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on the unmyelinated nerve glomuses in the bird's palate.the studies on the structure and morphological variability of nerve endings in the palate mucosa of streptopelia decaocto friv, have been carried out. besides single loose or dense, irregular glomuses one can observe complex glomuses as well. the former and the latter do not possess of neither capsules nor tactile cells. the author suppose that both types of glomuses can correspond to free nerve endings and receptors in which the feeling of pain is coded.197676376
alterations in plasma sexual steroid concentrations in the collared dove (streptopelia decaocto) during the sexual maturation and reproduction cycle.plasma progesterone (prog), testosterone (test), oestrone (e1) and 17 beta-oestradiole (e2) concentrations were determined in collared doves living under natural conditions in young as well as sexually inactive animals further in different phases of the reproduction cycle; measurements were made by radioimmunoassay following sephadex lh 20 chromatography. sexual steroid plasma concentration in young and sexually inactive male and female birds were essentially the same characterized by relatively ...1979543405
[thyroid homeostasis in animals with iodine deficiency].the content of total iodine, its hormonal and nonhormonal fractions as well the level of protein-bound iodine in blood and basic tissue targets in representatives of 4 classes of animals: esox lucius l., rana esculenta, streptopelia decaocto priv., lepus europaeus pall. inhabiting the mountain regions with iodine deficiency in environment and in the lowlands of transcarpathia with higher iodine provision have been investigated. a considerable decrease of general and hormone iodine level in the a ...19883265636
chlamydiosis in birds in great britain. 1. serological reactions to chlamydia in birds sampled between 1974 and 1983.a total of 6593 serum samples from birds, received for diagnostic testing or surveys between 1974 and 1983, were titrated by direct complement fixation (cf) test against chlamydia psittaci antigen. the percentage of positive reactions found was variable for domestic poultry, ranging from 1.5 in chickens to 22.2 in geese, and was highest in pigeons columba livia (47.3) and collared doves streptopelia decaocto (51.4). a moderate incidence was found for game birds (29.0), wild ducks (23.3) and impo ...19863734430
chlamydiosis in birds in great britain. 2. isolations of chlamydia psittaci from birds sampled between 1976 and 1984.a total of 1531 diagnostic submissions from birds were examined by culture for the presence of chlamydia psittaci between june 1976 and december 1984 by growth in nctc 929 clone l mouse fibroblast cells, pretreated with an inhibitor of cell division, followed by direct immunofluorescence microscopy. of these, 196 were found positive. the continued importance of psittacine birds as potential sources of infection was shown by the high number of positives (139) obtained from birds of that order. th ...19863734431
cutaneous water evaporation--i. its significance in heat-stressed birds.in a comparative study on avian cutaneous evaporation, two species of phasianidae, japanese quail coturnix coturnix japonica and chukar partridge alectoris chukar, and three species of columbidae, palm dove streptopelia senegalensis, collared turtle dove streptopelia decaocto and rock pigeon columbia livia, were investigated. the skin resistance to vapor diffusion (rs) and cutaneous water loss (cwl) were studied in these birds exposed to air temperatures (ta) between 20 and 52 degrees c. the ski ...19836136378
isolation and identification of chlamydia psittaci from collared doves (streptopelia decaocto). 19836879973
plasma corticosterone, thyroxine and triiodothyronine level in the collared dove (streptopelia decaocto) during the reproductive cycle.male and female collared doves living in their natural environment, sexually inactive or in different stages of their reproductive cycle, were collected. plasma triiodothyronine (t3) and thyroxine (t4) were determined by radioimmunoassay (ria), whereas the corticosterone (crt) level was measured by competitive protein binding assay (cpba). the plasma t3 level showed no change except in female hatching birds. the t4 content was constant in young and sexually inactive birds, while in male birds it ...19807282373
[fatal neurological syndrome in a collared dove (streptopelia decaocto) and fixation of ixodes pari (= i. frontalis) tick (author's transl)].tick paralysis is probably a common condition in wild birds, but rarely observed. the authors report the case of a collared dove (s. decaocto) presenting a fatal neurological syndrome associated with the fixation of a ixodes pari female above the right eye. virological studies of bird's tissues and of the tick were negative. these findings were compatible with tick paralysis or a minor equivalent of this syndrome. in addition, it was the first time that a collared dove is found as host for i. pa ...19817332635
[epizootiology and pathogenesis of avian mycobacteriosis in doves (streptopelia sp.)].the collared turtle-dove (streptopelia decaocto) and the turtle dove are common synanthropic bird species. the collared turtle dove in particular comes to close contact with farm animals, including with tuberculosis-infected small poultry on farms. it can thus be infected by avian mycobacteria and to become their further source and disseminator. elucidating the occurrence of avian mycobacteriosis in turtle we examined 218 specimens of the collared turtle-doves and 22 specimens of turtle-doves ta ...19938259641
sound production in the collared dove: a test of the 'whistle' hypothesisthe mechanism of sound production in the collared dove streptopelia decaocto was studied to test the validity of the 'whistle' model and to analyze the role of vocal tract resonances. in this study, the vocalizations of six male adult doves were recorded both in normal air and in a mixture of 80 % helium and 20 % oxygen (heliox). depending on the way in which the syrinx operates, the spectral structure of the vocalizations is expected to show specific changes in heliox. the effects of heliox dif ...19989556544
perceptual tuning to frequency characteristics of territorial signals in collared doves.frequency modulations in the perch coos of collared doves, streptopelia decaocto, affected the responses of territorial males. in this study we used playback experiments to reveal the impact of absolute and relative aspects of the frequency modulations on this responsiveness. modulated coos always led to stronger responses compared with unmodulated coos, irrespective of the size of the frequency modulation, except when they contained frequencies outside the natural range. we found an optimum for ...19989790695
immunohistochemical characterization of forebrain areas in the collared dove (streptopelia decaocto).the distribution of four neuroactive substances was studied in the telencephalon of the collared dove using enzyme- and immunohistochemistry. the distribution of acetylcholinesterase and dopamine was similar to that described in other birds. galanin-immunoreactive fibres were found mainly in the paleostriatum primitivum , the medial part of the parolfactory lobe (lpo) and the lateral septal nucleus; galanin may interfere with acetylcholine activity. intense gastrin releasing peptide (grp)-immuno ...199910342445
distribution of gastrin-releasing peptide immunoreactivity in the brain of the collared dove (streptopelia decaocto).the distribution of immunoreactivity after applying an antibody against gastrin-releasing peptide (grp) was studied in the brain of the collared dove (streptopelia decaocto). in the forebrain grp-immunoreactive (grp-ir) cells were found in the hyperstriatum accessorium, medial and lateral parts of the neostriatum, corticoidea dorsolateralis and temporoparieto-occipitalis areas, hippocampus, pre- and parahippocampal areas and prepiriform cortex. in the brainstem, grp-ir cells were restricted main ...200010805083
the distribution of dopamine, substance p, vasoactive intestinal polypeptide and neuropeptide y immunoreactivity in the brain of the collared dove, streptopelia decaocto.this study is part of a program intended to provide the neuroanatomical framework for investigations of the role of brain areas in specific aspects of behavior in the collared dove. in the present study, the distribution of dopamine-, substance p-, vasoactive intestinal polypeptide (vip)- and neuropeptide y (npy)-immunoreactivity are mapped throughout the brain of this bird. for each substance, our observations are compared with data from studies in other species of birds. over all, our data con ...200211756007
characterization of newcastle disease virus isolates obtained from eurasian collared doves (streptopelia decaocto) in italy.eurasian collared doves (streptopelia decaocto) are thought to originate from india and they have colonized, throughout the centuries, the middle east and, more recently, mediterranean countries such as italy and spain. in the present paper we report of the isolation and characterization of newcastle disease viruses (ndv) obtained from eurasian collared doves during 2000-2001, and compare them to isolates obtained from feral pigeons (columba livia) during the same period. all isolates could be c ...200312745382
[immunological relations between streptopelia turtur, streptopelia risoria and streptopelia decaocto]. 195713499709
nucleotide and predicted amino acid sequence analysis of the fusion protein and hemagglutinin-neuraminidase protein genes among newcastle disease virus isolates. phylogenetic relationships among the paramyxovirinae based on attachment glycoprotein sequences.highly virulent newcastle disease virus (ndv) isolates are list a pathogens for commercial poultry, and reports of their isolation among member nations must be made to the office of international epizootes (oie). the virus is classified as a member of the order mononegavirales in the family paramyxoviridae of the subfamily paramyxovirinae. two interactive surface glycoproteins, the fusion (f) and hemagglutinin-neuraminidase (hn) proteins, play essential roles in ndv attachment and fusion of cell ...200415108051
parasitic helminths of eurasian collared-doves (streptopelia decaocto) from florida.sixty-three eurasian collared-doves (ecds) (streptopelia decaocto) from florida were examined for parasitic helminths from june to december 2001. nine species of helminths were identified (5 nematodes, 2 cestodes, and 2 trematodes). the most prevalent helminths were ascaridia columbae (73.0%), fuhrmannetta crassula (28.6%), ornithostrongylus quadriradiatus (12.7%), and bruscapillaria obsignata (11.1%). the helminths with the greatest mean intensity were tanaisia bragai (13.5), a. columbae (9.3), ...200515856898
metabolic bone disease in wild collared doves (streptopelia decaocto).the records of 666 casualty collared doves examined at a wildlife hospital in south-west england over a period of five years were reviewed. signs of metabolic bone disease were recorded in 51.2 per cent of the juvenile birds but in only 9.6 per cent of the adults. the incidence of the condition was highest between december and february and decreased almost to zero between june and august. histological lesions in 11 of the juvenile doves were consistent with vitamin d deficiency, possibly as a re ...200717237457
hierarchical spatiotemporal matrix models for characterizing invasions.the growth and dispersal of biotic organisms is an important subject in ecology. ecologists are able to accurately describe survival and fecundity in plant and animal populations and have developed quantitative approaches to study the dynamics of dispersal and population size. of particular interest are the dynamics of invasive species. such nonindigenous animals and plants can levy significant impacts on native biotic communities. effective models for relative abundance have been developed; how ...200717688508
competition for resources modulates cell-mediated immunity and stress hormone level in nestling collared doves (streptopelia decaocto).competitive stress imposed by hatching asynchrony may affect developmental trajectories of offsprings by regulating resource allocation between growth and other fitness-related traits. for instance, the down-regulation of immunity is a commonly observed phenomenon under stressful conditions. however, physiological mechanisms that regulate resources allocation to growth and immune functions in response to competition for resources, as well as inter-sexual differences in physiological strategies, ...200818028928
isolation and preliminary characterisation of a paramyxovirus from collared doves (streptopelia decaocto).a haemagglutinating virus was isolated from the caecal tonsils of dead collared doves (streptopelia decaocto). the virus was identified as an avian paramyxovirus showing some antigenic relationships with pmv-7 /dove/tennessee/4/75 and pmv-?/pigeon/otaru/76. of 15 collared doves and 24 feral pigeons trapped and sampled at the site at which dead doves were found, only two pigeons had significant antibody litres to the isolate. the virus was apathogenic for experimentally infected pigeons and chick ...198318766768
[leukosis in captive wild birds].among 2589 captive wild birds, examined between 1974 and 1983, we found leukosis in 26 birds belonging to 13 different species and five orders. we diagnosed lymphoid leukosis in 11 birds (two melopsittacus undulatus, two psittacus erithacus one platycerus eximius, one columba livia, one streptopelia decaocto, one polyplectron bicalcaratum, one pavo cristatus, one aptenodytes patachonia and one finch, species unknown), myeloid leukosis in 14 (nine melopsittacus undulatus, two agapomis personata f ...198418766880
survival cost of an early immune soliciting in nature.if immune functions confer obvious benefits to hosts, life-history theory assumes that they also induce costs, leading to trade-offs between immunity and other fitness components. however, whether substantial fitness costs are associated with immune systems in the wild is debatable, as numerous factors may influence the costs and benefits associated with immune activation. here, we explore the survival cost of immune deployment in postfledging birds. we injected eurasian collared dove nestlings ...200919055677
are diffusion models too simple? a comparison with telegraph models of invasion.diffusion models of animal movement are often criticized because they assume animals have infinite velocity and completely random motion. to investigate the impact of these assumptions, i compared a diffusion model with a telegraph model of dispersal the telegraph model assumes organisms have finite velocity and tend to maintain their direction. i compared the models in two settings: (i) as models for dispersal of nonreproducing organisms and (ii) as models for range expansion of organisms that ...199319425956
the relationship between perfluorinated chemical levels in the feathers and livers of birds from different trophic levels.although feathers have been used successfully for monitoring heavy metals and organic pollutants, there are currently no data available on the use of feathers as indicators of perfluorinated chemical (pfc) exposure in birds. also, no study has evaluated pfc levels in birds with different diets from different habitats. in the current study we investigated the pfc exposure of five different bird species from the same geographic region in belgium, using both feathers and liver tissue. the highest m ...200919716165
new records of chewing lice (phthiraptera) from some bird species in turkey.objective: this study was carried out to detect chewing-lice found on some birds in turkey. methods: for this aim, a eurasian collared dove (streptopelia decaocto), a budgerigar (melopsittacus undulatus) and a marbled duck (marmaronetta angustirostris) were examined for the louse. results: columbicola bacillus (giebel, 1866) was found on a eurasian collared dove (streptopelia decaocto), afrimenopon waar (eichler, 1947) on a budgerigar (melopsittacus undulatus) and anatoecus icterodes (nitzsch, 1 ...201021391186
characterization of velogenic newcastle disease viruses isolated from dead wild birds in serbia during 2007.avian paramyxoviruses type 1 or newcastle disease viruses (ndv) are frequently recovered from wild birds and such isolates are most frequently of low virulence. velogenic ndv are usually recovered from poultry and only occasionally from wild birds. five ndv isolates were obtained from carcasses of four wild bird species during 2007 in serbia: mallard (anas platyrhynchos), eurasian sparrowhawk (accipiter nisus), feral rock pigeon (columba livia), and eurasian collared dove (streptopelia decaocto) ...201121441197
hierarchical modeling of an invasive spread: the eurasian collared-dove streptopelia decaocto in the united states.invasive species are regularly claimed as the second threat to biodiversity. to apply a relevant response to the potential consequences associated with invasions (e.g., emphasize management efforts to prevent new colonization or to eradicate the species in places where it has already settled), it is essential to understand invasion mechanisms and dynamics. quantifying and understanding what influences rates of spatial spread is a key research area for invasion theory. in this paper, we develop a ...201121516906
helminth community composition, structure, and pattern in six dove species (columbiformes: columbidae) of south texas.abstract abstract: the helminth community composition and structure of 6 species of columbids residing in south texas are reported and compared herein. sixty rock pigeons, columba livia (rp), mourning doves, zenaida macroura (md), eurasian collared-doves, streptopelia decaocto (ecd), white-winged doves, zenaida asiatica (wwd), common ground doves, columbina passerina (cgd), and 48 inca doves, columbina inca (id), were collected during the summer of 2006 and examined for helminths. twelve he ...201121955248
plasma and whole brain cholinesterase activities in three wild bird species in mosul, iraq: in vitro inhibition by insecticides.plasma and brain cholinesterase activities were determined in three wild bird species to assess their exposure to organophosphate and carbamate insecticides which are used in agriculture and public health. in the present study, we used an electrometric method for measurement of cholinesterase activities in the plasma and whole brain of three indigenous wild birds commonly found in northern iraq. the birds used were apparently healthy adults of both sexes (8 birds/species, comprising 3-5 from eac ...201122058655
evidence of west nile virus lineage 2 circulation in northern italy.a west nile virus (wnv) strain belonging to lineage 2 was for the first time detected in two pools of culex pipiens collected in the province of udine and in tissues of a wild collared dove (streptopelia decaocto) found dead in the province of treviso, in north east of italy. it was molecularly identified by group and wnv lineage specific rt-pcrs and characterized by partial sequencing of the ns3 and ns5 genes. when compared with the sequences of same fragments of ns3 and ns5 of the wnv lineage ...201222406344
expansion of an exotic species and concomitant disease outbreaks: pigeon paramyxovirus in free-ranging eurasian collared doves.eurasian collared doves (streptopelia decaocto) have expanded their range across the united states since their introduction several decades ago. recent mortality events in eurasian collared doves in arizona and montana, usa, during the winter of 2009-2010 were the result of pigeon paramyxovirus (ppmv), a novel disease agent. the first instance of mortality by this emerging infectious disease in this species occurred in florida in 2001 with subsequent disease events in 2006 and 2008. full diagnos ...201222476688
trichomonosis in free-ranging eurasian collared doves (streptopelia decaocto) and african collared dove hybrids (streptopelia risoria) in the caribbean and description of its-1 region genotypes.we report the first documented occurrence of an outbreak of trichomonosis in a free-ranging small flock of eurasian collared doves (streptopelia decaocto) and african collared dove hybrids (streptopelia risoria) in the caribbean. in total, 18 birds were examined, including six african collared dove x eurasian collared dove hybrids and 12 eurasian collared doves. the affected age class consisted of adults. sex distribution was equal. with a flock population size of 200 birds, mortality rate for t ...201222856210
west nile virus in north-eastern italy, 2011: entomological and equine igm-based surveillance to detect active virus circulation.since 2008, west nile virus (wnv) has expanded its range in several italian regions, and its yearly recurrence suggests the virus may have become endemic in some areas. in 2011, a new plan based also on the detection of igm antibodies was implemented in the north-eastern italian regions of veneto and friuli venezia giulia, aiming to early detect wnv infections in areas where the virus had already circulated during the previous summers, and in adjacent zones. from july to november 2011, 1880 sera ...201322971022
coi barcodes and phylogeny of doves (columbidae family).cytochrome oxidase subunit i (coi) gene has been recognized as an authentic tool for species identification. besides its potential barcoding capacity, coi sequences have also been used for inferring the phylogeny. phylogenetic relationships among genera of columbidae (pigeons and doves family) have not been fully resolved because of scarce sampling of taxa and limited availability of sequence data. in this study, we have evaluated the efficiency of coi barcodes for species identification and phy ...201323544616
trichomonad parasite infection in four species of columbidae in the uk.trichomonas gallinae is an emerging pathogen in wild birds, linked to recent declines in finch (fringillidae) populations across europe. globally, the main hosts for this parasite are species of columbidae (doves and pigeons); here we carry out the first investigation into the presence and incidence of trichomonas in four species of columbidae in the uk, through live sampling of wild-caught birds and subsequent pcr. we report the first known uk cases of trichomonas infection in 86% of european t ...201323866933
an avifaunal survey of mesic manmade ecosystems "oases" in algerian hot-hyperarid lands.man made ecosystems of dry lands are key habitats due to their ecological characteristics to survey biodiversity. this study investigated bird diversity in three oases of the northern algerian sahara (i.e., biskra in 2006, oued souf in 2008 and ouargla in 2009), by using the spot-mapping method. bird density "d" (pairs/10 ha), species richness "s" (number species), diversity (shannon index) "h'" (in bits), and evenness "e" varied from one oasis to another (biskra: d = 98.5, s = 47, h' = 4.49, e  ...201323961217
molecular classification of pakistani collared dove through dna barcoding.pakistan is bestowed by a diversified array of wild bird species including collared doves of which the taxonomy has been least studied and reported. dna barcoding is a geno-taxonomic tool that has been used for characterization of bird species using mitochondrial cytochrome c oxidase i gene (coi). this study aimed to identify taxonomic order of pakistani collared dove using dna barcoding. purposely herein, we present a phylogenetic analysis of pakistani collared dove based on 650 base pairs of c ...201324072655
aldrin poisoning of sarus cranes (grus antigone) and a few granivorous birds in keoladeo national park, bharatpur, india.: between 1987-88 and 1989-90, 18 sarus cranes (grus antigone), more than 50 collared doves (streptopelia decaocto) and a few blue rock pigeons (columba livia) were found dead during winter in keoladeo national park, bharatpur, which coincided with the application of aldrin in the crop fields around the park. brain tissue of sarus cranes, collared doves and blue rock pigeons contained an average of 19.33 (3.56-43.46), 15.19 (7.40-20.70), and 20.42 (14.61-26.23) ppm, wet weight, of dieldrin, resp ...199324201581
experimental infection of eurasian collared-dove (streptopelia decaocto) with west nile virus.the eurasian collared-dove (streptopelia decaocto) has recently experienced a population explosion in north america. it is frequently infected with west nile virus (wnv). to test the hypothesis that the eurasian collared-dove is competent to transmit wnv, we experimentally infected two cohorts of doves with two different strains of wnv, co08, and ny99, respectively. both virus strains induced a low-level viremia, capable of infecting a small fraction of vector mosquitoes. we suggest that the eur ...201324581347
test of magnetic sensitivity in seven species of european birds using a cardiac nociceptive conditioning procedure.an attempt was made to show magnetic sensitivity in seven species of european birds captured during their migration. the test was done on the following species: streptopelia turtur (n=8), streptopelia decaocto (n=2), corvus monedula (n=6); one individual of the following: corvus corone c., turdus philomelos, turdus viscivorus, anas penelope. most of the individuals were first subjected to conditioning to a light stimulus. they were then subjected to differential nociceptive conditioning to 100 p ...197724896432
chlamydiosis in british garden birds (2005-2011): retrospective diagnosis and chlamydia psittaci genotype determination.the significance of chlamydiosis as a cause of mortality in wild passerines (order passeriformes), and the role of these birds as a potential source of zoonotic chlamydia psittaci infection, is unknown. we reviewed wild bird mortality incidents (2005-2011). where species composition or post-mortem findings were indicative of chlamydiosis, we examined archived tissues for c. psittaci infection using pcr and arraytube microarray assays. twenty-one of 40 birds tested positive: 8 dunnocks (prunella ...201424947738
range expansion and population dynamics of an invasive species: the eurasian collared-dove (streptopelia decaocto).invasive species offer ecologists the opportunity to study the factors governing species distributions and population growth. the eurasian collared-dove (streptopelia decaocto) serves as a model organism for invasive spread because of the wealth of abundance records and the recent development of the invasion. we tested whether a set of environmental variables were related to the carrying capacities and growth rates of individual populations by modeling the growth trajectories of individual popul ...201425354270
chlamydia psittaci in eurasian collared doves (streptopelia decaocto) in italy.we investigated the chlamydia spp. occurrence in eurasian collared doves (streptopelia decaocto) from urban and suburban areas in northern italy. among 76 doves screened, prevalence of chlamydia spp. was 61%. chlamydia psittaci genotype e was identified in 33 of the 46 positive samples. the multilocus sequence typing pattern of one highly positive sample showed a new allelic combination. the same molecular features were observed in a c. psittaci strain subsequently isolated from a live dove. our ...201525375950
first detection of arcobacter sp. in eurasian collared doves (streptopelia decaocto).data about the presence of arcobacter in wild birds are currently lacking. in this study cloacal swabs from 95 collared doves (streptopelia decaocto), submitted to the department of veterinary medical sciences (bologna, italy) between 2011 and 2013 from various urban and suburban areas of the emilia-romagna region (northern italy), were tested for the presence of arcobacter sp. by a rrna 23s nested polymerase chain reaction (pcr). eighteen out of 95 (19%) samples showed the expected pcr product. ...201425546070
tick-borne zoonotic pathogens in birds in guangxi, southwest china.wildlife is an important natural reservoir of many tick-borne pathogens. these agents have an impact on the health of humans and other animals throughout the world. this study was conducted to determine whether and what species of tick-borne agents had infected wild birds collected from guangxi, in southwest china.201526666827
yersinia pseudotuberculosis in eurasian collared doves (streptopelia decaocto) and retrospective study of avian yersiniosis at the california animal health and food safety laboratory system (1990-2015).in february 2015, two eurasian collared doves (streptopelia decaocto) were submitted dead to the california animal health and food safety (cahfs) laboratory, turlock branch, from a private aviary experiencing sudden, high mortality (4/9) in adult doves. in both doves, the gross and histologic lesions were indicative of acute, fatal septicemia. grossly, there were numerous pale yellow foci, 1 to 2 mm in diameter, in the liver and spleen. microscopically, these foci were composed of acute severe m ...201626953950
histopathologic and molecular characterization of sarcocystis calchasi encephalitis in white-winged doves ( zenaida asiatica ) and eurasian collared doves ( streptopelia decaocto ), east-central texas, usa, 2010-13.sarcocystis calchasi is a recently described apicomplexan parasite that causes encephalitis in avian hosts. we diagnosed one white-winged dove ( zenaida asiatica ) and two eurasian collared doves ( streptopelia decaocto ) in texas, us, with a history of neurologic signs with protozoal encephalitis. on histologic examination, all three doves had moderate to severe meningoencephalitis characterized by large numbers of plasma cells, lymphocytes, and macrophages with gliosis and astrocytosis. brain ...027124332
six-year surveillance of newcastle disease virus in wild birds in north-eastern spain (catalonia).given that newcastle disease (nd) is one of the major threats for the poultry industry, testing of newcastle disease virus (ndv) has been carried out since 2010 in cases of mortality in wild birds (passive surveillance) in catalonia. the objective is to provide an early warning system to prevent the infection of poultry. since 2010, 35 episodes of mortality in wild birds were attributed to ndv infection. throughout this period there was a progressive expansion of ndv to new areas, with an increa ...201727754702
natural infections with pigeon paramyxovirus serotype 1: pathologic changes in eurasian collared-doves ( streptopelia decaocto) and rock pigeons ( columba livia) in the united states.pigeon paramyxovirus serotype 1 (ppmv-1) is a globally distributed, virulent member of the avian paramyxovirus serotype 1 serogroup that causes mortality in columbiformes and poultry. following introduction into the united states in the mid-1980s, ppmv-1 rapidly spread causing numerous mortality events in eurasian collared-doves ( streptopelia decaocto) (ecdos) and rock pigeons ( columba livia) (ropis). the investigators reviewed pathological findings of 70 naturally infected, free-ranging colum ...201728382855
high prevalence of trichomonas gallinae in wild columbids across western and southern europe.avian trichomonosis is known as a widespread disease in columbids and passerines, and recent findings have highlighted the pathogenic character of some lineages found in wild birds. trichomonosis can affect wild bird populations including endangered species, as has been shown for mauritian pink pigeons nesoenas mayeri in mauritius and suggested for european turtle doves streptopelia turtur in the uk. however, the disease trichomonosis is caused only by pathogenic lineages of the parasite trichom ...201728521843
predictable invasion dynamics in north american populations of the eurasian collared dove streptopelia decaocto.species invasions represent a significant dimension of global change yet the dynamics of invasions remain poorly understood and are considered rather unpredictable. we explored interannual dynamics of the invasion process in the eurasian collared dove (streptopelia decaocto) and tested whether the advance of the invasion front of the species in north america relates to centrality (versus peripherality) within its estimated fundamental ecological niche. we used ecological niche modelling approach ...201728878061
whole-genome sequencing of genotype vi newcastle disease viruses from formalin-fixed paraffin-embedded tissues from wild pigeons reveals continuous evolution and previously unrecognized genetic diversity in the u.s.newcastle disease viruses (ndv) are highly contagious and cause disease in both wild birds and poultry. a pigeon-adapted variant of genotype vi ndv, often termed pigeon paramyxovirus 1, is commonly isolated from columbids in the united states and worldwide. complete genomic characterization of these genotype vi viruses circulating in wild columbids in the united states is limited, and due to the genetic variability of the virus, failure of rapid diagnostic detection has been reported. therefore, ...201829329546
gastrointestinal parasites in captive and free-ranging birds and potential cross-transmission in a zoo environment.gastrointestinal parasites are commonly reported in wild birds, but transmission amongst avifauna in zoological settings, and between these captive birds and wild birds in surrounding areas, remains poorly understood. a survey was undertaken to investigate the occurrence of gastrointestinal parasites in captive and free-ranging birds at bristol zoo gardens between may and july 2016. a total of 348 fecal samples from 32 avian species were examined using the mini-flotac flotation method. parasites ...201829517437
mtdna genetic diversity and structure of eurasian collared dove (streptopelia decaocto).the eurasian collared dove (streptopelia decaocto) is one of the most successful biological invaders among terrestrial vertebrates. however, little information is available on the genetic diversity of the species. a total of 134 eurasian collared doves from europe, asia and the caribbean (n = 20) were studied by sequencing a 658-bp length of mitochondrial dna (mtdna) cytochrome oxidase i (coi). fifty-two different haplotypes and relatively high haplotype and nucleotide diversities (hd±sd = 0.843 ...201829518164
evidence of cryptic species in the genus tinaminyssus (acari: rhinonyssidae) based on morphometrical and molecular data.the study of cryptic species allows to describe and to understand biodiversity, and the evolutionary processes shaping it. mites of the family rhinonyssidae are permanent parasites of the nasal cavities of birds, currently including about 500 described species and 12 genera. here, we tested the hypothesis that mites from five populations of the genus tinaminyssus-three isolated from european turtle doves (streptopelia turtur), and two from eurasian collared doves (streptopelia decaocto; aves: co ...201829876760
the decline of the turtle dove: dietary associations with body condition and competition with other columbids analysed using high-throughput sequencing.dietary changes linked to the availability of anthropogenic food resources can have complex implications for species and ecosystems, especially when species are in decline. here, we use recently developed primers targeting the its2 region of plants to characterize diet from faecal samples of four uk columbids, with particular focus on the european turtle dove (streptopelia turtur), a rapidly declining obligate granivore. we examine dietary overlap between species (potential competition), associa ...201829927007
ethnomedicinal applications of animal species by the local communities of punjab, pakistan.different species of animals are being utilized in traditional therapies by various cultures for a long time and such uses still exist in folk medicine. the present study aimed to document animal-based traditional therapies used by the local communities of jhelum and lahore districts of the punjab province, pakistan.201830111346
new records of chewing lice (phthiraptera: amblycera, ischnocera) from egyptian pigeons and doves (columbiformes), with description of one new species.little information is available about the chewing lice of wild birds of egypt, including common groups such as pigeons and doves (columbiformes). through this work, parasitic chewing lice of common columbiformes of egypt were revised including new data. three species of pigeons and doves (streptopelia decaocto frivaldszky 1838, spilopelia senegalensis linnaeus 1766 and columba livia gmelin 1789) were examined for chewing lice at three different localities. a total of 124 specimens of lice were c ...201930385218
evaluation of a novel west nile virus transmission control strategy that targets culex tarsalis with endectocide-containing blood meals.control of arbovirus transmission remains focused on vector control through application of insecticides directly to the environment. however, these insecticide applications are often reactive interventions that can be poorly-targeted, inadequate for localized control during outbreaks, and opposed due to environmental and toxicity concerns. in this study, we developed endectocide-treated feed as a systemic endectocide for birds to target blood feeding culex tarsalis, the primary west nile virus ( ...201930845250
chlamydiaceae in wild, feral and domestic pigeons in switzerland and insight into population dynamics by chlamydia psittaci multilocus sequence typing.feral pigeons, common wood pigeons and eurasian collared doves are the most common representatives of the columbidae family in switzerland and are mostly present in highly populated, urban areas. pigeons may carry various members of the obligate intracellular chlamydiaceae family, particularly chlamydia (c.) psittaci, a known zoonotic agent, and c. avium. the objective of the study was to identify the infection rates of common free-roaming pigeons for different chlamydia species with the overall ...201931887111
any despot at my table? competition among native and introduced bird species at garden birdfeeders in winter.garden bird feeding constitutes a massive provision of food that can support bird communities, but there is a growing concern it might favour the establishment of exotic species that could be detrimental to others. how bird species compete with novel species for this anthropogenic food resources needs to be assessed. here, we investigated competition in wintering bird communities at garden birdfeeders. we evaluated whether - and how much - bird access to resources is hampered by the presence of ...202032475721
a comprehensive cytogenetic analysis of several members of the family columbidae (aves, columbiformes).the columbidae species (aves, columbiformes) show considerable variation in their diploid numbers (2n = 68-86), but there is limited understanding of the events that shaped the extant karyotypes. hence, we performed whole chromosome painting (wcp) for paints gga1-10 and bacterial artificial chromosome (bac) probes for chromosomes gga11-28 for columbina passerina, columbina talpacoti, patagioenas cayennensis, geotrygon violacea and geotrygon montana. streptopelia decaocto was only investigated wi ...202032521831
emergence and molecular characterization of pigeon paramyxovirus-1 in non-native eurasian collared doves (streptopelia decaocto) in california, usa.eurasian collared doves (streptopelia decaocto) were introduced into florida in the 1980s and have since established populations throughout the continental united states. pigeon paramyxovirus-1 (ppmv-1), a species-adapted genotype vi avian orthoavulavirus 1, has caused periodic outbreaks among collared doves in the u.s. since 2001 with outbreaks occasionally involving native doves. in california, ppmv-1 mortality events were first documented in riverside county in 2014 with subsequent outbreaks ...202133727141
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