| [comparative analysis of the glycoproteins of the mineralized tissues of several species of animals]. | studies have been made on carbohydrate components of glycoproteids from normally mineralized tissues of different animals. experiments were made on the scales of the fish leuciscus idus, on shells of hen eggs, on shells of the molluscs modiolus modiolus, anodonta cygnea, rapana thomasiana, bithynia tentaculata, on bone tissue, the enamel and dentine from cows, pigs, dogs and albino rats. in the glycoproteids studied, hexoses, fucoses, ketone sugars, hexosamines, uronic and sialic acids were foun ... | 1978 | 716704 |
| regression and cluster analysis of the acute toxicity of 267 chemicals to six species of biota and the octanol/water partition coefficient. | the acute toxicities of 267 compounds to six aquatic and one terrestrial species were investigated with correlation, principal component and cluster analysis techniques for relationships with each other and with the compounds' octanol/water partition coefficient. selection of the investigated chemicals was based on the availability of at least three of the following measured parameters: acute (24-h to 96-h) lethal concentrations (lc50) to the fish fathead minnow (pimephales promelas), the fish g ... | 1991 | 1815369 |
| [tracheliastes polycolpus nordm. 1832 (lernaeopodidae) in the narew river]. | in the course of ichthyological inventory investigations in the main water-course of the narew river the occurrence of tracheliastes polycolpus nordm. was recorded on ide leuciscus idus (l.) and pike esox lucius l. a comparison of the occurrence of this parasite in other rivers of poland is presented. | 1989 | 2728457 |
| viral diseases of fish: first report of carp pox in golden ide (leuciscus idus) in north america. | carp pox, a putative viral disease exotic to north america, occurred in golden ide 1 yr after the fish were imported into the united states from the federal republic of germany. the raised, white, plaque-like lesions, which occurred on about 5% of the fish, healed spontaneously and caused no mortality. electron micrographs showed herpesvirus-like particles associated with lesion specimens; however, no infectious viruses were detected in tests with seven warmwater fish cell lines. | 1985 | 2993681 |
| xenobiotic-metabolizing enzyme systems in test fish. i. comparative studies of liver microsomal monooxygenases. | all monooxygenase activities assayed in guppy (poecilia reticulata) and red killifish (oryzias latipes) were 7-10 times higher than those measured in trout (salmo gairdneri), carp (cyprinus carpio), and golden orfe (leuciscus idus). cytochrome p-450 was 3 times higher in the former fish than in all the other species. zebra fish (brachydanio rerio) 7-ethoxycoumarin o-deethylase and bluegill (lepomis macrochirus) ethylmorphine n-demethylase (emnd) were not greatly different from those of the forme ... | 1987 | 3830019 |
| the effect of temperature upon the establishment and survival of the cestode caryophyllaeus laticeps in orfe, leuciscus idus. | | 1971 | 5130092 |
| [the disinfection of fish in the family cyprinidae of opisthorchis felineus riv. metacercariae by the combined use of acetic acid and table salt]. | the studies were aimed at optimizing the procedure for disinfection of carps from the larvae of a pathogen of opisthorchiasis. the effects of different concentrations of acetic acid solutions on the viability of encysted o. felineus metacercariae isolated from ide (leuciscus idus l.) tissue, as well as on that of larvae located in the fish muscles were examined by consequently using the solutions of acetic acid and salt. acetic acid solutions (3 and 6%) are minimally effective in suppressing the ... | 1997 | 9182203 |
| environmental risk assessment for the widely used iodinated x-ray contrast agent iopromide (ultravist). | iodinated x-ray contrast media are diagnostic pharmaceuticals that are applied to enhance the contrast between organs or vessels examined and surrounding tissues during radiography. these substances are applied in doses up to ca. 200 g per person (corresponding to approx 100 g iodine) and are rapidly excreted. in the sewage system they contribute to the burden of adsorbable organic halogens (aox). to assess the potential environmental impact of this release, studies on environmental fate and eff ... | 1999 | 10090816 |
| preliminary characterization of a reovirus isolated from golden ide leuciscus idus melanotus. | some characteristics of a reovirus recently isolated from golden ide leuciscus idus melanotus and tentatively designated as golden ide reovirus (girv) were determined. spherical non-enveloped particles with an outer capsid of about 70 nm and an inner capsid of about 50 nm were observed by electron microscopy. the density of the virus determined in cscl gradients was 1.36 g ml-1. the genome contained 11 segments of dsrna. girv differed from other aquareoviruses by a slight reduction of infectivit ... | 1999 | 10228873 |
| a histochemical study of the anterior segment of the eye in gold id (idus idus l.), chicken, rabbit and man with special regard to the angle of the anterior chamber. | | 1957 | 13508344 |
| [seasonal dynamics of the component community structure of parasites of the minnow phoxinus phoxinus (l.)]. | the material represented by 75 specimens of minnow of the age 2-2(+) was collected according to the standard technique in the chovju river (tributary of the vychegda river, a region of the settlement nizniy chov, district of syktyvkar town) during the period june-september 2000. the quantitative estimation of the structure of the component parasite communities was performed by calculating errors of the equation of regression for each species group separately, with subsequent summarizing of means ... | 2004 | 15553771 |
| comparison of different biological methods for the assessment of ecotoxicological risks. | to test the effects of heavy metals in river water, we compared the sensitivity of seven different biological test methods, using bacteria (vibrio fischeri), human fl cells, protozoans (paramecium spp.), nematodes (rhabditis oxycerca), aquatic plants (lemna minor), and fishes (leuciscus idus melanotus). as test substance we used a representative mixture of 3.0 microg/l as, 2.5 microg/l pb, 0.8 microg/l cd, 1.7 microg/l cr, 3.9 microg/l cu, 6.7 microg/l ni, 0.4 microg/l hg, and 23.0 microg/l zn, ... | 2006 | 16459144 |
| [helminths fauna of fishes in the mała panew river drainage basin]. | a parasitological investigation was made at 420 fishes from 10 species: perca fluviatilis l., gymnocephalus cernuus (l.), gobio gobio (l.), tinca tinca (l.), leuciscus idus (l), noemacheilus barbatulus (l.), lota lota (l.), leucaspisus delineatus (heckell 843), blicca biorkna (l.) and rhodeus sericeus amarus (bloch 1782). the fishes were caught over one year period (1995-1996) in the mała panew river drainage basin (south poland). in examined fishes the following parasite species were found: dip ... | 2000 | 16886354 |
| parasymphylodora parasquamosa kulakova, 1972 (trematoda, digenea)--new species of the parasite fauna of poland. | the present short note deals with atypical specimens of the digeneans, collected from fish leuciscus idus caught in the vistula mouth, and earlier described (rokicki 1975) as asymphylodora kubanicum (issaitschikoff, 1923) markewitsch, 1951. the reexamination of these specimens indicated that they represent the species parasymphylodora parasquamosa kulakova, 1972. this is a new digenean species in the parasitic fauna of poland. | 2004 | 16892601 |
| dioxins and dioxin-like pcbs in different fish from the river elbe and its tributaries, germany. | in a long-term program polychlorinated dibenzo-p-dioxins and polychlorinated dibenzofurans (pcdd/fs) as well as dioxin-like polychlorinated biphenyls (dl-pcbs) were analyzed in the muscle tissue of eels (anguilla anguilla), bream (abramis brama), european chub (leuciscus cephalus) and ide (leuciscus idus) from the river elbe and its tributaries mulde and saale. the variation of the pcdd/f and dl-pcb concentrations in all fish samples is very large, whereby the dl-pcbs predominate in comparison t ... | 2007 | 17382467 |
| mercury content in the trophic chain of the tanew river, poland, ecosystem. | mercury (hg) is a highly toxic metal posing a hazard to water ecosystems. this investigation was aimed at determining hg content in the tanew river, poland, and subsequent transfer to fish inhabiting this lake. the area studied included approximately a 50-km distance of the river, with 5 sampling locations selected. samples of water and bottom sediments were collected from 10 sites along the river-bank zone for each location. at the same location, fish were caught and samples of coastal water pl ... | 2010 | 20706942 |
| epidemiology of fishborne trematodiasis in kazakhstan. | fish borne trematodes are an important cause of morbidity in kazakhstan. the number of human cases of opisthorchiidosis (infection with parasites of the family opisthorchiidae) reached a peak of 2521 recorded cases (17 cases per 100,000) in 2002 with a gradual decline to 1225 cases (7.4 cases per 100,000) in 2011. most human cases are found in the north and north east part of kazakhstan in areas drained by the irtysh river and it tributaries. a further focus is found in the north west in the ura ... | 2014 | 24943190 |
| determination of moderately polar arsenolipids and mercury speciation in freshwater fish of the river elbe (saxony, germany). | arsenic and mercury are frequent contaminants in the environment and care must be taken to limit their entrance into the food chain. the toxicity of both elements strongly depends upon their speciation. total amounts of as and hg as well as their species were analyzed in muscle and liver of 26 fishes of seven freshwater fish species caught in the river elbe. the median concentrations of as were 162 μg kg(-1) w.w. in liver and 92 μg kg(-1) w.w. in muscle. the median concentrations of total hg wer ... | 2016 | 26552521 |
| [infection with opistorchis larvae in the fish family cyprinidae in the ob-irtysh river basin in the tyumen region]. | fishes, such as ide (leuciscus idus), dace (leuciscus leuciscus), carpbream (abramis brama), roach (rutilus rutilus), and muvarica (alburnus alburnus), with different frequency and rate of invasion and abundance index were infested with larvae of o. felineus, m. bilis, and p. truncatum. there were the highest rates of fish infection with p. truncatum larvae in the subtaiga zone (the south of the region) and with o. felineus metacercariae in the northern subtaiga and taiga zones. in research, exp ... | 2013 | 23437717 |
| electrophoretic determination of estrogen-induced protein in fish exposed to synthetic and naturally occurring chemicals. | in a first step we investigated whether leuciscus idus, a fish routinely used to assess the quality of surface water in germany, is suitable to indicate the presence of endocrine-disrupting chemicals. an electrophoretic method was used to determine estrogen-induced protein in fish serum (presumed vitellogenin). this method was tested by exposing juvenile l. idus to 17 alpha-ethinylestradiol, 17 beta-estradiol and estrone. nominal concentrations of the steroid were compared with concentrations de ... | 1999 | 10492896 |
| comparative study of acetylcholinesterase and butyrylcholinesterase in brain and serum of several freshwater fish: specific activities and in vitro inhibition by ddvp, an organophosphorus pesticide. | a comparative study of specific activities and in vitro inhibition of brain and serum acetylcholinesterase (ache; ec 3.1.1.7) and serum butyrylcholinesterase (bche; ec 3.1.1.8) by ddvp, an organophosphorus pesticide, was conducted in 11 freshwater teleost species belonging to four families (cyprinidae; common carp cyprinus carpio, bream abramis brama, blue bream a. ballerus, white bream blicca bjoerkna, roach rutilus rutilus, bleak alburnus alburnus, ide leuciscus idus; percidae: perch perca flu ... | 2000 | 11246494 |
| new technique for fertilizing eggs of burbot, asp and ide under hatchery conditions. | the development of a new protocol for egg fertilization may increase embryo survival and benefit the aquaculture process. in the present study, a new technique of partially adding sperm to activated eggs in the artificial fertilization of burbot (lota lota), ide (leuciscus idus) and asp (aspius aspius) eggs was evaluated. if the same volume of sperm was divided into two or three parts and added to eggs in 30-60s intervals, it significantly improved embryo survival at the eyed-egg-stage of develo ... | 2016 | 27470201 |
| molecular genetic studies on morphologically indistinguishable myxobolus spp. infecting cyprinid fishes, with the description of three new species, m. alvarezae sp. nov., m. sitjae sp. nov. and m. eirasianus sp. nov. | while studying myxobolus gill infections of cyprinid fishes, the authors found large, segmented plasmodia in three species: ide (leuciscus idus), asp (aspius aspius) and white bream (blicca bjoerkna). as regards their size and morphology, the spores from these plasmodia corresponded to those of m. dujardini described from chub (leuciscus cephalus). however, the 18s rdna sequences of spores from the three cyprinids differed from those of m. dujardini. based on molecular differences, this paper de ... | 2012 | 23129194 |
| various aspects of piscine toxicology. | in opposition to toxicology of mammals piscine toxicology is closely connected with the conditions of external environment. the aquatic environment is necessary for embryonic development and after hatching during short or long-lasting larval period of most fish species. an aquatic environment is polluted by many industrial and agricultural wastes. ammonia as a toxic and common compound in water have negative influence for aquaculture especially in intensive fish culture, recirculation system and ... | 2010 | 21217882 |
| toxicity of ozone to fish larvae and daphnia magna. | ozone can be used as an alternative to chlorination to control biofouling in cooling water systems. the possible negative environmental impact of a discharge of ozone-containing cooling water was investigated. the acute toxicity of dissolved ozone was determined for fish larvae of three species [cyprinus carpio (at 27 degrees c), leuciscus idus (at 27 degrees c) and clarias gariepinus (at 32 degrees c)] and to daphnia magna (at 21 and 27 degrees c). the results indicate that ozone is very harmfu ... | 1998 | 9756705 |
| composition of seminal plasma and ovarian fluid in ide leuciscus idus and northern pike esox lucius. | seminal plasma (sp) and ovarian fluid (of) plays an important role as storage media to prevent the activation of gametes both in vivo and under artificial conditions. the objectives of this study were to quantify gamete biochemistry and explore correlations among quantitative characteristics of sp, of and sperm performance traits of ide leuciscus idus and northern pike esox lucius. generally, na(+) , k(+) and cl(-) were found to be the most dominating ions, although concentrations of k(+) were h ... | 2016 | 27650321 |
| paternal identity impacts embryonic development for two species of freshwater fish. | paternal, compared to maternal, contributions were believed to have only a limited influence on embryonic development and larval fitness traits in fishes. therefore, the perspective of male influence on early life history traits has come under scrutiny. this study was conducted to determine parental effects on the rate of eyed embryos of ide leuciscus idus and northern pike esox lucius. five sires and five dams from each species were crossed using a quantitative genetic breeding design and the r ... | 2017 | 27401263 |
| [histological study of the teleost liver. iii. the system of biliary pathways]. | in the liver of haplochromis burtoni four divisions of the intrahepatic biliary pathways can be distinguished: canaliculus, canaliculus ductulus transition, ductulus biliferus, ductus biliferus. there are no transitional stages between the hepatocytes and biliary epithelial cells. the results of the investigation suggest that the ductules open into the ducts in two ways, directly and by graded transition of structure. the first part of the ductulus has a very narrow lumen and therefore is simila ... | 1979 | 232800 |
| the lateral line receptor array of cyprinids from different habitats. | the lateral line system of teleost fishes consists of an array of superficial and canal neuromasts (cn). number and distribution of neuromasts and the morphology of the lateral line canals vary across species. we investigated the morphology of the lateral line system in four diurnal european cyprinids, the limnophilic bitterling (rhodeus sericeus), the indifferent gudgeon (gobio gobio), and ide (leuciscus idus), and the rheophilic minnow (phoxinus phoxinus). all fish had lateral line canals on h ... | 2014 | 24142903 |
| [analysis of parasitic communities in fishes from lake baikal]. | analysis of infracommunities and component communities of fish parasites in lake baikal has been conducted for the first time. it has been revealed that parasite infracommunities for the majority of baikal fishes are weakly balanced and impoverished (the berger-parker index is > 0.5; evension is < 0.5; the brillouin index is < 1). the highest diversity and balance of the communities are characteristic for carnivorous fishes (brachymystax lenok, hucho taimen, thymallus arcticus, esox lucius, and ... | 2007 | 16755724 |
| monitoring the response of microcontaminants by dynamic daphnia magna and leuciscus idus assays in the rhine delta: biological early warning as a useful supplement. | following some severe upstream calamities in the eighties, biological early warning systems with fish and waterfleas were installed at monitoring stations in the rhine and the meuse. laboratory tests suggest that these whole-organism monitors are likely to respond at concentrations close to lethal levels. current average and peak concentrations of compounds that can be identified and of which information on toxicity is available are often below these levels. nevertheless, several alerts were reg ... | 1993 | 7507817 |
| [the finding of a parasite nematode of the genus molnaria (skrjabillanidae) in the volga basin]. | a larva of molnaria sp. has been found in leuciscus idus caught in the upper volga. this is the first record of the nematode of the genus molnaria in the volga basin. | 2007 | 12173457 |