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  1. Article ; Online: Long term evaluation of factors influencing the association of ixodid ticks with birds in Central Europe, Hungary.

    Keve, Gergő / Csörgő, Tibor / Kováts, Dávid / Hornok, Sándor

    Scientific reports

    2024  Volume 14, Issue 1, Page(s) 4958

    Abstract: Birds play a crucial role in disseminating ticks that carry pathogens of high veterinary-medical importance. The aim of this study was to analyze data of a long-term tick collection from birds at a single stop-over site in Central Europe, Hungary. Over ... ...

    Abstract Birds play a crucial role in disseminating ticks that carry pathogens of high veterinary-medical importance. The aim of this study was to analyze data of a long-term tick collection from birds at a single stop-over site in Central Europe, Hungary. Over eight years (2015-2022) 5833 ticks (ten species) were collected from 2395 tick-infested birds. The most abundant species were Ixodes ricinus (n = 3971) and Haemaphysalis concinna (n = 1706). Ixodes ricinus nymphs and larvae were the most frequently occurring on resident and short-distance migratory birds with forest habitat but Ha. concinna was the most abundant species on reed-associated, long-distance migrants. Haemaphysalis concinna occurred mostly on birds feeding above the ground level, while I. ricinus predominated on ground feeding birds. Infestation with I. ricinus nymphs always peaked in the first half of the year, in contrast to larvae which were more abundant on avian hosts in the autumn. At the same time, Ha. concinna larvae and nymphs had their peak numbers in the summer. This is the first long-term study on the tick infestation of birds in Central Europe. The study shows that, migration distance, habitat type, and typical feeding level of birds, as well as characteristics of tick life cycle are all key factors in the role of birds as tick disseminators. It was revealed that Savi's Warbler (Locustella luscinioides) is the most frequent hosts of Ha. concinna in Central Hungary.
    MeSH term(s) Animals ; Hungary ; Ixodidae ; Ixodes ; Europe ; Passeriformes ; Nymph ; Larva
    Language English
    Publishing date 2024-02-29
    Publishing country England
    Document type Journal Article
    ZDB-ID 2615211-3
    ISSN 2045-2322 ; 2045-2322
    ISSN (online) 2045-2322
    ISSN 2045-2322
    DOI 10.1038/s41598-024-55021-9
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  2. Article ; Online: Correction: Kasza et al. New, Spherical Solutions of Non-Relativistic, Dissipative Hydrodynamics.

    Kasza, Gábor / Csernai, László P / Csörgő, Tamás

    Entropy (Basel, Switzerland)

    2022  Volume 24, Issue 6

    Abstract: In the original publication [ ... ]. ...

    Abstract In the original publication [...].
    Language English
    Publishing date 2022-06-13
    Publishing country Switzerland
    Document type Published Erratum
    ZDB-ID 2014734-X
    ISSN 1099-4300 ; 1099-4300
    ISSN (online) 1099-4300
    ISSN 1099-4300
    DOI 10.3390/e24060821
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  3. Article ; Online: New, Spherical Solutions of Non-Relativistic, Dissipative Hydrodynamics.

    Kasza, Gábor / Csernai, László P / Csörgő, Tamás

    Entropy (Basel, Switzerland)

    2022  Volume 24, Issue 4

    Abstract: We present a new family of exact solutions of dissipative fireball hydrodynamics for arbitrary bulk and shear viscosities. The main property of these solutions is a spherically symmetric, Hubble flow field. The motivation of this paper is mostly academic: ...

    Abstract We present a new family of exact solutions of dissipative fireball hydrodynamics for arbitrary bulk and shear viscosities. The main property of these solutions is a spherically symmetric, Hubble flow field. The motivation of this paper is mostly academic: we apply non-relativistic kinematics for simplicity and clarity. In this limiting case, the theory is particularly clear: the non-relativistic Navier-Stokes equations describe the dissipation in a well-understood manner. From the asymptotic analysis of our new exact solutions of dissipative fireball hydrodynamics, we can draw a surprising conclusion: this new class of exact solutions of non-relativistic dissipative hydrodynamics is asymptotically perfect.
    Language English
    Publishing date 2022-04-06
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2014734-X
    ISSN 1099-4300 ; 1099-4300
    ISSN (online) 1099-4300
    ISSN 1099-4300
    DOI 10.3390/e24040514
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  4. Article ; Online: Delay in arrival: lineage-specific influence of haemosporidians on autumn migration of European robins.

    Ágh, Nóra / Csörgő, Tibor / Szöllősi, Eszter

    Parasitology research

    2022  Volume 121, Issue 10, Page(s) 2831–2840

    Abstract: Haemosporidian blood parasites are widely used in evolutionary ecological research when exploring the effects of parasites on different life-history traits of their bird hosts. However, their roles in bird migration are less studied. If these parasites ... ...

    Abstract Haemosporidian blood parasites are widely used in evolutionary ecological research when exploring the effects of parasites on different life-history traits of their bird hosts. However, their roles in bird migration are less studied. If these parasites deteriorate the body condition of the birds strongly, they might negatively affect the whole migration phenology and the survival of the birds as well. In our study, we tested the relationships between infection for parasite genera (Haemoproteus or Plasmodium), the three most frequent parasite lineages and body condition (body mass, fat deposit), and the timing of autumn migration in the European Robin (Erithacus rubecula). We found that mean body mass and fat scores did not differ between parasitized and non-parasitized individuals, but infected juveniles arrived later than their non-infected counterparts. The difference in the arrival time of parasitized and non-parasitized birds was greater in the case of Haemoproteus infections. However, when we analysed the effects of the distinct parasite lineages separately, we found that prevalence of parasite lineages correlated with the body mass, fat storage, and timing of autumn migration of the birds in a different direction. Our results therefore emphasize the importance of testing the impacts of the different parasites individually, because possible lineage-specific effects on bird condition during migration might exist.
    MeSH term(s) Animals ; Bird Diseases/epidemiology ; Bird Diseases/parasitology ; Haemosporida/genetics ; Humans ; Parasites ; Phylogeny ; Plasmodium ; Prevalence ; Protozoan Infections, Animal/parasitology ; Songbirds
    Language English
    Publishing date 2022-08-24
    Publishing country Germany
    Document type Journal Article
    ZDB-ID 284966-5
    ISSN 1432-1955 ; 0932-0113 ; 0044-3255
    ISSN (online) 1432-1955
    ISSN 0932-0113 ; 0044-3255
    DOI 10.1007/s00436-022-07621-5
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    In stock of ZB MED Cologne/Königswinter

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  5. Article: Odderon and proton substructure from a model-independent Lévy imaging of elastic

    Csörgő, T / Pasechnik, R / Ster, A

    The European physical journal. C, Particles and fields

    2019  Volume 79, Issue 1, Page(s) 62

    Abstract: We describe a new and model-independent Lévy imaging method of quality fits to the published datasets and reconstruct the amplitude of high- ... ...

    Abstract We describe a new and model-independent Lévy imaging method of quality fits to the published datasets and reconstruct the amplitude of high-energy
    Language English
    Publishing date 2019-01-28
    Publishing country France
    Document type Journal Article
    ZDB-ID 1459069-4
    ISSN 1434-6052 ; 1434-6044
    ISSN (online) 1434-6052
    ISSN 1434-6044
    DOI 10.1140/epjc/s10052-019-6588-8
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  6. Article ; Online: Evolution of relative brain size in dogs-no effects of selection for breed function, litter size, or longevity.

    Garamszegi, László Zsolt / Kubinyi, Enikő / Czeibert, Kálmán / Nagy, Gergely / Csörgő, Tibor / Kolm, Niclas

    Evolution; international journal of organic evolution

    2023  Volume 77, Issue 7, Page(s) 1591–1606

    Abstract: Domestication is a well-known example of the relaxation of environmentally based cognitive selection that leads to reductions in brain size. However, little is known about how brain size evolves after domestication and whether subsequent directional/ ... ...

    Abstract Domestication is a well-known example of the relaxation of environmentally based cognitive selection that leads to reductions in brain size. However, little is known about how brain size evolves after domestication and whether subsequent directional/artificial selection can compensate for domestication effects. The first animal to be domesticated was the dog, and recent directional breeding generated the extensive phenotypic variation among breeds we observe today. Here we use a novel endocranial dataset based on high-resolution CT scans to estimate brain size in 159 dog breeds and analyze how relative brain size varies across breeds in relation to functional selection, longevity, and litter size. In our analyses, we controlled for potential confounding factors such as common descent, gene flow, body size, and skull shape. We found that dogs have consistently smaller relative brain size than wolves supporting the domestication effect, but breeds that are more distantly related to wolves have relatively larger brains than breeds that are more closely related to wolves. Neither functional category, skull shape, longevity, nor litter size was associated with relative brain size, which implies that selection for performing specific tasks, morphology, and life history does not necessarily influence brain size evolution in domesticated species.
    MeSH term(s) Pregnancy ; Female ; Dogs ; Animals ; Wolves/genetics ; Litter Size ; Longevity ; Organ Size ; Domestication
    Language English
    Publishing date 2023-06-30
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2036375-8
    ISSN 1558-5646 ; 0014-3820
    ISSN (online) 1558-5646
    ISSN 0014-3820
    DOI 10.1093/evolut/qpad063
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  7. Book ; Online: Correlation Probes of a QCD Critical Point

    Csorgo, T.

    2009  

    Abstract: Critical opalescence is a characteristic experimental signature of a second order phase transition in solid state physics. A new, experimentally accessible measure of opacity and of attenuation length in heavy ion reactions is suggested, as a combination ...

    Abstract Critical opalescence is a characteristic experimental signature of a second order phase transition in solid state physics. A new, experimentally accessible measure of opacity and of attenuation length in heavy ion reactions is suggested, as a combination of HBT radii and nuclear modification factors. This opacity is maximal when $\sqrt{s_{NN}}$, the system size and centrality correspond to the critical point of QCD. To characterize the phase transition at this critical point, the critical exponent of the correlation function can be determined by measuring the L\'evy index of stability of the Bose-Einstein or HBT correlations. The exponent of the correlation length can be determined from fits to the multiplicity distribution in various pseudorapidity intervals, also as a function of colliding energy, system size, centrality and (chemical) freeze-out temperature. These two critical exponents determine the remaining four critical exponents and the universality class of this second order phase transition. As a control experiment, the determination of the critical exponent of the specific heat capacity is proposed, from event-by-event fluctuation measurements. To measure opacity precisely, well calibrated high transverse momentum probes are needed, such as given by the excitation function of $\gamma$ + jet correlation functions.

    Comment: Typos fixed, including an important misprint in the definition of the order parameter after eq. (3.1). This is the final version. 19 pages, 4 figures, 1 table, to appear in the proceedings of "High pt physics at LHC", March 16-19, 2008, Tokaj, Hungary, based partly on an earlier talk at NN2006, August 28 - September 1, 2006, Rio de Janeiro, Brazil
    Keywords Nuclear Theory ; Condensed Matter - Statistical Mechanics ; High Energy Physics - Phenomenology ; Nuclear Experiment
    Subject code 612
    Publishing date 2009-03-03
    Publishing country us
    Document type Book ; Online
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  8. Article: Melanin-based ornament darkness positively correlates with across-season nutritional condition.

    Hegyi, Gergely / Laczi, Miklós / Kötél, Dóra / Csörgő, Tibor

    Ecology and evolution

    2020  Volume 10, Issue 23, Page(s) 13087–13094

    Abstract: Sexually dimorphic ornamental traits are widely regarded as indicators of nutritional condition. However, variation of nutritional condition outside the reproductive and the ornament production seasons has rarely been considered, although it affects the ... ...

    Abstract Sexually dimorphic ornamental traits are widely regarded as indicators of nutritional condition. However, variation of nutritional condition outside the reproductive and the ornament production seasons has rarely been considered, although it affects the generality of information content, especially for ornaments that may be used across the year. We measured several indicators of migratory and molt condition in male and female blackcaps (
    Language English
    Publishing date 2020-10-12
    Publishing country England
    Document type Journal Article
    ZDB-ID 2635675-2
    ISSN 2045-7758
    ISSN 2045-7758
    DOI 10.1002/ece3.6898
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  9. Article: Digital Endocasting in Comparative Canine Brain Morphology.

    Czeibert, Kálmán / Sommese, Andrea / Petneházy, Örs / Csörgő, Tibor / Kubinyi, Enikő

    Frontiers in veterinary science

    2020  Volume 7, Page(s) 565315

    Abstract: Computed tomography (CT) is one of the most useful techniques for digitizing bone structures and making endocranial models from the neurocranium. The resulting digital endocasts reflect the morphology of the brain and the associated structures. Our first ...

    Abstract Computed tomography (CT) is one of the most useful techniques for digitizing bone structures and making endocranial models from the neurocranium. The resulting digital endocasts reflect the morphology of the brain and the associated structures. Our first aim was to document the methodology behind creating detailed digital endocasts of canine skulls. We created digital endocasts of the skulls of 24 different dog breeds and 4 wild canids for visualization and teaching purposes. We used CT scanning with 0.323 mm × 0.322 mm × 0.6 mm resolution. The imaging data were segmented with 3D Slicer software and refined with Autodesk Meshmixer. Images were visualized in 3D Slicer and surface models were converted to 3D PDFs to provide easier interactive access, and 3D prints were also generated for visualization purposes. Our second aim was to analyze how skull length and width relate to the surface areas of the prepiriform rhinencephalic, prefrontal, and non-prefrontal cerebral convexity areas of the endocasts. The rhinencephalic area ratio decreased with a larger skull index. Our results open the possibility to analyze the relationship between the skull and brain morphology, and to link certain features to behavior, and cognition in dogs.
    Language English
    Publishing date 2020-10-06
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2834243-4
    ISSN 2297-1769
    ISSN 2297-1769
    DOI 10.3389/fvets.2020.565315
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  10. Article ; Online: Ecdysteroids are present in the blood of wild passerine birds.

    Hornok, Sándor / Csorba, Attila / Kováts, Dávid / Csörgő, Tibor / Hunyadi, Attila

    Scientific reports

    2019  Volume 9, Issue 1, Page(s) 17002

    Abstract: Ecdysteroids (arthropod molting hormones) play an important role in the development and sexual maturation of arthropods, and they have been shown to have anabolic and "energizing" effect in higher vertebrates. The aim of this study was to assess ... ...

    Abstract Ecdysteroids (arthropod molting hormones) play an important role in the development and sexual maturation of arthropods, and they have been shown to have anabolic and "energizing" effect in higher vertebrates. The aim of this study was to assess ecdysteroid diversity, levels according to bird species and months, as well as to observe the molting status of hard ticks (Acari: Ixodidae) infesting the birds. Therefore, blood samples and ticks were collected from 245 birds (244 songbirds and a quail). Mass spectrometric analyses showed that 15 ecdysteroids were regularly present in the blood samples. Molting hormones biologically most active in insects (including 20-hydroxyecdysone [20E], 2deoxy-20E, ajugasterone C and dacryhainansterone) reached different levels of concentration according to bird species and season. Similarly to ecdysteroids, the seasonal presence of affected, apolytic ticks peaked in July and August. In conclusion, this study demonstrates the presence of a broad range and high concentrations of ecdysteroids in the blood stream of wild-living passerine birds. These biologically active, anabolic compounds might possibly contribute to the known high metabolic rate of songbirds.
    MeSH term(s) Animals ; Animals, Wild/blood ; Animals, Wild/parasitology ; Arthropods/growth & development ; Arthropods/metabolism ; Ecdysone/blood ; Ecdysone/chemistry ; Ecdysteroids/blood ; Ecdysteroids/chemistry ; Ecdysterone/analogs & derivatives ; Ecdysterone/blood ; Ecdysterone/chemistry ; Ecdysterone/metabolism ; Host-Parasite Interactions ; Ixodidae/growth & development ; Ixodidae/physiology ; Molecular Structure ; Molting ; Seasons ; Songbirds/blood ; Songbirds/classification ; Songbirds/parasitology ; Species Specificity
    Chemical Substances Ecdysteroids ; ajugasterone C ; Ecdysone (3604-87-3) ; Ecdysterone (5289-74-7)
    Language English
    Publishing date 2019-11-18
    Publishing country England
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 2615211-3
    ISSN 2045-2322 ; 2045-2322
    ISSN (online) 2045-2322
    ISSN 2045-2322
    DOI 10.1038/s41598-019-53090-9
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