| a study of the composition of fish liver and body oil triglycerides. | silver-ion high-performance liquid chromatography (ag(+)-hplc) was used to study the range and variations in molecular species of triglycerides from industrial, retail and laboratory extracted fish oils. these were contrasted with a typical plant oil. selected fish oils were fractionated and the fatty acid distribution of the fractions determined by gas-liquid chromatography. fish oils gave a characteristic ag(+)-hplc profile, typified by sharp, intense peaks at the start of the chromatogram and ... | 1992 | 1406065 |
| aspects of the morphology and life cycle of lecithocladium excisum (digenea, hemiuridae), a parasite of scomber spp. | previously undescribed motile cystophorous cercariae which develop in sporocyst-like germinal sacs in the bullomorph opisthobranch philine aperta are experimentally shown to develop into lecithocladium excisum (digenea, hemiuridae), a common stomach parasite of mackerel scomber scombrus in the north-east atlantic and adjacent seas. between 3 and 8% of p. aperta from the northern oresund, denmark, were infected with cercariae of l. excisum. ninety per cent were infected with rhopalura sp. (orthon ... | 1991 | 1743856 |
| alteration of the electrophoretic pattern of myofibrillar proteins in fish mince during frozen storage. | a study was made of the variations in the electrophoretic profile of myofibrillar proteins in the muscles of blue whiting (micromesistius poutassou r.), horse mackerel (trachurus trachurus l.) and mackerel (scomber scombrus l.). it was shown that all species presented different deterioration patterns during frozen storage. the fish were caught at two separate times of the year (winter and summer) and were stored frozen at -18 degrees c for 1 year. the results indicate that during frozen storage, ... | 1995 | 7785353 |
| lipid, protein, and calorie content of different atlantic and mediterranean fish, shellfish, and molluscs commonly eaten in the south of spain. | we undertook a systematic evaluation of the lipid, protein, calorie, and fatty acid composition in 35 species of fish, shellfish and molluscs commonly consumed throughout the four seasons of the year in andalusia, spain. using a portion of muscle tissue the following were measured in each study unit: total lipids (extraction using folch's method and gravimetry), protein concentration (kjehldal's method), total calories (direct calorimetry), and composition of fatty acids (gas chromatography). th ... | 1997 | 9258553 |
| total mercury in muscle of benthic and pelagic fish from the south adriatic sea (italy). | total mercury concentrations were measured from the muscle of different kinds of fish: yellow gurnard (trigla lucerna), red gurnard (aspitrigla cuculus) red fish (helicolenus dactylopterus), skate spp. (raje spp.), goldline (sarpa salpa), atlantic bonito (sarda sarda), mackerel (scomber scombrus), chub mackerel (scomber japonicus) caught in the south adriatic sea (south italy) in the period june/august 1995. the highest total mercury levels were found in the benthic marine organisms and particul ... | 1998 | 10366996 |
| isolation of hanseniaspora uvarum (kloeckera apiculata) in humans. | isolation of hanseniaspora uvarum, a yeast of the ascomycetes group, whose anamorph corresponds to kloeckera apiculata, obtained from stool and two ungual specimens from three patients, is reported. this yeast has been found in soil, water, various fruits, bivalve molluscs, crabs, prawns and fruit flies; in spain, it has been described in the fermentation processes of some wines. in our region, it has also been found in the intestine of mackerel (scomber scombrus). its finding in humans constitu ... | 1998 | 10481287 |
| determination of volatile bases in seafood using the ammonia ion selective electrode: collaborative study. | nine collaborating laboratories tested a combination of 23 seafood samples for volatile bases using an ammonia ion selective electrode. results were reported as mg nh3/100 g fish, but the method reflected levels of both ammonia and trimethylamine, which permeated the ammonia membrane. the 23 samples were broken down into 8 blind duplicate pairs, 2 youden matched pairs, and 3 single samples covering fresh to spoiled product ranging from 8 to 82 mg nh3/100 g. seven species were evaluated: atlantic ... | 2000 | 10995118 |
| [anisakiasis in fresh fish sold in the north of córdoba]. | anisakiasis is a parasitic zoonosis caused by live larvae of the anisakidae family found located in the body cavities and in the muscular systems of osseous fish and cephalopod mollusks. humons inadvertently ingest these larvae when eating raw or undercooked infested fish. symptoms are characterized by gastrointestinal disorders. the purpose of this study is that of ascertaining the frequency of anisakid larvae parasite infestation in fresh fish marketed in northern section of the province of co ... | 2000 | 11217241 |
| mercury, arsenic, lead and cadmium in fish and shellfish from the adriatic sea. | the aim was to measure concentrations of total mercury, total arsenic, lead and cadmium in common edible fresh fish and shellfish from various areas of the adriatic sea. estimates of intake of these elements were made through seafood consumption by the general population. samples were either wet digested for mercury and arsenic, or dry ashed for lead and cadmium analysis. mercury was measured by cold vapour atomic absorption spectrometry (cv aas) and arsenic, lead and cadmium by electrothermal a ... | 2003 | 12623648 |
| low detection efficiency of candling as a commonly recommended inspection method for nematode larvae in the flesh of pelagic fish. | the third-stage larvae of the parasitic nematode anisakis simplex commonly occur in most commercially important fish species from the north atlantic. in this study, the occurrence and site distribution of anisakis larvae in various size groups of norwegian spring spawning herring (clupea harengus), blue whiting (micromesistius poutassou), and mackerel (scomber scombrus) from the northeast atlantic was investigated. although most of the larvae were found in the abdominal cavity, the small proport ... | 2005 | 15830678 |
| alkylphenols and alkylphenol ethoxylates contamination of crustaceans and fishes from the adriatic sea (italy). | this paper presents the results of an investigation on the occurrence of alkylphenols (aps) and their ethoxylates (apes) in 8 edible marine species from the adriatic sea and tries to estimate the corresponding intake for the italian population. two crustaceans, nephrops norvegicus (norway lobster) and squilla mantis (spottail mantis shrimp), plus six fish species, engraulis enchrascicolus (anchovy), scomber scombrus (atlantic mackerel), merluccius merluccius (european hake), mullus barbatus (red ... | 2005 | 15833488 |
| in vitro percutaneous absorption studies and in vivo evaluation of anti-inflammatory activity of essential fatty acids (efa) from fish oil extracts. | the aim of the present study was to evaluate the in vitro percutaneous absorption and the in vivo anti-inflammatory activity of epa and dha fatty acids from three oily extracts, obtained by acetonic extractions from the entrails of different varieties of mediterranean fishes such as mackerel (scomber scombrus), sardine (sardina pilchardus) and horse mackerel (trachurus mediterraneus). in the first part of our research, we focused our attention on the characterization of the oily extracts to dete ... | 2005 | 15979259 |
| organochlorine pesticide residues in european sardine, horse mackerel and atlantic mackerel from portugal. | this paper reports the results for the surveillance of nine organochlorine pesticides (hch isomers (alpha, beta, e, gamma), p,p'-ddd, p,p'-ddt, p,p'-dde, p,p'-ddd, hcb and aldrin) in muscle of three fish species, european pilchard (sardina pilchardus), atlantic horse mackerel (trachurus trachurus) and atlantic mackerel (scomber scombrus). analytical methodology included n-hexane extraction, clean-up with 2% deactivated florisil, and quantification with gas chromatography-electron capture detecti ... | 2005 | 16019839 |
| assessment of edible marine species in the adriatic sea for contamination from polychlorinated biphenyls and organochlorine insecticides. | it is estimated that 90% of human exposure to persistent organic pollutants is through food, and fish and shellfish represent an important source of contamination for polychlorinated biphenyls (pcbs) and organochlorine insecticides. to evaluate the levels of seafood contamination coming from the central adriatic sea, italy, a study involving several pools of shellfish, crustaceans, and fish was carried out. several marine species were selected by their abundance, wide distribution, and common us ... | 2006 | 16715817 |
| whole blood-oxygen binding properties of four cold-temperate marine fishes: blood affinity is independent of ph-dependent binding, routine swimming performance, and environmental hypoxia. | the relationship between whole blood-oxygen affinity (p(50)) and ph-dependent binding (i.e., cooperativity and the bohr [ phi ] and root effects) was examined statistically under standardized conditions (10.0 degrees celsius) in four unrelated cold-temperate marine fishes that differ widely in their swimming performance and their expected responses to hypoxia: cod (gadus morhua), herring (clupea harengus), mackerel (scomber scombrus), and plaice (pleuronectes platessa). an unexpected difference ... | 2006 | 16927237 |
| polycyclic aromatic hydrocarbons in marine organisms from the adriatic sea, italy. | polycyclic aromatic hydrocarbons (pahs) were analyzed in bivalves (mitylus galloprovincialis), cephalopods (todarodes sagittatus), crustaceans (nephrops norvegicus) and fish (mullus barbatus, scomber scombrus, micromesistius poutassou, merluccius merluccius) in several pools coming from the central adriatic sea. these marine organisms were selected because of their multitude, wide distribution and common use in the italian diet, they were sampled and analyzed during the year 2004. acenaphthene, ... | 2007 | 16962639 |
| protective effect of mediterranean fish oil extracts on heat-induced denaturation of albumin. | three oily extracts, obtained by acetone extraction from the entrails of different varieties of mediterranean fishes, such as mackerel (scomber scombrus), sardine (sardina pilchardus) and horse mackerel (trachurus mediterraneus), were characterized to determine their unsaturated fatty acid content. in an in-vitro model, their inhibitory effect was then evaluated against protein aggregation and their protective efficacy against heat-induced albumin denaturation assessed. the fish oil extracts tes ... | 2006 | 17034666 |
| polycyclic aromatic hydrocarbons in marine organisms from the gulf of naples, tyrrhenian sea. | polycyclic aromatic hydrocarbons (pahs) were determined by an hplc method with fluorescence detection in bivalves (mitylus galloprovincialis), cephalopods (todarodes sagittatus), crustaceans (aristeus antennatus), and fish (mullus surmeletus, scomber scombrus, micromesistius poutassou, and merluccius merluccius) caught in the gulf of naples (tyrrhenian sea, italy). anthracene, fluoranthene, pyrene, benz(a)anthracene, chrysene, benzo(b)fluoranthene, and benzo(k)fluoranthene were detected, at diff ... | 2007 | 17288448 |
| occurrence and molecular identification of anisakis spp. from the north african coasts of mediterranean sea. | larval forms of the genus anisakis were reported infecting several fish species from the north african coasts of central mediterranean sea. polymerase chain reaction-restriction fragment length polymorphism (pcr-rflp) analysis was used to investigate the occurrence of larval forms of different anisakis species in teleost fishes and squid from north african coasts of the mediterranean sea and to establish the geographical and host range of these parasites in this area. a total of 282 anisakis lar ... | 2008 | 18026753 |
| evaluation of trace heavy metal levels of some fish species sold at retail in kayseri, turkey. | cd, ni, cr, zn, cu and pb concentrations of muscle tissue of 61 fish samples belonging to six fish species (sparus auratus, pomatomus saltatrix, sarda sarda, engraulis encrasicholus, sander lucioperca, scomber scombrus) retailed in kayseri, turkey were determined by flame atomic absorption spectrometry after wet digestion. cd concentrations of at least 31 fish samples (50.8%) and pb concentrations of at least six fish samples (9.8%) exceeded the corresponding turkish permissible limit of 0.05 an ... | 2009 | 18344008 |
| occurrence of postmortem myoliquefactive kudoosis in atlantic mackerel, scomber scombrus l., from the north sea. | members of the myxosporean genus kudoa occur in various marine teleosts worldwide. several species are of concern to the fishery and aquaculture industries as they may produce unsightly cysts in the fish host's musculature or are associated with postmortem myoliquefaction of the fish muscle, commonly referred to as 'soft flesh'. this study describes the occurrence and effects on a host of a kudoa species in atlantic mackerel, scomber scombrus, from the northern north sea. generalized postmortem ... | 2008 | 18482379 |
| whether depositing fat or losing weight, fish maintain a balance. | in fish, the relative amount of tissues of different densities changes significantly over short periods throughout the year, depending on the availability of food, nutrition and their developmental status, such as sexual maturation. if a land-living animal accumulates fat it influences not only its general state of health, but also markedly increases its energy expenditure for locomotion owing to the force of gravity. on a body submerged in water, this force, which acts on the centre of gravity ... | 2009 | 19675008 |
| estimation of the carbon footprint of the galician fishing activity (nw spain). | the food production system as a whole is recognized as one of the major contributors to environmental impacts. accordingly, food production, processing, transport and consumption account for a relevant portion of the greenhouse gas (ghg) emissions associated with any country. in this context, there is an increasing market demand for climate-relevant information regarding the global warming impact of consumer food products throughout the supply chains. this article deals with the assessment of th ... | 2010 | 20800266 |
| molecular characterization of anisakis larvae from fish caught off sardinia. | abstract anisakis spp. larvae are parasitic, and potentially zoonotic, nematodes transmitted by marine fish and cephalopods, which are the main intermediate hosts of the third larval stage. the accidental consumption of infected raw or poorly cooked fish may cause gastroenteric diseases and allergies in humans. the aim of the present study was to use pcr-rflp to define the occurrence, species variability, and host preferences of anisakis spp. larvae in fish caught off the coast of sardinia. necr ... | 2011 | 21501045 |
| characterisation of the microbiota of atlantic mackerel (scomber scombrus). | in this study the microbiota of atlantic mackerel (scomber scombrus) collected by a commercial purse seiner was examined. fish were collected directly from the purse seine and from the refrigerated sea water (rsw) transport tank after loading. the culturable microbiota and specific spoilage bacteria (ssb) were quantified on iron agar lyngby (ial) and identified using commercially available biochemical api® kits on pure cultured isolates. these kits showed to be sub-optimal in characterising the ... | 2011 | 21914558 |
| metazoan ectoparasites of atlantic mackerel, scomber scombrus (teleostei: scombridae): macro- and microhabitat distribution. | parasites are affected by the environment where their hosts live, having a specific distribution among their hosts and occupying a well-defined microhabitat. the present work aims to describe the metazoan ectoparasite fauna of scomber scombrus, namely its distribution at the macro- and microhabitat levels. for that, fish from two different portuguese regions, matosinhos (n = 40) and figueira da foz (n = 39), were examined for macroectoparasites. s. scombrus of matosinhos presented four different ... | 2013 | 23912195 |
| anisakidae in fishing products sold in sicily. | one of the parasite diseases associated with the consumption of raw fish that occurs with some frequency is the anisakiasis, a human disease caused by the accidental ingestion of larval nematodes of the genus anisakis, family anisakidae. at the national reference centre for anisakiasis (c.re.n.a.) from october 2012 to february 2013, a number of 231 bony fish (trichiuridae, engraulidae, scombridae and clupeidae) were received from different fishing sites in sicily. anisakis pegreffii is the main ... | 2014 | 27800344 |
| occurrence of anisakis simplex sensu stricto in imported atlantic mackerel (scomber scombrus) represents a risk for turkish consumers. | anisakid larvae are a prevalent food-borne pathogen that has been found in numerous fish species destined for human consumption. the accidental consumption of infected raw or poorly cooked fish may cause gastroenteric diseases and allergies in humans. in spite of the fact that thorough cooking or freezing kills anisakis worms, this method does not destroy their allergenic capacity. the presence of a. simplex (s.s.) in seafood products may present a health risk for consumers. in turkey, atlantic ... | 2014 | 24935687 |
| purification and characterization of four antibacterial peptides from protamex hydrolysate of atlantic mackerel (scomber scombrus) by-products. | proteins from fish by-product sources are valuable source of bioactive peptides and show promise as functional foods ingredients. the objective of the present study was to isolate and characterize antibacterial peptides from protamex hydrolysates of atlantic mackerel (scomber scombrus) by-products. four sequences sifiqrftt (p4), rksgdplgr (p8.1), akpgdgagsgpr (p8.2) and glpgplgpagpk (p11) were identified in peptide fractions separated using rp-hplc. at 200 μg ml(-1), while peptides p8.1, p8.2 an ... | 2015 | 25934151 |
| permanent genetic resources added to molecular ecology resources database 1 december 2011-31 january 2012. | this article documents the addition of 473 microsatellite marker loci and 71 pairs of single-nucleotide polymorphism (snp) sequencing primers to the molecular ecology resources database. loci were developed for the following species: barteria fistulosa, bombus morio, galaxias platei, hematodinium perezi, macrocentrus cingulum brischke (a.k.a. m. abdominalis fab., m. grandii goidanich or m. gifuensis ashmead), micropogonias furnieri, nerita melanotragus, nilaparvata lugens stål, sciaenops ocellat ... | 2012 | 22448966 |
| molecular characterization of muscle-parasitizing didymozoid from a chub mackerel, scomber japonicus. | didymozoids found in the muscles of marine fish are almost always damaged because they are usually found after being sliced. therefore, identifying muscle-parasitizing didymozoids is difficult because of the difficulty in collecting non-damaged worms and observing their organs as key points for morphological identification. moreover, muscle-parasitizing didymozoids are not easily found because they parasitize at the trunk muscles. therefore, muscle-parasitizing didymozoid classification has not ... | 2015 | 26204013 |
| amounts and compositional analysis of glycosaminoglycans in the tissue of fish. | we isolated gags from the inedible parts; head, skin, internal organs, fins, scales and spine, of atlantic mackerel (scomber scombrus), japanese jack mackerel (trachurus japonicus), pacific bluefin tuna (thunnus orientalis), yellowfin sole (limanda aspera), broadbanded thornyhead (sebastolobus macrochir), golden threadfin bream (nemipterus virgatus), and nile tilapia (oreochromis niloticus). we also investigated deep-sea fish, eelpouts (bothrocara hollandi, lycodes toyamensis, and lycodes nakamu ... | 2013 | 23261779 |
| slow muscle function of pacific bonito (sarda chiliensis) during steady swimming. | the pacific bonito, sarda chiliensis, is anatomically intermediate between mackerel and tuna. the specialisations exhibited by tuna are present in the bonito, but to a lesser degree. slow-twitch muscle strain and activity patterns were determined during steady swimming (tailbeat frequency 1.2-3.2 hz) at four locations on the body of sarda chiliensis using sonomicrometry and electromyography. both strain and the phase of electromygraphic activity were independent of tailbeat frequency. the strain ... | 2000 | 10851117 |
| massive consumption of gelatinous plankton by mediterranean apex predators. | stable isotopes of carbon and nitrogen were used to test the hypothesis that stomach content analysis has systematically overlooked the consumption of gelatinous zooplankton by pelagic mesopredators and apex predators. the results strongly supported a major role of gelatinous plankton in the diet of bluefin tuna (thunnus thynnus), little tunny (euthynnus alletteratus), spearfish (tetrapturus belone) and swordfish (xiphias gladius). loggerhead sea turtles (caretta caretta) in the oceanic stage an ... | 2012 | 22470416 |
| contents of cadmium, mercury and lead in fish from the atlantic sea (morocco) determined by atomic absorption spectrometry. | as a part of a specific monitoring program, lead (pb) cadmium (cd) and mercury (hg) concentrations in important species of fish from various fishing ports of the southern kingdom of morocco (sardina pilchardus, scomber scombrus, plectorhinchus mediterraneus, trachurus trachurus, octopus vulgaris, boops boops, sarda sarda, trisopterus capelanus, and conger conger) were investigated by the moroccan reference laboratory (nrl) for trace elements in foodstuffs of animal origin. the samples were analy ... | 2014 | 24206730 |
| characterization of the pelagic fish community of the north-western and northern spanish shelf waters. | this study demonstrates the utility of trawl data, collected during acoustic surveys of pelagic fish stocks as a way of confirming fish identification, to characterize the pelagic community, as well as allowing description and prediction of fish distribution patterns, based on data from spanish atlantic ocean shelf surveys during spring 2005-2011. the composition of the pelagic community is described, as well as spatial and temporal patterns of variation in both the community composition and the ... | 2013 | 24090545 |
| lipid complex effect on fatty acid profile and chemical composition of cow milk and cheese. | the effect of administration of lipid complex (lc) on cow milk and cheese characteristics was studied. lipid complex was elaborated based on grapeseed oil with synthesized conjugated linoleic acid (cla) and atlantic mackerel oil enriched in n-3 fatty acids. the 4-wk experiment was conducted on 30 polish holstein friesian cows. the experimental group cow diet was supplemented with 400 g/d of lc (containing 38% cla, and eicosapentaenoic acid + docosahexaenoic acid in a relative amount of 36.5%) on ... | 2016 | 26506539 |
| feeding ecology of northeast atlantic mackerel, norwegian spring-spawning herring and blue whiting in the norwegian sea. | the norwegian spring-spawning (nss) herring (clupea harengus), blue whiting (micromesistius poutassou) and northeast atlantic (nea) mackerel (scomber scombrus) are extremely abundant pelagic planktivores that feed in the norwegian sea (ns) during spring and summer. this study investigated the feeding ecology and diet composition of these commercially important fish stocks on the basis of biological data, including an extensive set of stomach samples in combination with hydrographical data, zoopl ... | 2016 | 26895485 |
| inhibition of cholesterol and polyunsaturated fatty acids oxidation through the use of annatto and bixin in high-pressure processed fish. | annatto and bixin, the main carotenoid of annatto seeds, were both found to inhibit cholesterol oxidation in minced herring (clupea harengus) and minced mackerel (scomber scombrus) during high pressure processing (600 mpa for 10 min) and subsequent chilled storage for 2 wk, a treatment which otherwise increased the content of cholesterol oxidation products above a critical limit for human consumption. annatto but not bixin reduced the loss of docosahexaenoic acid caused by high pressure processi ... | 2015 | 26219922 |
| warming shelf seas drive the subtropicalization of european pelagic fish communities. | pelagic fishes are among the most ecologically and economically important fish species in european seas. in principle, these pelagic fishes have potential to demonstrate rapid abundance and distribution shifts in response to climatic variability due to their high adult motility, planktonic larval stages, and low dependence on benthic habitat for food or shelter during their life histories. here, we provide evidence of substantial climate-driven changes to the structure of pelagic fish communitie ... | 2015 | 25230844 |
| parasites as biological tags in marine fisheries research: european atlantic waters. | studies of the use of parasites as biological tags for stock identification and to follow migrations of marine fish, mammals and invertebrates in european atlantic waters are critically reviewed and evaluated. the region covered includes the north, baltic, barents and white seas plus icelandic waters, but excludes the mediterranean and black seas. each fish species or ecological group of species is treated separately. more parasite tag studies have been carried out on atlantic herring clupea har ... | 2015 | 24722002 |
| species identification and antimicrobial resistance of coagulase-negative staphylococci isolated from the meat of sea fish. | seventy-eight isolates of staphylococci obtained from the meat of theragra chalcogramma, scomber scombrus, and clupea harengus were identified and tested in this study. 16s rdna sequence specific for the genus staphylococcus was detected in all isolates with the help of pcr method. all of 78 isolates were coagulase-negative, and dnase activity was only confirmed in 4 of them. the following species of staphylococci were identified using maldi-tof mass spectrometry: s. warneri (52%), s. epidermidi ... | 2014 | 24689907 |
| interactions between small pelagic fish and young cod across the north atlantic. | species interactions that play out over large spatial scales are difficult to observe, particularly in the oceans. the current lack of empirical evidence for biologically meaningful interaction parameters likely delays the application of holistic management procedures. here we estimate interactions during the early life history of fish across regions. we present separate and hierarchical bayesian models that estimate the direction and strength of interactions between atlantic cod and dominant pe ... | 2012 | 23185876 |
| pfaas in fish and other seafood products from icelandic waters. | perfluorinatedalkyl acids (pfaas) are of growing concern due to possible health effects on humans. exposure assessments indicate that fish consumption is one of the major sources of perfluorooctane sulfonate (pfos) exposure to humans, one of the major pfass, whereas concerns of overestimation of this exposure source have been raised. therefore, pfaas concentrations in fish from the north atlantic (icelandic fishing grounds) in the flesh of different fish species were investigated along with more ... | 2014 | 24782899 |
| binding kinetics and sequencing of hepatic alpha1-adrenergic receptors in two marine teleosts, mackerel (scomber scombrus) and anchovy (engraulis encrasicolus). | liver alpha(1)-adrenoceptors (ars) are demonstrated, or at least hypothesized, in freshwater and brackish-water teleosts, whereas no data are available for marine teleosts. this study evaluates the presence of alpha(1)-ars in the liver of two marine teleosts, the anchovy engraulis encrasicolus and the mackerel scomber scombrus, and examines on a broad scale the possibility that habitats posing different challenges also influence phenotypic trait selection. binding assays were performed also on l ... | 2008 | 18273865 |
| mass mortality of common dolphins (delphinus delphis) in south west england due to incidental capture in fishing gear. | in the first quarter of 1992, 118 dolphin carcases, of which 54 were positively identified as common dolphins (delphinus delphis), were found stranded on the coast of cornwall and devon. to determine the cause, detailed post mortem examinations were carried out on 38 of the carcases, and the results were compared with those from 20 common dolphins that stranded on the coast of cornwall and devon in the previous 15 months. there was no evidence that the deaths were due to an infectious or parasit ... | 1994 | 8178416 |
| ultrastructure of atrial and ventricular myocardium in the pike esox lucius l. and mackerel scomber scombrus l. (pisces). | atrial and ventricular muscle in the pike and mackerel hearts consists of narrow, branching cells. the atrial cells in the two species are similar whereas the ventricular cells differ. the sarcolemma is attached to the z and m lines of the sarcomere. intercalated discs are common, and the transverse parts display desmosomes and intermediate junctions. nexuses are uncommon and only occur in the longitudinal parts of the intercalated discs. the sarcoplasmic reticulum forms a regular hexagonal netw ... | 1980 | 7407886 |
| concentrations and profiles of polycyclic aromatic hydrocarbons in some popular fish species in nigeria. | the concentrations and profiles of polycyclic aromatic hydrocarbons (pahs) in 10 popular fish species in the nigerian market were determined with a view to providing information on the health hazards associated with the consumption of these fish species. the concentrations of pahs were measured by gas chromatography-mass spectrometry after extraction by ultrasonication with acetone-dichloromethane and clean up. the concentration ranges of the σ16 pahs were 20 to 39.6 μg kg(-1) for parachanna obs ... | 2015 | 25719880 |
| chemical composition, mineral content and amino acid and lipid profiles in bones from various fish species. | the chemical composition, content of minerals and the profiles of amino acids and fatty acids were analyzed in fish bones from eight different species of fish. fish bones varied significantly in chemical composition. the main difference was lipid content ranging from 23 g/kg in cod (gadus morhua) to 509 g/kg in mackerel (scomber scombrus). in general fatty fish species showed higher lipid levels in the bones compared to lean fish species. similarly, lower levels of protein and ash were observed ... | 2007 | 17208480 |
| endothelin receptors in teleost fishes: cardiovascular effects and branchial distribution. | by observing gill blood flow using epi-illuminating microscopy, in parallel with cardiovascular recordings and immunohistochemistry, we have tried to identify the receptor mediating endothelin (et) type 1 (et1)-induced pillar cell contraction in the lamellae of the atlantic cod (gadus morhua). intra-arterial injection of the specific et(b) receptor agonist bq-3020 induced dose-dependent increases in ventral aortic blood pressure, gill vascular resistance, and pillar cell area (indicating contrac ... | 2006 | 16223845 |
| [new trematode genus of the family didymozoidae from a mackerel in the indian ocean]. | a new trematode of the genus paranema tobothrium triplovitellatum gen. et sp. n. from the body cavity of scomber scombrus from the indian ocean is described. the individuals of the new genus are not incysted. testes paired, ovary twisted, unbranched, vitelline gland bifurcates, uterus forming three turns. | 2007 | 492777 |