 54 brown trout (Salmo trutta). A strong linear correlation was found between fin length and total body length (100–300 mm) for all fins of wild rainbow trout. "Relative fin length" (fin length/total body length × 100) proved to be a useful comparative measure, as this statistic was not biased by fish length in the wild fish sampled (all slopes <0.01%). Interspecific comparison of wild rainbow, cutthroat, and brown trout showed slight but statistically significant differences in some fin lengths. In intraspecific comparisons, hatchery fish had significantly shorter (10–50%) rayed fins than wild fish. The dorsal fin was most severely eroded in rainbow and brown trout, followed by the pectoral, anal, ventral, and caudal fins, in cutthroat trout the pattern was the same except that pectoral fins had more extensive erosion than dorsal fins. No species was clearly more susceptible to fin erosion in hatcheries, but the Fish Lake – DeSmet strain of rainbow trout had significantly shorter fins than other rainbow trout strains.
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Hayuningtyas, Erma Primanita, and Tutik Kadarini. "KERAGAMAN GENOTIPE TIGA GENERASI IKAN RAINBOW KURUMOI (Melanotaenia parva) HASIL DOMESTIKASI BERDASARKAN RAPD; Genotype Diversity in Three Generations of Domesticated Kurumoi Rainbow Fish (Melanotaenia parva) Based on RAPD Method." Jurnal Riset Akuakultur 11, no. 2 (December 28, 2016): 107. http://dx.doi.org/10.15578/jra.11.2.2016.107-114.

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Ikan rainbow Kurumoi (Melanotaenia parva) adalah ikan endemik Danau Kurumoi, Papua Barat, Indonesia. Balai Penelitian dan Pengembangan Budidaya Ikan Hias (BPPBIH), Depok telah berhasil melakukan domestikasi dan menghasilkan beberapa generasi ikan rainbow Kurumoi. Ikan rainbow Kurumoi memijah secara alami, sehingga kemungkinan terjadinya inbreeding tinggi. Oleh karena itu, sangatlah penting untuk mengevaluasi keragaman genetik ikan rainbow Kurumoi. Penelitian ini bertujuan untuk mengetahui kualitas genetik dengan mengevaluasi keragaman genotipe tiga generasi ikan rainbow Kurumoi menggunakan metode RAPD (Randomly Amplified Polymorphic DNA) dengan tiga jenis primer, yaitu: OPA-18, OPZ-5, dan OPZ-13. Setiap generasi diambil 10 ekor ikan secara acak. Hasil penelitian ditemukan bahwa keragaman genotipe ikan generasi pertama (69,25%) relatif lebih rendah (P>0,05) daripada generasi kedua (76,9%) dan ketiga (76,9%). Nilai heterozigositas cenderung meningkat dari generasi ke generasi. Heterozigositas ikan generasi pertama adalah 0,21; generasi kedua sebesar 0,24; dan generasi ketiga sebesar 0,25. Jarak genetik terjauh adalah antara generasi pertama dan generasi ketiga, yaitu sebesar 0,19. Dengan demikian, proses domestikasi yang telah dilakukan tidak menyebabkan penurunan keragaman genotipe ikan rainbow Kurumoi.Kurumoi rainbow fish (Melanotaenia parva) is an endemic species from Kurumoi Lake, West Papua, Indonesia. Research and Development for Ornamental Fish Culture, Depok has successfully domesticated and produce Kurumoi rainbow fish for several generations. This fish is breed naturally, inbreeding probability is highly occure. It is important to evaluate genetic diversity of Kurumoi rainbow fish. Aim of the research was to evaluate genotype diversity at three generations of Kurumoi rainbow fish using RAPD (Randomly Amplified Polymorphic DNA) method with three primers, namely OPA-18, OPZ-5, and OPZ-13. In the research, 10 fishes were randomly taken from each generation. The research found that genotype diversity of fish first generation (69.25%) was relatively lower (P>0.05) than second (76.9%) and third (76.9%) generations. Heterozygosity value tended to increase by generation to generation. Heterozygosity at first generation was 0.21, 0.24 at second generation and 0.25 at third generation. The highest genetic distance was between the first and third generation (0.19). Thus, the domestication process that has been done does not cause a decrease in genotype diversity of Kurumoi rainbow fish.
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Barabe, Russell M. "Population estimate of wild rainbow trout in a remote stream of southern California." California Fish and Wildlife Journal 107, no. 1 (May 20, 2021): 21–32. http://dx.doi.org/10.51492/cfwj.107.2.

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Recreational fishing for Rainbow Trout (Oncorhynchus mykiss) is important economically in California. We determined the upstream and downstream distribution of Rainbow Trout in a southern California stream, and classified all available habitat within that area as riffle, pool, cascade-pool-complex, and flatwater. Approximately 10% (based on length) of each habitat type was sampled using depletion electrofishing. We estimated Rainbow Trout abundance, both <100 mm and ≥100 mm, by extrapolating average number of fish per m² in each habitat type sampled to the total m² of each habitat type. A total of 854 fish were captured, with the greatest proportion coming from the cascade-pool-complex habitat type, followed by pool, flatwater, and riffle. The population estimate for Rainbow Trout <100 mm was 1,763 fish (95% CI ±442), and for Rainbow Trout ≥100 mm was 5,383 fish (95% CI ±1,688).
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Suparno, Suparno, S. W. Hanson, and A. J. Rosenthal. "THIAMINE IN FISH AND ITS DEGRADATION DURING THERMAL PROCESSING OF SALTED-BOILED FISH." Indonesian Fisheries Research Journal 2, no. 1 (June 14, 2017): 50. http://dx.doi.org/10.15578/ifrj.2.1.1996.50-56.

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Hayuningtyas, Erma Primanita, Shofihar Sinansari, Melta Rini Fahmi, Eni Kusrini, and Bastiar Nur. "KARAKTER GENOTIPE TIGA POPULASI IKAN RAINBOW AJAMARU (Melanotaenia ajamaruensis) DARI ALAM DAN BUDIDAYA MENGGUNAKAN RAPD." Jurnal Riset Akuakultur 13, no. 2 (September 27, 2018): 105. http://dx.doi.org/10.15578/jra.13.2.2018.105-113.

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Ikan rainbow Ajamaru (Melanotaenia ajamarunensis) yang dinyatakan punah pada tahun 1996 merupakan ikan endemik dari Danau Ajamaru, Papua. Namun ikan ini berhasil ditemukan kembali pada tahun 2007 di Sungai Kaliwensi, Sorong, Papua. Domestikasi ex-situ ikan rainbow Ajamaru sedang dilakukan di Balai Riset Budidaya ikan Hias, Depok-Jawa Barat. Penelitian ini bertujuan mengevaluasi perbedaan genotipe ikan rainbow Ajamaru di alam dan budidaya melalui analisis keragaman genetik untuk melihat adanya perubahan genetik, migrasi maupun mutasi gen. Metode yang digunakan adalah Randomly Amplified Polymorphic DNA (RAPD) dengan 3 jenis primer (OPA 03, OPB 6, dan OPZ 5). Setiap populasi baik, dari alam (Papua) maupun budidaya (Depok dan Papua) masing-masing diambil secara acak sebanyak 10 sampel ikan uji. Hasil penelitian menunjukkan nilai keragaman genetik pada ikan di alam lebih rendah (62,5%) dibanding ikan budidaya di Papua (70,31%) dan tertinggi pada ikan budidaya di Depok (73,43%). Heterozigositas pada ikan di alam lebih rendah (0,172) dibanding ikan budidaya di Papua (0,241) dan di Depok (0,270). Jarak genetik terjauh ditunjukkan antara populasi ikan alam dan populasi ikan budidaya Papua, sedangkan jarak genetik terdekat antara populasi ikan budidaya di Papua dengan di Depok. Karakter genotipe yang dihasilkan pada tiga populasi ikan rainbow Ajamaru adalah memiliki corak DNA yang berbeda nyata (P<0,05). Perbedaan yang dihasilkan dari karakter genotipe karena respon genotip dari tiap individu dan daya adaptasi ikan berbeda-beda pada habitat yang berbeda.Ajamaru rainbow, an endemic fish from Lake Ajamaru, Papua, once declared extinct in 1996. However, it was rediscovered in 2007, in Kaliwensi River, Sorong, Papua. Currently, the Ajamaru rainbow fish is being domesticated ex-situ at the Research Center for Ornamental Fish Culture, Depok, West Java. The aim of the research was to determine the genotype characteristics of wild and cultured Ajamaru rainbow including genetic change, drift, migration, and mutation using genetic variance analysis. The genetic analysis applied was Randomly Amplified Polymorphic DNA (RAPD) using OPA-03, OPB-6, and OPZ-5 primers. Ten samples were used for each population. The results showed that the three populations of Ajamaru rainbow fish have significantly different (P<0.05) of DNA polymorphism. The lowest value of genetic variance was found in the wild fish (62.5%) followed by the cultured fish located in Papua (70.31%), and the highest was observed in the cultured fish located in Depok (73.43%). Heterozygosity of the wild fish was lower (0.172) than that of the cultured fish in Papua (0.241) and in Depok (0.270). The high genetic distance was found between the wild and cultured fish from Papua. The closest relationship was between the fish culture in Papua and Depok. The genotype character produced in the three Ajamaru rainbow fish populations was have significantly different (P<0.05) of DNA polymorphism. The differences that result form genotype characters because of the genotypic response of each individual and the adaptability of fish vary in different habitats.
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Meyer, Kevin A., and J. S. Griffith. "First-winter survival of rainbow trout and brook trout in the Henrys Fork of the Snake River, Idaho." Canadian Journal of Zoology 75, no. 1 (January 1, 1997): 59–63. http://dx.doi.org/10.1139/z97-007.

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We used caged fish with a cobble – boulder substrate to test the effect of fish size on first-winter survival of rainbow trout, Oncorhynchus mykiss, to compare survival of rainbow trout and brook trout, Salvelinus fontinalis, and to test for a temperature effect in each experiment. At the warmer site, over 90% of the rainbow trout in the size experiment survived the winter, and there was no significant difference between >90 and <90 mm fish. At the colder site, survival was 60% and all mortality occurred in fish <90 mm. Survival of brook trout (60%) was significantly less than that of rainbow trout (87%) but did not differ between the warmer and colder sites. Brook trout that survived were significantly larger than those that did not. Results suggest that size-dependent mortality may be more likely to occur when environmental conditions are more severe (e.g., lower temperatures, less suitable habitat). Rainbow trout experienced less mortality than brook trout when using cobble – boulder substrate as cover during their first winter; this may be the result of different winter-habitat preferences between the two species.
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Ricaud, Karine, Mickael Rey, Elisabeth Plagnes-Juan, Laurence Larroquet, Maxime Even, Edwige Quillet, Sandrine Skiba-Cassy, and Stéphane Panserat. "Composition of Intestinal Microbiota in Two Lines of Rainbow Trout (Oncorhynchus Mykiss) Divergently Selected for Muscle Fat Content." Open Microbiology Journal 12, no. 1 (August 31, 2018): 308–20. http://dx.doi.org/10.2174/1874285801812010308.

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Background:Recently, studies suggest that gut microbiota contributes to the development of obesity in mammals. In rainbow trout, little is known about the role of intestinal microbiota in host physiology.Objective:The aim of this study was to investigate the link between intestinal microbiota and adiposity, by high-throughput 16S RNA gene based illumina Miseq sequencing in two rainbow trout lines divergently selected for muscle lipid content. Fish from these two lines of rainbow trout are known to have a differing lipid metabolism.Methods:Samples from the two lines (L for lean and F for fat) were collected from Midgut (M) and Hindgut (H) in juvenile fish (18 months) to compare intestinal microbiota diversity.Results:Whatever the lines and intestinal localisation,Proteobacteria,FirmicutesandActinobacteriaare the dominant phyla in the bacterial community of rainbow trout (at least 97%). The results indicate that richness and diversity indexes as well as bacterial composition are comparable between all groups even though 6 specific OTUs were identified in the intestinal microbiota of fish from the fat line and 2 OTUs were specific to the microbiota of fish from the lean line. Our work contributes to a better understanding in microbial diversity in intestinal microbiota of rainbow trout.Conclusion:Altogether, our study indicates that no major modification of the intestinal microbiota is induced by selection for muscle lipid content and associated metabolic changes. Finally, we identified members of core microbiota in rainbow trout.
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Layhee, Megan J., Adam J. Sepulveda, Amy Shaw, Matthew Smuckall, Kevin Kapperman, and Alejandro Reyes. "Effects of Electric Barrier on Passage and Physical Condition of Juvenile and Adult Rainbow Trout." Journal of Fish and Wildlife Management 7, no. 1 (February 1, 2016): 28–35. http://dx.doi.org/10.3996/042015-jfwm-039.

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Abstract Electric barriers can inhibit passage and injure fish. Few data exist on electric barrier parameters that minimize these impacts and on how body size affects susceptibility, especially to nontarget fish species. The goal of this study was to determine electric barrier voltage and pulse-width settings that inhibit passage of larger bodied rainbow trout Oncorhynchus mykiss (215–410 mm fork length) while allowing passage of smaller bodied juvenile rainbow trout (52–126 mm) in a static laboratory setting. We exposed rainbow trout to 30-Hz pulsed-direct current voltage gradients (0.00–0.45 V cm−1) and pulse widths (0.0–0.7 ms) and recorded their movement, injury incidence, and mortality. No settings tested allowed all juveniles to pass while impeding all adult passage. Juvenile and adult rainbow trout avoided the barrier at higher pulse widths, and fewer rainbow trout passed the barrier at 0.7-ms pulse width compared to 0.1 ms and when the barrier was turned off. We found no effect of voltage gradient on fish passage. No mortality occurred, and we observed external bruising in 5 (7%) juvenile rainbow trout and 15 (21%) adult rainbow trout. This study may aid managers in selecting barrier settings that allow for increased juvenile passage.
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Alanärä, Anders, and Eva Brännäs. "Diurnal and nocturnal feeding activity in Arctic char (Salvelinus alpinus) and rainbow trout (Oncorhynchus mykiss)." Canadian Journal of Fisheries and Aquatic Sciences 54, no. 12 (December 1, 1997): 2894–900. http://dx.doi.org/10.1139/f97-187.

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When food is limited and competition for it is high, individual fish may adopt different diel activity patterns. We followed individual feeding activity in groups of 10 Arctic char (Salvelinus alpinus) and rainbow trout (Oncorhynchus mykiss) using a combined self-feeding and PIT-tag system. Food was supplied at low and high rewards to five replicate groups of Arctic char and rainbow trout. Four categories were identified in both species: high-triggering diurnal (diurnal fish with the highest self-feeding activity), low-triggering diurnal, nocturnal, and nontriggering fish. On average, the photophase proportion of the total daily activity was approx 90% in diurnal and approx 20% in nocturnal individuals. Rainbow trout offered high rewards did not show any diel preferences. Diurnal Arctic char and rainbow trout with the highest self-feeding activity were initially larger and had the highest growth rates, indicating a high social position. Nocturnal fish were initially smaller and their proportion of trigger actuations much lower than the high-triggering diurnal fish. These still grew successfully whereas nontriggering fish grew significantly less. Thus, some individuals with a low social status may apply an alternative strategy to attain adequate growth by feeding at night when dominant individuals are less aggressive. This may be referred to as concurrent dualism (diurnalism and nocturnalism).
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Dissertations / Theses on the topic "Rainbow fish"

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Scown, Tessa M. "Uptake and effects of nanoparticles in fish." Thesis, University of Exeter, 2009. http://hdl.handle.net/10036/93696.

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Nanotechnology is a rapidly growing industry of global economic importance, with new technologies exploiting the novel characteristics of materials manufactured at the nanoscale being developed for use within the biomedical, electronic, energy production and environmental sectors. The unusual properties of engineered nanomaterials (ENMs) that make them useful in such applications have led to concerns regarding their potential impact on the environment. The aquatic environment is particularly at risk of exposure to ENPs, yet, there is currently little known about their behaviour in aquatic systems, their capacity to be taken up by aquatic organisms or their potential toxic effects. The studies that were conducted during this work sought to investigate the ecotoxicology of a range of metal and metal oxide nanoparticles using fish as a vertebrate model. In order to gain a better understanding of the uptake and effects of ENMs in fish, rainbow trout (Oncorhynchus mykiss) were exposed to nanoparticulate (34 nm) and bulk (>100 nm) titanium dioxide particles via the water column (500 and 5000 µg L-1), and to titanium dioxide nanoparticles via the diet (0.1 and 1 mg g-1 food) and via intravenous injection (1.3 mg kg-1 body weight). Uptake of titanium dioxide into the tissues of trout after waterborne and dietary exposure was found to be very low, suggesting limited bioavailability of the nanoparticles to the fish, although small amounts of uptake of titanium dioxide across the gill epithelial membrane were observed using coherent anti-stokes Raman scattering. Intravenously injected titanium dioxide accumulated and was retained in the kidneys for up to 21 days, but no adverse effect on kidney function was detected. Silver nanoparticles are already in widespread use in a variety of consumer products such as wound dressings, food containers, sock fabrics and paints, principally for their antimicrobial activity. Despite its growing commercialisation, there is little known about the environmental effects of the use of nanoparticulate silver in these products. In order to investigate these potential effects, rainbow trout were also exposed to 10 nm, 35 nm and bulk (0.6-1.6 µm) silver particles via the water column at concentration of 10 and 100 µg L-1. Uptake of silver in the gills and liver of trout occurred, with smaller nanoparticles showing a greater propensity for association with gill tissue, but with no significant differences in uptake between particles of different sizes in the liver. No increases in lipid peroxidation were detected in gills, liver or blood plasma of trout, however, expression of cyp1a2 was significantly up-regulated in exposures to 10 nm silver particles in the gill, suggesting an increase in oxidative metabolism. In an attempt to develop an effective high through-put in vitro screening assay for ENMs, the suitability of isolated rainbow trout primary hepatocytes was examined as a potential model for in vitro screening of a range of toxicological endpoints in response to nanoparticles and for studying uptake of nanoparticles into cells. The hepatocytes retained a good level of functionality after culturing as evidenced by vitellogenin production in response to the synthetic oestrogen, 17β-oestradiol. The cultured hepatocytes, however, showed limited responses on exposure to titanium dioxide, zinc oxide, cerium oxide and silver nanoparticles for lipid peroxidation and glutathione-s-transferase activity assays. Furthermore, the hepatocytes were unresponsive to the induction of these biological responses in the positive controls, suggesting they are not a good model for investigating the potential toxic effects of ENMs in terms of these endpoints. Uptake of the nanoparticles into the cells, however, was demonstrated by coherent anti-stokes Raman spectroscopy, indicating that this in vitro assay may provide a useful model for studying uptake of ENPs into cells. The studies conducted in this thesis contribute the science base regarding the bioavailability of ENPs in aquatic media as well as highlighting the importance of characterisation of ENPs in understanding their behaviour, uptake and effects in aquatic systems and in fish.
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Rodgers, Christopher John. "Epidemiological studies of the bacterial fish pathogen Yersinia ruckeri." Thesis, University of Plymouth, 1991. http://hdl.handle.net/10026.1/1112.

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A new medium, designated Ribose Ornithine Deoxycholate agar (ROD), was developed and used in field trials at two fish farms where fish were known to have ERM. The medium indicated that Yersinia ruckeri could occur in faeces four to six weeks before appearing in the kidney. Fxurther epidemiological studies dealing with fish condition, performance, disease signs and water isolation are presented. These factors are discussed in relation to husbandry and management practices. The minimum uihibitory concentration (MIC) values for 124 strains of F. ruckeri were detemuned. The effect of oxolinic acid, oxytetracycline and a potentiated sulphonamide, on growth patterns over a 72 h period, was also determined. Results showed the bactericidal or bacteriostatic nature of each antimicrobial agent. It was possible to increase the MIC for oxoUnic acid, oxytetracycline and a potentiated sulphonamide usmg an in vitro technique. Attempts to decrease resistance to oxolinic acid were unsuccessful. However, it was possible to reduce the MIC's for o^etracycline and a potentiated sulphonamide. The recovery of Y. ruckeri, after artificial challenge, was less from the faecal and kidney material of a vaccinated group of fish compared with a non-vaccinated group. An E L I S A technique indicated that although there was no detectable serum antibody there was a local mucosal response i n vaccinated fish. Uptake of F. ruckeri antigen was demonstrated in vaccinated and non-vaccinated fish using an immunoperoxidase technique. However, only vaccinated fish appeared to take up the antigen by an active process. A survey of salmonid farms showed that there was a tendency for those sites where ERM had been diagnosed, irrespective of vaccination, to be larger table farms with production ranging up to over 200 tonnes p:a. Certain environmental and husbandry factors were reported as coinciding with the appearance of F. ruckeri. A slight tendency to consider that vaccines had failed i n some way was also indicated. This and the use of antimicrobial agents are discussed.
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Nash, Jon Patrick. "Physiological control of reproductive seasonality in the rainbow trout, Oncorhynchus mykiss." Thesis, University of Sheffield, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.369946.

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Findlay, Cameron. "A study of lymphocyte heterogeneity in the rainbow trout, Oncorhynchus mykiss." Thesis, University of Stirling, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.259902.

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Dufresne, Isabelle. "Shelf-life and safety studies on rainbow trout fillets packaged under modified atmospheres." Thesis, McGill University, 1999. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=30371.

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The combined effect of various gas packaging atmospheres (air, vacuum and gas packaging), films of different oxygen transmission rate (OTR) and storage temperature (4 and 12°C) were investigated on the shelf-life and safety of flesh rainbow trout fillets.
Preliminary studies were done to determine the optimum packaging atmospheres to maintain the bright pink color of trout packaged in a high gas barrier film. Both vacuum and gas packaging (85% CO2:15%N2) resulted in the longest shelf-life (~28 days) in terms of color at 4°C. Based on these optimum gas atmospheres for color, shelf-life studies were performed at both refrigerated and temperature abuse conditions (12°C).
Challenges studies were also done with Listeria monocytogenes and Clostridium botulinum type E, two psychrotrophic pathogens of concern in modified atmosphere packaged (MAP) fish.
Subsequent studies were done to determine the effect of various levels of headspace oxygen (0--100%, balance CO2) or film OTR on the time to toxicity in trout stored at 12°C. (Abstract shortened by UMI.)
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Weatherup, Robert Norman. "Dietary factors affecting growth and body composition of farmed rainbow trout (Oncorhynchus mykiss)." Thesis, Queen's University Belfast, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.295436.

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Page, Gregory Ian. "Physiological and biochemical factors affecting carotenoid utilization in salmonid fish." Thesis, University of Plymouth, 2001. http://hdl.handle.net/10026.1/2383.

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Carotenoid utilization in rainbow trout (Oncorhynchus mykiss Walbaum) and Atlantic salmon (Salmo salar L.) has been investigated with respect to tissue distribution of carotenoids and the role of the liver on the bioavailability of the lipid soluble carotenoids, astaxanthin and canthaxanthin. Species-specific and tissue-specific accumulations were noted for astaxanthin and canthaxanthin in the rainbow trout and Atlantic salmon, possibly indicating fundamental differences in their utilization in these species. The liver and the kidney were revealed to be the major tissues involved in carotenoid metabolism in both rainbow trout and Atlantic salmon. Apparent digestibilities (-96% and -30% for rainbow trout and Atlantic salmon, respectively) and flesh carotenoid retentions (-12% and -5.4% for rainbow trout and Atlantic salmon, respectively) differed significantly between species, suggesting that rainbow trout are more efficient depositors of carotenoids within the flesh. Isolated rainbow trout liver perfusion experiments revealed small differences in the uptake of astaxanthin and canthaxanthin. Uptake of astaxanthin in both synthetically-derived and serum-derived models showed saturable uptake mechanism that occurred earlier than for canthaxanthin. These results can potentially offer an explanation for the better utilization of astaxanthin in rainbow trout, where the liver reduces the bioavailability of canthaxanthin through continued uptake. Results show a low hepatic extraction ratio (0.03-0.07), in line with published post-prandial elimination rates. Neither astaxanthin nor canthaxanthin significantly induced hepatic or renal xenobiotic-metabolizing enzymes in the rainbow trout, contrary to published reports in rats and mice. This may imply fundamental species-specific differences in the metabolic pathways for these carotenoids. Histochemical investigations revealed that both carotenoids significantly impacted liver structure, resulting in higher levels of total lipids and mucopolysaccharides. This is thought to be due to their antioxidant functions and their provitamin A activity. Carotenoid-treated fish also had higher levels of glycogen phosphorylase in liver sections, providing the first evidence in fish for the possibility of glucuronidation of their metabolites. The present investigations demonstrate the liver to be a major organ in carotenoid metabolism, and consequently affects carotenoid distribution and availability. In addition, carotenoid supplementation significantly affects liver structure and may potentially enhance its function. Furthermore, these investigations have provided new avenues of investigation into the use of isolated organ perfusions for biochemical nutrition research, and expanded the knowledge of liver physiology and biochemistry.
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Taylor, Lisa N. McDonald D. G. "Physiological indicators of waterborne copper toxicity in freshwater fish /." *McMaster only, 2002.

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Hepkema, Frank Watze. "Cellular and molecular studies on factors influencing lymphocyte-phagocyte interactions in fish." Thesis, University of Aberdeen, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.294207.

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The molecular biology of macrophage activating and deactivating cytokines and their receptors was discussed. Comparison of IFN-γ amino acid sequences of several mammalian species reveals a low conservation of amino acids. The interaction of IFN-γ with its receptor system is complicated and coherent with the species specificity of IFN-γ. Identification by PCR of an IFN-γ-like gene in the trout genome was not possible. In contrast with IFN-γ, TGF-β is very conserved in its amino acid sequence. The PCR-amplification of a TGF-β fragment from amphibian, Xenopus, and rainbow trout cDNA libraries was possible. Two oligonucleotide primers were used in PCRs to amplify a 360 bp fragment of trout Mhc class II β chain. Using these two oligos, this 360 bp fragment could be amplified from trout spleen cDNA library and HK leucocytes. cDNA synthesized from RNA extracted from ConA/PMA stimulated HK leucocytes was used as template DNA in PCR, and a class II specific fragment was amplified. This class II fragment could not be amplified from HK macrophages treated with a MAF containing supernatant, although HK macrophages treated with a control supernatant did express class II molecules. This could suggest that priming or activation of trout macrophages results in a decreased expression of Mhc class II antigens. A novel method for analysing 5'nucleotidase activity of head kidney macrophages was optimised for use with cell monolayers, with respect to the effect of cell numbers, temperature and substrate concentration. Both lysed and whole cells could be used for determination of 5'nucleotidase activity. Maximal 5'nucleotidase activity was found in the range of 27°C to 33°C and using a substrate concentration of ≥ 1 μmol AMP ml-1 for whole cells and ≥ 1.5 μmol AMP ml-1 for lysed cells. 5'nucleotidase activity was also correlated with respiratory burst activity in cells treated with a variety of supernatants containing MAF activity. A significant inverse relationship between these two activities was found. MAF-treated cells were also found to lose 5'nucleotidase activity faster than control cells in the presence of cycloheximide, suggesting such cells may have a higher membrane turnover of this enzyme.
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Azam, Khairul. "Factors affecting the post-mortem quality of farmed fish with particular reference to methods of stunning." Thesis, University of Strathclyde, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.302594.

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Books on the topic "Rainbow fish"

1

The rainbow fish. New York: North-South Books, 1992.

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Pfister, Marcus. The Rainbow fish. New York: North-South, 1992.

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Rainbow fish opposites. New York: North-South Books, 2005.

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Pfister, Marcus. The rainbow fish. New York: North-South Books, 1996.

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Pfister, Marcus. The Rainbow Fish. S.l: EDICIONES NORTE-SUR, 1995.

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Pfister, Marcus. The rainbow fish. Union City: Pan Asian, 1995.

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Playtime with Rainbow Fish. New York: Night Sky Books, 2003.

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Pfister, Marcus. Rainbow fish: Finders keepers. New York: HarperFestival, 2002.

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Sander, Sonia. Rainbow Fish: Tattle tale. [New York]: HarperFestival, 2002.

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Sander, Sonia. Rainbow fish: Tattle tale. [New York]: HarperFestival, 2002.

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Book chapters on the topic "Rainbow fish"

1

Stehly, Guy R., Jeffery R. Meinertz, and William H. Gingerich. "Comparative Pharmacokinetics of Sarafloxacin in Rainbow Trout and Channel Catfish." In Xenobiotics in Fish, 123–31. Boston, MA: Springer US, 1999. http://dx.doi.org/10.1007/978-1-4615-4703-7_9.

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Schultz, I. R., and W. L. Hayton. "Predicting the Toxicokinetics of Trifluralin in Rainbow Trout Using Clearance-Volume Pharmacokinetic Models." In Xenobiotics in Fish, 133–48. Boston, MA: Springer US, 1999. http://dx.doi.org/10.1007/978-1-4615-4703-7_10.

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Dixon, O. W., D. P. Anderson, R. Kimenai, and E. F. Lizzio. "Longevity of Rainbow Trout Antibody-Producing Cells after in Vitro Immunization Culture." In Invertebrate and Fish Tissue Culture, 228–31. Berlin, Heidelberg: Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/978-3-642-73626-1_54.

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Furne, Miriam, and Ana Sanz. "Starvation in Fish – Sturgeon and Rainbow Trout as Examples." In Handbook of Famine, Starvation, and Nutrient Deprivation, 1–16. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-40007-5_14-1.

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Furne, Miriam, and Ana Sanz. "Starvation in Fish: Sturgeon and Rainbow Trout as Examples." In Handbook of Famine, Starvation, and Nutrient Deprivation, 2103–18. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-319-55387-0_14.

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Curry, R. Allen, Steve L. Currie, Louis Bernatchez, and Robert Saint-Laurent. "The rainbow smelt, Osmerus mordax, complex of Lake Utopia: threatened or misunderstood?" In Genetics of Subpolar Fish and Invertebrates, 153–66. Dordrecht: Springer Netherlands, 2004. http://dx.doi.org/10.1007/978-94-007-0983-6_12.

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Anderson, D. P., T. Kitao, T. Yoshida, and O. W. Dixon. "Investigations of Antibody-Producing Cells from Spleens and Anterior Kidneys of Rainbow Trout, Striped Bass and Goldfish." In Invertebrate and Fish Tissue Culture, 232–35. Berlin, Heidelberg: Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/978-3-642-73626-1_55.

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Overturf, Ken, Dan Bullock, Scott LaPatra, and Ron Hardy. "Genetic selection and molecular analysis of domesticated rainbow trout for enhanced growth on alternative diet sources." In Genetics of Subpolar Fish and Invertebrates, 409–18. Dordrecht: Springer Netherlands, 2004. http://dx.doi.org/10.1007/978-94-007-0983-6_33.

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Kobayashi, Toru, Shozo Fushiki, and Koichi Ueno. "Improvement of sperm motility of sex-reversed male rainbow trout, Oncorhynchus mykiss, by incubation in high-pH artificial seminal plasma." In Genetics of Subpolar Fish and Invertebrates, 419–25. Dordrecht: Springer Netherlands, 2004. http://dx.doi.org/10.1007/978-94-007-0983-6_34.

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Van Winkle, Webster, Brian J. Shuter, Brady D. Holcomb, Henriette I. Jager, Jeffrey A. Tyler, and Shree Y. Whitaker. "Regulation of energy acquisition and allocation to respiration, growth and reproduction: simulation model and example using rainbow trout." In Early Life History and Recruitment in Fish Populations, 103–37. Dordrecht: Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-009-1439-1_4.

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Conference papers on the topic "Rainbow fish"

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Pyanov, Dmitry, Ksenia Molchanova, Evgeny Khrustalev, and Artem Delmukhametov. "The chemical composition of two commercial fish species – pikeperch (Sander Lucioperca) and rainbow trout (Oncorhynchus Mykiss) cultivated in artificial conditions." In Baltic Conference on Food Science and Technology FOODBALT “Food for consumer well-being”. Latvia University of Agriculture. Faculty of Food Technology., 2017. http://dx.doi.org/10.22616/foodbalt.2017.006.

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Liu, Geng, and Haibo Dong. "Effects of Tail Geometries on the Performance and Wake Pattern in Flapping Propulsion." In ASME 2016 Fluids Engineering Division Summer Meeting collocated with the ASME 2016 Heat Transfer Summer Conference and the ASME 2016 14th International Conference on Nanochannels, Microchannels, and Minichannels. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/fedsm2016-7691.

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Swimming fishes exhibit remarkable diversities of the caudal fin geometries. In this work, a computational study is conducted to investigate the effects of the caudal fin shape on the hydrodynamic performance and wake patterns in flapping propulsion. We construct the propulsor models in different shapes by digitizing the real caudal fins of fish across a wide range of species spanning homocercal tails with low aspect ratio (square shape used by bluegill sunfish, rainbow trout, etc.) or high aspect ratio (lunate shape adopted by tuna, swordfish, etc.), and even heterocercal caudal fin adopted by sharks. Those fin models perform the same flapping motion in a uniform flow to mimic fish’s forward swimming. We then simulate the flow around the flapping fins by an in-house immersed-boundary-method based flow solver. According to the analysis of the hydrodynamic performance, we have found that the lunate shape model (high aspect-ratio) always generates a larger thrust compared to other models. The comparison of the propulsive efficiency shows that the large aspect ratio fins (tuna and shark) have a higher efficiency when the Strouhal number (St) is in the range of steady swimming (0.2<St<0.4), while the lower aspect ratio caudal fins (catfish, trout, etc.) are more efficient when St>0.4, in which the fish is accelerating or maneuvering. Finally, the 3D wake patterns of those propulsors are analyzed in detail.
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Niemi, Seppo, Ville Vauhkonen, Erkki Hiltunen, Sampo Virtanen, Toomas Karhu, Krister Ekman, Heikki Salminen, and Sanna Appelberg. "Results of an Off-Road Diesel Engine Driven With Different Animal Fat Based Biofuels." In ASME 2009 Internal Combustion Engine Division Fall Technical Conference. ASMEDC, 2009. http://dx.doi.org/10.1115/icef2009-14010.

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The demand for increased use of biofuels in both on- and off-road diesel engines is growing. The carbon dioxide emissions must be reduced, but the increase in the petroleum prices and possible shortage of crude oil also promote the interest in biofuels. Simultaneously, exhaust pollutants of diesel engines have to be drastically reduced. The nitrogen oxides (NOx) and particulate matter (PM) form the main challenge for diesel exhaust cleaning. Despite the emissions reduction, the fuel economy of the engines should be kept at a sufficient level to also prevent the CO2 increase. In the present study, a turbocharged, inter-cooled direct-injection off-road diesel engine was driven with two animal fat based bio-fuels, namely steelhead (or rainbow trout) methyl ester (StME) and crude steelhead oil (StO). Crude or neat biofuels are also of interest since medium-speed engines are able to burn unrefined bio-oils. A vegetable oil based fuel, canola oil methyl ester (RME) served as the main reference biofuel. The baseline results were measured with commercial low-sulfur diesel fuel oil (DFO). The main aim of the project was to clarify how the waste-derived animal fat based biofuels are suited to engine use. The performance and emissions characteristics of the engine were determined. In addition to regulated emissions, the particle size distributions were also examined. The results showed that the studied animal fat derived ester was very suitable for the off-road test engine. NOx increased but hydrocarbons (HC), smoke, and PM mass decreased (by up to 60%) while thermal efficiency and carbon monoxide (CO) remained approximately unchanged. The particle number emissions were competitive relative to DFO. Raw fish oil StO reduced HC emissions but increased NOx and particle mass and number emissions. CO and smoke behaved ambiguously, so further investigation is needed for this fuel.
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Bai, Xiao-Dong, Yun-Peng Zhao, Guo-Hai Dong, and Chun-Wei Bi. "Investigation on the Probabilistic Distribution of the Stress Range of Net Cage Floater of Fish Cage for Fatigue Life Prediction." In ASME 2018 37th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/omae2018-78760.

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The failure risk of fish cages has increased in the harsher environmental conditions as fish farms have moved into the open sea in recent years. Fatigue failure is an important limit state for the floating system of the fish cage under the long-term action of waves. This study is presented to investigate the applicable probability density function for estimating fatigue life of the high-density polyethylene (HDPE) floating collars. The stress response of the floating collars system in random wave is firstly analyzed based on the finite element analysis combined with a hydrodynamic model. The stress histories of floating collars under each sea state are counted using the rainflow method as a benchmark for fatigue frequency domain analysis. The distribution of stress range was fitted by various probability density functions including Rayleigh, Weibull, Gamma and generalized extreme value (GEV) distributions. Comparisons of the estimated fatigue life using different distributions with rainflow statistic results were performed. Results indicate fatigue estimation based on the GEV and Gamma distributions by removing the negligible low stress range give much more accurate fatigue damage results of the short-term stress range distribution. While Weibull distribution overestimates the fatigue lifetime of the floating collar based on the short-term distribution of stress ranges.
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Reports on the topic "Rainbow fish"

1

Geisthardt, Eric, Burton Suedel, and John Janssen. Monitoring the Milwaukee Harbor breakwater : an Engineering With Nature® (EWN®) demonstration project. Engineer Research and Development Center (U.S.), March 2021. http://dx.doi.org/10.21079/11681/40022.

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The US Army Corps of Engineers (USACE) maintains breakwaters in Milwaukee Harbor. USACE’s Engineering With Nature® (EWN®) breakwater demonstration project created rocky aquatic habitat with cobbles (10–20 cm) covering boulders (6–8 metric tons) along a 152 m section. A prolific population of Hemimysis anomala, an introduced Pontocaspian mysid and important food source for local pelagic fishes, was significantly (p < .05) more abundant on cobbles versus boulders. Food-habits data of alewife (Alosa pseudoharengus) and rainbow smelt (Osmerus mordax) provided evidence that H. anomala were a common prey item. Night surveys and gill netting confirmed O. mordax preferred foraging on the cobbles (p < .05) and consumed more H. anomala than at the reference site (p < .05). H. anomala comprised a significant portion of the diets of young-of-the-year (YOY) yellow perch (Perca flavescens), YOY largemouth bass (Micropterus salmoides), and juvenile rock bass (Ambloplites rupestris) caught on the breakwater. The natural features’ construction on the breakwater increased the available habitat for this benthopelagic macroinvertebrate and created a novel ecosystem benefiting forage fish and a nursery habitat benefiting nearshore game fish juveniles. These data will encourage the application of EWN concepts during structural repairs at other built navigation infrastructure.
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Dana Wessels, Dana Wessels. Something's fishy: the effects of non-native rainbow trout farming on Neotropical cloud forest streams. Experiment, October 2016. http://dx.doi.org/10.18258/8008.

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