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virus neutralizing antibodies to arboviruses in birds of the order anseriformes in czechoslovakia.sera from birds of the order anseriformes in czechoslovakia were examined for virus neutralizing (vn) antibodies to arboviruses. vn antibodies to sindbis, calovo and tahyna viruses were found in 15, 5 and 6 out of 106 greylag goose (anser anser) sera. out of 38 ducks, 6 mallards (anas platyrhynchos) and 1 garganey (anas querquedula) contained vn antibodies to sindbis virus, 6 mallards to calovo virus, 4 mallards and 1 garganey to tahyna virus, 2 mallards and 1 garganey to tick-borne encephalitis ...1975241234
detection of antibodies to alphaviruses and flaviviruses in some migratory birds of the danube delta.data are reported on the presence of antibodies to some group a(alphavirus) b(flavivirus) arboviruses in 8 species of migratory birds (ardea cinerea, plegadis falcinellus, anas querquedula, anser albifrons, gavia arctica, fulica atra, larus minutes and and phalacrocorax corbo) of the danube delta.1978676070
serological investigations concerning the presence of antibodies to arboviruses in wild birds.serum samples from 8 species of migratory birds (ardea cinerea, plegadis falcinellus, anas querquedula, anser albifrons, gavia arctica, fulica atra, phalacrocorax carbo, larus minutus) were tested for the presence of hemagglutination-inhibiting (hai) antibodies to alpha- and flaviviruses. hai antibodies to alphaviruses (eastern equine encephalitis, western equine encephalitis, sindbis, middelburg, semliki forest) ranging in titer from 1/20 to 1/160 were detected in 46 serum samples; 22 serum sam ...19846710861
[demonstration of rhodoxanthine in the spleen of the garganey (anas crecca l.)]. 19826820829
nutritional and bacteriological properties of some game duck carcasses.the aim of this work was to evaluate the body composition, bacteriological quality, proximate composition, amino acids content, total lipids fractionation, as well as fatty acids profile in breast and thigh meat (with skin) of males and females of two species of game ducks namely: pintail (anas acuta) and garganey (anas querquedula). the obtained results are as follows. the live weight of pentail and garganey females constituted 59.0 and 86.0% of male's weight in pintail and garganey, respective ...200111534470
[detection of west nile virus in birds in the territories of baraba and kulunda lowlands (west siberian migration way) during summer-autumn of 2002].west nile virus (wnv) was discovered in 3 species of birds collected in summer-autumn, 2002, in the south of western siberia. wnv was identified by elisa and rt-pcr. three of 5 dead rooks (corvus frugilegus), which were found in the territory of the kulunda plain, were wnv-infected. wnv rna was detected in 2% of samples of internal organs of aquatics birds, i.e. teal (anas crecca) and garganey (anas querquedula), caught in the chany lake (baraba plain). nucleotide sequencing of the 300-472 aa fr ...200415188656
[genetic variety of influenza a virus in the populations of wild birds in the south of western siberia].influenza a virus variants belonging to h3 and h4 subtypes were isolated from wild ducks inhabiting in the south of western siberia. phylogenetic analysis of hemagglutinin (ha) gene of these viruses has revealed that h3 isolates are closely related to those isolated from the bird inhabiting in west europe (a/teal/germany/wv01r/01, a/duck/ukraine/1/63) and china (a/aquatic bird/hong kong/399/99); and those isolated from the birds inhabiting in germany (a/garganey/germany/wv157k/01, a/teal/germany ...200516104520
[monitoring influenza a virus and newcastle disease virus in migratory waterfowls in sanjiang natural reserve of heilongjiang province].in order to monitor the present situation of avian influenza virus (aiv) and newcastle disease virus (ndv) in migratory waterfowls effectively, 158 tracheal and cloacal swab samples for wild birds were collected from sanjiang natural reserve during migratory seasons in october 2005, april 2006 and october 2006.200819160826
[infection of pigs with influenza a/h4 and a/h5 viruses isolated from wild birds on the territory of russia].pigs were intranasally infected with avian influenza a/h5 (h5n1, h5n3) and a/h4 (h4n6, h4n8) viruses in mono- and coinfection. infection with both apathogenic and pathogenic strains caused no clinical manifestations. a virus and/or fragments of its genome retained in nasopharyngeal fluid as long as 6-8 days after infection. during monoinfection, the structure of the hemagglutinin (ha) receptor site of isolates from the pigs infected with a/h5n1 strains (a/chicken/kurgan/3/2005, a/duck/russia/535 ...200819172904
migration of waterfowl in the east asian flyway and spatial relationship to hpai h5n1 outbreaks.poyang lake is situated within the east asian flyway, a migratory corridor for waterfowl that also encompasses guangdong province, china, the epicenter of highly pathogenic avian influenza (hpai) h5n1. the lake is the largest freshwater body in china and a significant congregation site for waterfowl; however, surrounding rice fields and poultry grazing have created an overlap with wild waterbirds, a situation conducive to avian influenza transmission. reports of hpai h5n1 in healthy wild ducks a ...201020521681
surveillance and identification of influenza a viruses in wild aquatic birds in the crimea, ukraine (2006-2008).the ecology of avian influenza (ai) viruses in wild aquatic birds of asia is poorly understood, especially for the h5n1 high pathogenicity ai (hpai) viruses. from march 2006 through november 2008, 20 ai viruses were isolated in the crimea region of ukraine with an overall frequency of virus recovery of 3.3%. all the viruses were isolated from three species of dabbling ducks: mallard (anas platyrhynchos), wigeon (anas penelope), and garganey (anas querquedula), making the frequency of virus recov ...201020945793
cloacotaenia megalops (nitzsch in creplin, 1829) (cestoda, hymenolepididae) in wild ducks in western pomerania, poland.cloacotaenia megalops (nitzsch in creplin, 1892) is a polyxenic and cosmopolitan tapeworm from the family hymenolepididae. its generic name derives from their typical location (cloaca), and the typical final hosts which are birds typically associated with water and marsh environments: anseriformes, galliformes and gruiformes. in poland, the presence of c. megalops has been observed so far in 16 species of ducks from the baltic coast, the mazurian lake district, wielkopolsko-kujawska lowland, maz ...201121682099
surveillance for avian influenza virus in wild birds in poland, 2008-15.we tested wild birds in poland during 2008-15 for avian influenza virus (aiv). we took 10,312 swabs and feces samples from 6,314 live birds representing 12 orders and 84 bird species, mostly from orders anseriformes and charadriiformes, for testing and characterization by various pcr methods. from pcr-positive samples, we attempted to isolate and subtype the virus. the rna of aiv was detected in 1.8% (95% confidence interval [ci], 1.5-2.1%) of birds represented by 48 mallards ( anas platyrhyncho ...201728094608
avian influenza viruses in wild birds at the jeziorsko reservoir in poland in 2008-2010.during a 3-year surveillance study for avian influenza virus (aiv) infections at the jeziorsko reservoir in central poland, 549 oropharyngeal or cloacal swabs from 366 birds of 14 species belonging to 3 orders (anseriformes, charadriiformes and gruiformes) were tested. aiv was detected in 14 birds (3.8%): common teals (12x), mallard (1x) and garganey (1x). three potentially dangerous h5 aiv were detected in common teals (2x) and garganey (1x) but all of them revealed a low pathogenic pathotype. ...201222844711
antitoxin therapy of natural avian botulism outbreaks occurred in brazil.botulism commonly affects water birds and it has recently been observed to be emerging in poultry production. in the present work, outbreaks of botulism in wild native species, such as the black-fronted piping-guan (aburria jacutinga), wild duck (cairina moschata) and its crosses with mallard (anas platyrhynchos), and domestic chickens (gallus gallus domesticus) are described. following treatments with a commercial botulism antitoxin cd, 28 (96.5%) out of 29 animals fully recovered after 24-72 h ...201728807621
waterbird counts on large water bodies: comparing ground and aerial methods during different ice conditions.the aerial and ground methods of counting birds in a coastal area during different ice conditions were compared. ice coverage of water was an important factor affecting the results of the two methods. when the water was ice-free, more birds were counted from the ground, whereas during ice conditions, higher numbers were obtained from the air. the first group of waterbirds with the smallest difference between the two methods (average 6%) contained seven species: mute swan cygnus olor, whooper swa ...201830038859
botulism in wild birds and changes in environmental habitat: a relationship to be considered.any human activity, even if aimed at the improvement of a natural area, can potentially affect wildlife, leading to possible short-term or long-term changes due to the human-wildlife interaction. in this study, a botulism outbreak which occurred in waterfowl in a nature reserve after a conservative environmental action is reported. more than 180 different species of wild birds, including seventy waterfowl species, live in the area. the wildlife reserve rangers built an artificial pond equipped w ...201931779284
[complex environmental and virological monitoring in the primorye territory in 2003-2006].the paper presents the results of monitoring of viruses of western nile (wn), japanese encephalitis (je), tick-borne encephalitis (tbe), geta, influenza a, as well as avian paramicroviruses type i (virus of newcastle disease (nd)) and type 6 (apmv-6) in the primorye territory in 2003-2006. totally throughout the period, specific antibodies to the viruses were detected by neutralization test in wild birds (7.3%, wn; 8.0%, geta; 0.7% batai; 2.8%, alpine hare (lepus timidus); by hemagglutination-in ...200718041224
nearly complete genome sequence of a newcastle disease virus strain isolated from a wild garganey (spatula querquedula) in russia.this work describes the nearly complete genome sequence of newcastle disease virus (ndv) strain ndv/novosibirsk/garganey/27/2014, which was isolated from a wild garganey in western siberia, russia. the ndv strain was classified as belonging to class ii of genotype i and was identified as having recent common ancestry with isolates from wild and domestic birds in china and south korea.201931831606
complete coding genome sequence of an avian influenza a/h3n8 virus strain detected in north kazakhstan in 2018.we report the complete coding genome sequence of the influenza a/h3n8 virus, isolated from anas querquedula in northern kazakhstan in 2018. phylogenetic analysis of the surface antigens of strain a/garganey/north-kazakhstan/45/2018 showed that its hemagglutinin belonged to the asian line, while its neuraminidase was assigned to the eurasian group.202032675181
surface ultrastructural descriptions of the oropharyngeal cavity of anas querquedula.the current work considers the first anatomical description of oropharyngeal cavity of garganey, which was performed on eight heads with the help of scanning electron microscopy (sem). the round apex of elongated tongue has anterior spatula-like named lingual nail. sem of dorsal surface of lingual nail carry microtubercles and micropores on its rostral part, while its caudal part carry numerous microridges and micropores, while lateral apical surface only without lingual nail carrying filiform p ...201931087441
morphological features of the gastrointestinal tract of garganey (anas querquedula, linnaeus 1758)-oesophagus to coprodeum.the present work was aimed to study the gastrointestinal tract in garganey from the oesophagus to coprodeum by the aid of the gross morphology, scanning electron microscopy and histology. at the level of the thoracic inlet, the oesophagus had a thick part which had numerous tortuous longitudinal folds carried transverse folds on them. histologically, the thick part had thick epithelium and appeared more folded with more and larger glands. the mucosa of the proventriculus had mucosal folds appear ...202031793044
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