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Journal articles on the topic 'Fish Mortality'

Author: Grafiati

Published: 4 June 2021

Last updated: 26 July 2025

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1

Ellis, Tim, Iain Berrill, Jeff Lines, James F. Turnbull, and Toby G. Knowles. "Mortality and fish welfare." Fish Physiology and Biochemistry 38, no. 1 (2011): 189–99. http://dx.doi.org/10.1007/s10695-011-9547-3.

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2

Eddy, Suprayitno. "THE INFLUENCE OF FISH MORTALITY ON THE FRESHNESS OF FISH." International Journal of Research - Granthaalayah 6, no. 2 (2018): 80–85. https://doi.org/10.5281/zenodo.1186214.

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Fish is one of the freshly prepared high-protein foodstuffs. Fish protein needs by the body to speed up the digestion process by the similar function as human proteins. Protein has a function as growth, regulatory and former energy. Moreover, fish is the perishable product which is easy to spoil and cause decreasing quality. One of the factors that the caused the decreasing quality of fish is death method. Where fish that the long process of decay death proved more rapid than the fish that quickly intervening died calmly. This research was conducted to investigate the effect of fish mortality

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3

Suprayitno, Eddy. "THE INFLUENCE OF FISH MORTALITY ON THE FRESHNESS OF FISH." International Journal of Research -GRANTHAALAYAH 6, no. 2 (2018): 80–85. http://dx.doi.org/10.29121/granthaalayah.v6.i2.2018.1547.

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Fish is one of the freshly prepared high-protein foodstuffs. Fish protein needs by the body to speed up the digestion process by the similar function as human proteins. Protein has a function as growth, regulatory and former energy. Moreover, fish is the perishable product which is easy to spoil and cause decreasing quality. One of the factors that the caused the decreasing quality of fish is death method. Where fish that the long process of decay death proved more rapid than the fish that quickly intervening died calmly. This research was conducted to investigate the effect of fish mortality

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4

Aravanis, Theofanis, Ioannis Hatzilygeroudis, and Georgios Spiliopoulos. "Ensemble Modelling for Predicting Fish Mortality." Applied Sciences 14, no. 15 (2024): 6540. http://dx.doi.org/10.3390/app14156540.

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This paper proposes a novel ensemble approach, integrating Artificial Neural Networks (ANNs), Symbolic Regression (SR), and Decision Trees (DTs), to predict fish mortality caused by infectious diseases. The intensifying global burden of fish diseases threatens the sustainability of aquatic ecosystems and the aquaculture industry, necessitating sophisticated modelling strategies for effective disease management and control. The proposed approach capitalizes on the non-linear data modelling strength of ANNs, the explanatory power of SR, and the decision-making efficiency of DTs, offering both pr

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5

Hedström, Per, David Bystedt, Jan Karlsson, Folmer Bokma, and Pär Byström. "Brownification increases winter mortality in fish." Oecologia 183, no. 2 (2016): 587–95. http://dx.doi.org/10.1007/s00442-016-3779-y.

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6

FOTIS (Γ. ΦΩΤΗΣ), G., and I. KIRKOUDIS (Ι. ΚΥΡΚΟΥΔΗΣ). "Clostrìdìum botulinum - A cause of fish mortality." Journal of the Hellenic Veterinary Medical Society 52, no. 1 (2018): 65. http://dx.doi.org/10.12681/jhvms.15409.

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Clostridium botulinum type E proliferates in dead aquatic animals and sediments and it is distributed by water currents and infected fish. Botulism is a disease with great significance for both aquacultured fish and humans. The existing data about the subject are very few, and the aim of the present paper is to warn fish farmers and pathologists about the possibility of outbreaks in Greece.

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7

Travers, Morgane, and Yunne Jai Shin. "Spatio-temporal variability in fish-induced predation mortality on plankton: A simulation approach using a coupled trophic model of the Benguela ecosystem." Progress in oceanography 84, no. 1-2 (2010): 118–20. https://doi.org/10.1016/j.pocean.2009.09.014.

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We investigate the potential predation pressure that would affect plankton communities spatially and seasonally using a coupled model, where fish-induced predation mortality is explicit. In the southern Benguela ecosystem, the fish model OSMOSE is forced by a biogeochemical model providing plankton prey fields. We analyse the resulting potential predation mortality rate on copepods. Spatially, this mortality rate is higher on the South coast (Agulhas bank) than on the West coast (upwelling zone), reflecting a lower plankton concentration compared to food requirement for fish. Temporally, fish-

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8

Fetherman, Eric R., Brad Neuschwanger, Chris Praamsma, and Tracy Davis. "Concentration, Life Stage, Feeding, Density, Flow, and Strain Effects on Formalin Sensitivity in Rainbow Trout (Oncorhynchus mykiss)." Animals 13, no. 15 (2023): 2425. http://dx.doi.org/10.3390/ani13152425.

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Formalin is one of the most widely used and effective chemotherapeutic compounds for treatment of fungal infections and external parasites of fish eggs and fish. However, exposure to formalin can cause mortality in eggs and fingerlings, dependent upon the concentration used and the rearing conditions in which fish are treated. Additionally, strains within a species can exhibit differential susceptibility to formalin. Four experiments were conducted to evaluate the differential sensitivity to formalin of four rainbow trout (Oncorhynchus mykiss) strains in both the egg and fingerling life stages

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9

Zhang, Bo, Ke Xiong, Jing Cai, and Aiguo Ma. "Fish Consumption and Coronary Heart Disease: A Meta-Analysis." Nutrients 12, no. 8 (2020): 2278. http://dx.doi.org/10.3390/nu12082278.

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Epidemiological studies on the impact of fish consumption on coronary heart disease (CHD) incidence have shown inconsistent results. In addition, in terms of CHD mortality, although previous meta-analyses showed that fish consumption reduces the risk of CHD, six newly incorporated studies show that fish consumption has no impact on CHD. Therefore, the results still need to be verified. The purpose of this study is to quantitatively evaluate the impact of fish consumption on CHD incidence and mortality. Relevant studies were identified from PubMed, Web of Science, and Embase databases up to Oct

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10

Davis, M. W. "Simulated fishing experiments for predicting delayed mortality rates using reflex impairment in restrained fish." ICES Journal of Marine Science 64, no. 8 (2007): 1535–42. http://dx.doi.org/10.1093/icesjms/fsm087.

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Abstract Davis, M. W. 2007. Simulated fishing experiments for predicting delayed mortality rates using reflex impairment in restrained fish. – ICES Journal of Marine Science, 64: 1535–1542. Development of efficient methods to predict discard and escapee mortality in fishing operations is essential to the conservation of sensitive fish stocks. For a few fisheries, mortality data are available from fishing experiments in the field; these require long-term holding or monitoring of fish in tanks, cages, or tag and recapture experiments to detect delayed mortality. A different approach to predictin

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11

Garcia, F., F. R. Moraes, and M. L. Martins. "Challenge of pacu (Piaractus mesopotamicus) fed diets supplemented with vitamins C and E by Aeromonas hydrophila under different temperature." Arquivo Brasileiro de Medicina Veterinária e Zootecnia 61, no. 2 (2009): 378–85. http://dx.doi.org/10.1590/s0102-09352009000200014.

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Pacu Piaractus mesopotamicus fed diets supplemented with three vitamins C and E levels (zero, 250, and 500mg vitamin/kg diet) were challenged with Aeromonas hydrophila under different temperatures. Fish were kept in 300L plastic tanks and fed during the first 60 days with diets without vitamins C and E, in an attempt to reduce vitamin sources. After this period, fish were maintained at an initial density of 14 fish/tank and test diets were offered during 60 days. At the end of the experiment, all fish were infected with 6×10(6)CFU of A. hydrophila/fish, intraperitoneally injected. No interacti

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12

Chadijah, Andi, and Sulistiono Sulistiono. "Pertumbuhan dan Mortalitas Ikan Endemik Opudi (Telmatherina prognatha Kottelat, 1991) di Danau Matano, Sulawesi Selatan." Jurnal Ilmu Pertanian Indonesia 26, no. 1 (2020): 92–97. http://dx.doi.org/10.18343/jipi.26.1.92.

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Lake Matano is an ancient lake that has a high endemicity. Opudi fish (Telmatherina prognatha) is an endemic fish that is vulnerable to extinction and needs to be preserved. The threat of invasive species and habitat degradation can cause a decrease in opudi fish populations. This study aimed to examine the growth parameters associated with growth coefficients and mortality in Lake Matano so that population can be sustainable. The study was conducted at Lake Matano from March 2018 to February 2019. Samples of fish were caught using a net bag measuring 30 m long, 2 m wide with a mesh size of 0.

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13

Ahmad, A., A. N. Susanto, and Y. J. Hamisi. "Population structure of Indian scad fish (Decapterus russelli) that was landed at the Nusantara Fishing Port of Ternate, North Maluku, Indonesia." IOP Conference Series: Earth and Environmental Science 890, no. 1 (2021): 012062. http://dx.doi.org/10.1088/1755-1315/890/1/012062.

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Abstract Indian scad fish (Decapterus russelli) is a small pelagic fish species commonly caught in Indonesian seas. Excessive fishing efforts can cause population degradation, so it is necessary to understand its population structure. The purpose of this study was to analyze the population structure parameters of Indian scad fish, including growth parameters, cohort, and mortality. Sampling was done by Stratified Random Sampling method. Data analysis used the FISAT II application. Study results showed that there were 4 cohorts. The growth parameters of Indian scad fish obtained asymptote lengt

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14

Craig, J. F. "Aging in fish." Canadian Journal of Zoology 63, no. 1 (1985): 1–8. http://dx.doi.org/10.1139/z85-001.

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Theories on aging are well advanced but empirical data lag far behind them mainly because few fish populations are unexploited and are allowed to reach old age. There is more evidence supporting the theory of genetic aging controlled by a biological clock than aging by random damage, but the two are probably interconnected. Growth and natural mortality are closely correlated between and within species and populations. Fast growth and early maturity curtail the life-span; slow growth and late maturity have the reverse effect. There appears to be a trade-off between reproductive effort and longe

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15

Jalila Johari, Mohammad Ayuob, Hasri Mustafa. "DETERMINANTS OF THE MORTALITY OF PATIN FISH IN TEMERLOH, PAHANG, MALAYSIA." GLOBAL MAINSTREAM JOURNAL 3, no. 4 (2024): 1–24. http://dx.doi.org/10.62304/jbedpm.v3i4.146.

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This study explores the factors influencing Patin fish mortality in Malaysia's expanding aquaculture industry, which is crucial for meeting the rising global demand for fish and seafood. Analysing data from 135 fish farmers through SPSS Software, it finds significant correlations between mortality rates and variables like fish species, time until sale, and fish quantity per cage. At the same time, factors such as partnership numbers and feeding frequency have minimal impact. These results highlight the critical role of water quality management in fish health and production costs. The findings

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16

Czarkowski, Tomasz K., and Andrzej Kapusta. "The impact of angling experience on the efficiency of float fishing using different hook types." Fisheries & Aquatic Life 27, no. 1 (2019): 41–46. http://dx.doi.org/10.2478/aopf-2019-0005.

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Abstract The aim of the study was to compare the catch efficiency of novice and experienced anglers float fishing with different hook types. The mortality of fish that were caught and released was determined based on the experience of the angler and the type of hook used. The mean catch rates of the experienced angler was 46.7 fish per hour, while that of the novice angler was 33.7 fish per hour. The landing efficiency of fish using hooks with micro-barbs was higher than that with barbless hooks. Angling experience had a significant impact on the mean time required to unhook caught fish and al

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17

Loftus, Andrew J., William W. Taylor, and Myrl Keller. "An Evaluation of Lake Trout (Salvelinus namaycush) Hooking Mortality in the Upper Great Lakes." Canadian Journal of Fisheries and Aquatic Sciences 45, no. 8 (1988): 1473–79. http://dx.doi.org/10.1139/f88-172.

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Investigation of lake trout (Salvelinus namaycush) hooking mortality was conducted in Lakes Michigan, Huron, and Superior during 1984 and 1985. Fish were caught and handled by charterboat operators and sport fishermen. Mortality was estimated by returning hooked fish to the lake after tethering them to a line–buoy system. Overall hooking mortality was estimated to be 14.9% (95% C.I. = 7.4–25.7). Significantly higher mortalities occurred in fish that were not discovered to have been hooked and in fish of smaller size classes. In addition, lake trout that were hooked in internal regions produced

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18

Ostrand, Kenneth G., Michael J. Siepker, and David H. Wahl. "Effectiveness of Livewell Additives on Largemouth Bass Survival." Journal of Fish and Wildlife Management 2, no. 1 (2011): 22–28. http://dx.doi.org/10.3996/092010-jfwm-037.

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Abstract Livewell conditions during competitive angling events are thought to affect fish mortality. We examined the effects of livewell additives on initial and delayed mortality of largemouth bass Micropterus salmoides. We applied three treatments (salt, ice, or salt and ice) to livewells during tournaments conducted on lakes in Illinois, United States, as well as in laboratory and pond experiments designed to examine the effects of fish size and ambient water temperature on mortality. Fish were collected after tournament weigh-in procedures were completed and monitored for delayed mortality

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19

Makmur, Safran, Siti Nurul Aida, Tuah Nanda Merlia Wulandari, et al. "Population dynamics of snakehead (Channa striata) and marble goby (Oxyeleotris marmorata), their management in Bilibili Reservoir, South Sulawesi." E3S Web of Conferences 442 (2023): 01022. http://dx.doi.org/10.1051/e3sconf/202344201022.

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Bilibili Reservoir in Gowa Regency, South Sulawesi, has multipurpose functions. This study aims to estimate population dynamic parameters of snakehead and marble goby fish. Research and data collection were carried out from March to August 2020. Fish samples were obtained from fishermen’s catch using gill nets, longlines and nets. Analysis using Microsoft Excel data processing application and FISAT program. The results for snakehead fish, infinity length (L∞) 41.16 cm, growth coefficient (K) 0.6 per year and theoretical age (to) 0.24 years. Natural mortality rate (M) is 1.188 per year, the tot

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20

Auld, Garry. "Fish consumption and cardiovascular mortality in Canada." Journal of Nutrition Education 21, no. 1 (1989): 10. http://dx.doi.org/10.1016/s0022-3182(89)80229-8.

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21

JANCIN, BRUCE. "Fish Oil Cuts Heart Failure Morbidity, Mortality." Internal Medicine News 41, no. 19 (2008): 36. http://dx.doi.org/10.1016/s1097-8690(08)71105-3.

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22

TARAZONA, J. V., MaJ MUŃOZ, J. A. ORTIZ, MaO NUNÉZ, and J. A. CAMARGO. "Fish mortality due to acute ammonia exposure." Aquaculture Research 18, no. 2 (1987): 167–72. http://dx.doi.org/10.1111/j.1365-2109.1987.tb00135.x.

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23

Nandan, S. Bijoy, and P. K. Abdul Azis. "Fish Mortality from Anoxia and Sulphide Pollutions." Journal of Human Ecology 6, no. 2 (1995): 97–104. http://dx.doi.org/10.1080/09709274.1995.11907139.

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24

Sanches, R. A. K., and P. A. Piana. "The influence of catch-and-release on mortality of Salminus brasiliensis (Cuvier, 1816)." Brazilian Journal of Biology 80, no. 4 (2020): 705–10. http://dx.doi.org/10.1590/1519-6984.204168.

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Abstract Catch-and-release (CR) angling has been used to assist management programs seeking to promote the conservation and recovery of some recreational fish stocks by decreasing mortality from fishing. However, without appropriate fish handling, this activity may cause damage and injuries to individual fish, causing mortality. Therefore, CR should be allowed under some circumstances that ensure higher rates of survival to achieve the goals of the conservation measures. Thus, we experimentally tested the CR effects on dourado (Salminus brasiliensis) by comparing caught-and-released fish (CR f

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25

Alós, Josep. "Influence of anatomical hooking depth, capture depth, and venting on mortality of painted comber (Serranus scriba) released by recreational anglers." ICES Journal of Marine Science 65, no. 9 (2008): 1620–25. http://dx.doi.org/10.1093/icesjms/fsn151.

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Abstract Alós, J. 2008. Influence of anatomical hooking depth, capture depth, and venting on mortality of painted comber (Serranus scriba) released by recreational anglers. – ICES Journal of Marine Science, 65: 1620–1625. Immediate (4–5 h) and delayed (10 d) hooking mortality for released fish kept in tanks was evaluated for painted comber (Serranus scriba) taken by the recreational fishery of the Balearic Islands (western Mediterranean). Results showed low rates of immediate (10.8%) and delayed (3.3%) hooking mortality, a total mortality of 14.1%. Anatomical hook location and capture depth we

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26

McFarlane, Gordon A., and Richard J. Beamish. "Effect of an External Tag on Growth of Sabiefish (Anoplopoma fimbria), and Consequences to Mortality and Age at Maturity." Canadian Journal of Fisheries and Aquatic Sciences 47, no. 8 (1990): 1551–57. http://dx.doi.org/10.1139/f90-175.

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Tagged juveniles from a strong year-class of sablefish (Anoplopoma fimbria) were sampled for 9 yr Tagged females were approximately 6 cm larger than untagged females at 50% maturity. Males showed little difference because of their slower growth rate. Untagged males and females matured one and 2 yr earlier than tagged males and females. From this same year-class length-at-age of untagged males and females was significantly larger than for tagged and recaptured fish. Untagged males and females were 6.5 and 8 cm larger than tagged fish by age seven. Smaller tagged fish were recaptured at lower ra

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27

Geraci, Michele Luca, Giacomo Sardo, Fabio Falsone, et al. "Escape Survival and Scale Damage Assessment of Red Mullet (Mullus barbatus Linnaeus, 1758) during Bottom Trawling in the Central Mediterranean Sea." Biology 12, no. 5 (2023): 649. http://dx.doi.org/10.3390/biology12050649.

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Stock assessments routinely evaluate the status of commercially harvested species, but seldom account for the possible mortality of released or escaping fish. This study presents a method for estimating the escape survival of the red mullet (Mullus barbatus) from demersal trawling in the Central Mediterranean Sea. Fish escaping from the trawl codend were collected in a detachable cage, which was lined to reduce water flow and protect the sampled fish from further fatigue and injury. Control fish (from an open codend) showed high survival, 94% (87–97%, 95% Confidence Interval), and minimal inju

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28

Schultz, Eric T., David O. Conover, and Amir Ehtisham. "The dead of winter: size-dependent variation and genetic differences in seasonal mortality among Atlantic silverside (Atherinidae: Menidia menidia) from different latitudes." Canadian Journal of Fisheries and Aquatic Sciences 55, no. 5 (1998): 1149–57. http://dx.doi.org/10.1139/f97-320.

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Genetic differences among populations of Atlantic silverside (Menidia menidia) are hypothesized to be evolutionary responses to intense, size-selective winter mortality at high latitudes. Three experiments were conducted to test features of winter mortality. In the first experiment, we varied size and whether food was provided or withheld; temperatures were permitted to follow ambient (New York) wintertime fluctuations. Mortality and depletion of energy reserves were more rapid in the units receiving no food. Small fish died before larger fish in these units, but not in the units receiving foo

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29

Pepin, Pierre. "An Appraisal of the Size-Dependent Mortality Hypothesis for Larval Fish: Comparison of a Multispecies Study with an Empirical Review." Canadian Journal of Fisheries and Aquatic Sciences 50, no. 10 (1993): 2166–74. http://dx.doi.org/10.1139/f93-242.

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This study presents an assessment of the size-dependent mortality hypothesis for larval fish from a multispecies survey of Conception Bay, Newfoundland, Canada. Mortality rates are estimated using a length-based method (per millimetre). The results from this survey are consistent with previous studies which indicate that losses decrease with increasing size of fish. However, for each species within this survey, mortality rates are constant. Comparison of mortality rates within species among surveys indicates that as the range of size categories sampled increases, the estimated mortality rates

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30

Yerima, R., LT Jacob, and S. Nazeef. "Acute Toxicity of Glyphosate and Propanil on Clarias gariepinus Juveniles." Greener Journal of Biological Sciences 13, no. 1 (2023): 16–23. https://doi.org/10.5281/zenodo.8141211.

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<strong>The impact of short term exposure to the commonly used herbicides, glyphosate and propanil on <em>Clarias gariepinus</em> juveniles was evaluated using standard methods that assessed fish behavior and mortality. Fish exhibited some behavioral abnormalities such as hyperactivity, hitting of tails against the walls of the holding medium and abnormal swimming. The herbicides caused mortality of fish in a concentration dependent manner for the duration of exposure to acute concentrations of both herbicides for 96 hrs. However, the LC50 value for glyphosate by probit method/analyses was 2.0

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31

Gordoa, Ana, and Carlos M. Duarte. "Size-Dependent Density of the Demersal Fish off Namibia: Patterns within and among Species." Canadian Journal of Fisheries and Aquatic Sciences 49, no. 10 (1992): 1990–93. http://dx.doi.org/10.1139/f92-221.

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The density of the 40 most abundant demersal fish species off Namibia is inversely scaled to their average length, similar to the scaling of mortality to fish length. However, the density of individual fish species is, on average, scaled to the −2 power of average fish length in the aggregates, indicating that biomass increases (slope > −3) during the growth of most species examined. These findings indicate that size structure of these fish populations is primarily determined by mortality.

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32

Rassweiler, Andrew, and Thomas Rassweiler. "Does rapid scavenging hide non-predation mortality in coral-reef communities?" Marine and Freshwater Research 62, no. 5 (2011): 510. http://dx.doi.org/10.1071/mf10194.

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Predation is assumed to be a principal cause of adult fish mortality on coral reefs, and therefore a main pathway by which biomass is passed to higher trophic levels. However, the strength of predation has mostly been demonstrated on juvenile fish, and even with juveniles, when predators are excluded, substantial mortality still occurs. Mortality from causes other than predation is rarely considered, because carrion is not common on coral reefs, but the strength of this inference depends crucially on the rate of scavenging. We tested the hypothesis that removal of carrion through scavenging ma

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33

Priyansah, Sujadi, Nurzaidah Putri Dalimunthe, Juhardi Sembiring, et al. "Eco-friendly feed innovation: An effective strategy to reduce fish mortality rates in Central Bangka." Community Empowerment 10, no. 4 (2025): 894–902. https://doi.org/10.31603/ce.10673.

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Former tin mining land (known locally as camoy or kulong) has the potential to be utilized as fish cultivation land. Kulong possesses potential for fish farming due to its age, which supports the availability of trophic minerals essential for fish life. Fish farmers frequently encounter problems with disease outbreaks and mortality caused by pathogens, leading to low production yields. Improving the quality of the cultivation environment, including reducing sedimentation from commercial feed, is one solution to mitigate fish diseases and mortality. This community service aims to provide traini

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Thi Thu Hien, PHAN, CHU Chi Thiet, PHAN Trong Binh, and NGUYEN Thi Hanh. "SOME COMMON DISEASE INFECTED ON POMPANO (Trachinotus sp.) CULTURED IN RECIRCULATION WATER POND IN CAM XUYEN DISTRICT, HA TINH PROVINCE AND TREATMENT METHOD." Vinh University Journal of Science 53, no. 1A (2023): 114–23. http://dx.doi.org/10.56824/vujs.2023a150.

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The study was conducted on Pompano (Trachinotus sp.) cultured in the circulation water pond from June 2022 to September 2023. The results show that Pompano were negative for the viral pathogens (VNN and Iridovirus). Fish were infected with Vibrio alginolyticus bacteria in both farming crops. The infection rate is 20% and does not cause fish deaths in the June 2022 and April 2023 sampling periods. Meanwhile, in the July 2022 sample collection, the 60% infection rate caused the death of 4.2% of farmed fish. Doxycycline antibiotic used by mixing with food at a dose of 100 mg/kg of fish, feeding f

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35

Davis, Michael W. "Key principles for understanding fish bycatch discard mortality." Canadian Journal of Fisheries and Aquatic Sciences 59, no. 11 (2002): 1834–43. http://dx.doi.org/10.1139/f02-139.

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The mortality of discarded fish bycatch is an important issue in fisheries management and, because it is generally unmeasured, represents a large source of uncertainty in estimates of fishing mortality worldwide. Development of accurate measures of discard mortality requires fundamental knowledge, based on principles of bycatch stressor action, of why discarded fish die. To date, discard mortality studies in the field have focused on capture stressors. Recent laboratory discard experiments have demonstrated the significant role of environmental factors, size- and species-related sensitivity to

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36

Gkikas, Dimitris C., Marios C. Gkikas, and John A. Theodorou. "Fostering Sustainable Aquaculture: Mitigating Fish Mortality Risks Using Decision Trees Classifiers." Applied Sciences 14, no. 5 (2024): 2129. http://dx.doi.org/10.3390/app14052129.

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A proposal has been put forward advocating a data-driven strategy that employs classifiers from data mining to foresee and categorize instances of fish mortality. This addresses the increasing concerns regarding the death rates in caged fish environments because of the unsustainable fish farming techniques employed and environmental variables involved. The aim of this research is to enhance the competitiveness of Greek fish farming through the development of an intelligent system that is able to diagnose fish diseases in farms. This system concurrently addresses medication and dosage issues. T

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37

Wanja, Daniel W., Paul G. Mbuthia, Robert M. Waruiru, et al. "Fish Husbandry Practices and Water Quality in Central Kenya: Potential Risk Factors for Fish Mortality and Infectious Diseases." Veterinary Medicine International 2020 (March 19, 2020): 1–10. http://dx.doi.org/10.1155/2020/6839354.

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Fish mortality has an enormous impact on the aquaculture industry by reducing fish production and slowing industrial growth. A cross-sectional study was carried out in Kirinyaga County, Central Kenya, to evaluate potential risks of fish mortality and disease transmission and suitability of pond water for rearing fish. A semistructured questionnaire that focused on general information, management practices, and disease history was administered to 92 small-scale fish farmers. Parasitological examination of fish sampled from selected farms (farms that were reporting mortality at the time of sampl

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38

Yuan, Quan, Kefeng Li, Yuanming Wang, Qianfeng Ji, and Ruifeng Liang. "Tolerance and Growth of Adult Schizothorax prenanti Exposed and Re-Exposed to Supersaturated Gas Downstream of a Dam." Water 14, no. 16 (2022): 2501. http://dx.doi.org/10.3390/w14162501.

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Total dissolved gas (TDG) is suggested to be one possible explanation for the extensive mortality of endemic fish suffered from gas bubble disease (GBD). We investigated the effects of water depth on adult Schitzothorax prenanti susceptibility to GBD in TDG supersaturated water 11.5 km downstream of Dagangshan dam in a two-year (2016–2017) live cage study. The probability of survival significantly increased at greater depth. The mortality of fish at 1–2 m was reduced to 50% of that at 0–1 m and the mortality rate for fish at 2–3 m was reduced to 25% of that at 0–1 m. Fish that survived in-situ

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Rumagia, F., B. Kaidati, Darmawaty, and K. Nisaa. "Mortality and exploitation rate of some reef fish in Ternate Island Waters." IOP Conference Series: Earth and Environmental Science 890, no. 1 (2021): 012061. http://dx.doi.org/10.1088/1755-1315/890/1/012061.

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Abstract Fish population dynamics are determined by the balance between population increase resulted from growth and addition of new individuals (recruitment), and population decrease due to fishing mortality and natural mortality. It is important to understand fish resources condition, including their change pattern caused by pressures on coral reef fisheries resource in coastal area of Ternate Island. This research aimed to analyze mortality and exploitation rate of several reef fishes that caught at coastal area of Ternate Island. Stock assessment method was used to determine the mortality

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Hernández, D. R., D. R. Aichino, J. J. Santinón, et al. "Winter mortality of freshwater fish associated with parasitic infection." Revista Veterinaria 35, no. 1 (2024): 22–28. http://dx.doi.org/10.30972/vet.3517475.

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This study reports an episode of fish mortality occurred in the Garupá and Pindapoy Grande streams, near the confluence with the Paraná River (Garupá, Argentina). Dead and moribund fish of various species were observed floating on the water surface. Environmental parameters measured were temperature 5 °C, water temperature 15.1 (±0.6) °C, dissolved oxygen 8.7 (±1.2) ppm, pH 7.5 (±0.2), electrical conductivity 67.6 (± 8.8) mS cm-1 and mean depth of 1.7 (±1.0) m. Macroscopic examination of moribund fish revealed corneal opacity, whitish tegument, increased gill mucus, and whitish areas on gill f

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Aldyza, Nadia, Afkar Afkar, Mauizah Hasanah, and Cut Roswita. "Coral mortality and fish abundance in the Marine Nature Reserve of the Eastern Coast of Weh Island, Sabang, Aceh." Arwana: Jurnal Ilmiah Program Studi Perairan 6, no. 2 (2024): 131–38. https://doi.org/10.51179/jipsbp.v6i2.2861.

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Coral reefs play an important role in marine ecosystems as habitats for various species of fish and other marine organisms, as well as protecting the coast from erosion and storms. However, climate change, pollution, human activities, and bleaching have resulted in declining coral conditions. The purpose of this study was to analyze the level of coral mortality and its effect on the abundance of coral fish. The study was conducted in the coastal nature reserve area of East Weh Island. Data collection was carried out at two depths using the Belt Transect method and the Underwater Visual Census

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Anderson, Deena A., and Frederick S. Scharf. "The effect of variable winter severity on size-dependent overwinter mortality caused by acute thermal stress in juvenile red drum (Sciaenops ocellatus)." ICES Journal of Marine Science 71, no. 4 (2013): 1010–21. http://dx.doi.org/10.1093/icesjms/fst041.

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Abstract Mortality during winter can impact the population dynamics of fish at temperate latitudes. The red drum (Sciaenops ocellatus) supports valuable coastal fisheries throughout its range in the southeastern United States. At the northern edge of its distribution, severe winters may cause considerable overwinter loss and size-selective mortality among juveniles. We conducted a series of laboratory experiments to quantify overwinter survivorship of age 0 fish. To determine thermal tolerance, fish were exposed to various minima (1, 3, or 5°C) for up to 14 d. The effect of winter severity on

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Aman, S., B. Aftab, and S. Ahmad. "Assessment of piscicidal effect of five toxicants for the eradication of weed fish Nile tilapia (Oreochromis niloticus)." Journal of the Hellenic Veterinary Medical Society 74, no. 1 (2023): 5137–44. http://dx.doi.org/10.12681/jhvms.27201.

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Unwanted or weed fish in aquaculture pond may affect the growth and development of cultured fish species. The current investigation aimed to assess the piscicidal effect of five commercial toxicants on weed fish, Nile tilapia (Oreochromis niloticus) for a short period. The fish was exposed to four concentrations (0.5, 1.0, 1.5, and 2.0 ppm) of dimethoate, pyrethroid lambda-cyhalothrin, cypermethrin, malathion, and Chillas along with control (without any toxicants) during a 48-hour static bioassay. Fish mortality and physicochemical parameters i.e., pH and dissolved oxygen (DO) of water were ch

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Zheng, Jusheng, Tao Huang, Yinghua Yu, Xiaojie Hu, Bin Yang, and Duo Li. "Fish consumption and CHD mortality: an updated meta-analysis of seventeen cohort studies." Public Health Nutrition 15, no. 4 (2011): 725–37. http://dx.doi.org/10.1017/s1368980011002254.

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AbstractObjectiveResults of studies on fish consumption and CHD mortality are inconsistent. The present updated meta-analysis was conducted to investigate the up-to-date pooling effects.DesignA random-effects model was used to pool the risk estimates. Generalized least-squares regression and restricted cubic splines were used to assess the possible dose–response relationship. Subgroup analyses were conducted to examine the sources of heterogeneity.SettingPubMed and ISI Web of Science databases up to September 2010 were searched and secondary referencing qualified for inclusion in the study.Sub

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Siple, Margaret C., Andrew O. Shelton, Tessa B. Francis, Dayv Lowry, Adam P. Lindquist, and Timothy E. Essington. "Contributions of adult mortality to declines of Puget Sound Pacific herring." ICES Journal of Marine Science 75, no. 1 (2017): 319–29. http://dx.doi.org/10.1093/icesjms/fsx094.

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Abstract Forage fish undergo dramatic changes in abundance through time. Long-term fluctuations, which have historically been attributed to changes in recruitment, may also be due to changes in adult mortality. Pacific herring, a lightly exploited forage fish in Puget Sound, WA, have exhibited shifts in age structure and decreases in spawning biomass during the past 30 years. Here, we investigate changes in adult mortality as a potential explanation for these shifts. Using a hierarchical, age-structured population model, we indicate that adult natural mortality for Puget Sound Pacific herring

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Kostecki, Paul T., Patricia Clifford, Steven P. Gloss, and James C. Carlisle. "Scale Loss and Survival in Smolts of Atlantic Salmon (Salmo Salar) after Turbin Passage." Canadian Journal of Fisheries and Aquatic Sciences 44, no. 1 (1987): 210–14. http://dx.doi.org/10.1139/f87-028.

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Field data obtained from smolts of Atlantic salmon (Salmo salar) passed through an Ossberger crossflow turbine indicated that scale loss was greater (24% of the total scaled surface area) in fish that died during the first 48 h after passage than in fish that survived longer than 48 h (16% scale loss) or in controls (15%). Histopathoiogy of selected tissues from turbine-passed fish revealed an incidence of lesions in brain and muscle greater than that detected by gross necropsy. The sensitivity of histologic examination approximately doubled the detection of damage among fish that survived lon

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Jayedi, Ahmad, Sakineh Shab-Bidar, Saragol Eimeri, and Kurosh Djafarian. "Fish consumption and risk of all-cause and cardiovascular mortality: a dose–response meta-analysis of prospective observational studies." Public Health Nutrition 21, no. 7 (2018): 1297–306. http://dx.doi.org/10.1017/s1368980017003834.

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AbstractObjectiveThere are some indications of regional differences in the association between fish consumption and clinical outcomes. We aimed to test the linear and potential non-linear dose–response relationships between fish consumption and risk of all-cause and cardiovascular (CVD) mortality, and possible confounding by region.DesignSystematic review and dose–response meta-analysis.SettingSystematic search using PubMed and Scopus, from inception up to September 2016.SubjectsProspective observational studies reporting the estimates of all-cause and CVD mortality in relation to three or mor

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Jiang, Lan, Jinyu Wang, Ke Xiong, Lei Xu, Bo Zhang, and Aiguo Ma. "Intake of Fish and Marine n-3 Polyunsaturated Fatty Acids and Risk of Cardiovascular Disease Mortality: A Meta-Analysis of Prospective Cohort Studies." Nutrients 13, no. 7 (2021): 2342. http://dx.doi.org/10.3390/nu13072342.

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Previous epidemiological studies have investigated the association of fish and marine n-3 polyunsaturated fatty acids (n-3 PUFA) consumption with cardiovascular disease (CVD) mortality risk. However, the results were inconsistent. The purpose of this meta-analysis is to quantitatively evaluate the association between marine n-3 PUFA, fish and CVD mortality risk with prospective cohort studies. A systematic search was performed on PubMed, Web of Science, Embase and MEDLINE databases from the establishment of the database to May 2021. A total of 25 cohort studies were included with 2,027,512 par

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Hurst, Thomas P., and David O. Conover. "Winter mortality of young-of-the-year Hudson River striped bass (Morone saxatilis): size-dependent patterns and effects on recruitment." Canadian Journal of Fisheries and Aquatic Sciences 55, no. 5 (1998): 1122–30. http://dx.doi.org/10.1139/f98-017.

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Winter mortality plays a significant role in the dynamics of some temperate fish populations and has been shown to be size-dependent for some species, but not for others. Our objective was to determine how winter mortality affects the recruitment dynamics of Hudson River striped bass (Morone saxatilis). We used catch-per-unit-effort data from three separate surveys targeting young-of-the-year (YOY), overwintering, and age 1 striped bass. Age 1 abundance was negatively correlated with the severity of winter. In contrast, the abundance of age 0 fish was not correlated with age 1 abundance, sugge

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Sulaiman, Priyo Suharsono, Puput Fitri Rachmawati, Reny Puspasari, and Ngurah Nyoman Wiadnyana. "UPAYA PENCEGAHAN DAN PENANGGULANGAN KEMATIAN MASSAL IKAN DI DANAU DAN WADUK." Jurnal Kebijakan Perikanan Indonesia 12, no. 2 (2020): 59. http://dx.doi.org/10.15578/jkpi.12.2.2020.59-73.

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Degradasi kualitas perairan di danau dan waduk semakin meningkat menyebabkan terjadinya kasus kematian ikan secara massal. Untuk itu dilakukan kajian yang bertujuan untuk merumuskan upaya pencegahan dan penanganan kematian massal ikan di danau dan waduk, terutama bagi ikan-ikan budidaya, melalui telaah dan analisis berbagai literatur. Hasil kajian menunjukkan bahwa kasus kematian massal ikan dapat disebabkan oleh berbagai faktor, diantaranya: i) perairan kekurangan oksigen; ii) ikan mengalami keracunan akibat gas-gas beracun; iii) serangan penyakit pada ikan; iv) kelebihan daya dukung perairan

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