Captive-bred animals, widely used in reintroduction programmes, are often immunologically naïve and more susceptible to pathogens. We analysed infection of invasive blood-sucking nematode Ashworthius sidemi in captive-bred European bison (Bison bonasus) released to the wild in the Białowieża Forest (Poland). Mean A. sidemi infection intensity of released bison (29,137 nematodes) was over threefold higher than in wild bison (8756). It indicates a rapid acquisition and increase in the infection intensity in previously dewormed bison released from captivity. Thus, reintroduction programmes should consider the impact of pathogens and involve controlled exposure of captive animals to specific parasites prior to release.
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http://dx.doi.org/10.1007/s10393-018-1327-4 | DOI Listing |
Sci Rep
January 2025
Department of Morphological Sciences, Institute of Veterinary Medicine, Warsaw University of Life Sciences-SGGW, 02-776, Warsaw, Poland.
This study aimed to investigate the effects of environmental factors, sexual selection, and genetic variation on skull morphology by examining the skull structure of the European bison, a species at risk of extinction, and comparing it to other bovid species. The skull of the European bison was significantly bigger than that of other species of the tribe Bovini, and the results revealed considerable morphological differences in skull shape compared to other Bovini samples. The bison skull exhibited a broader shape in the frontal region and a more laterally oriented cornual process.
View Article and Find Full Text PDFPol J Vet Sci
September 2024
Department of Food Hygiene and Public Health Protection, Institute of Veterinary Medicine, Warsaw University of Life Sciences (SGGW), Nowoursynowska 159, 02-776 Warsaw, Poland.
The material for drug resistance testing was 28 strains of Mycobacterium caprae isolated from tissue collected post mortem from a free-living Bieszczady Mountain European bison (Bison bonasus caucasicus) herd. All drug susceptibility tests were carried out on an automated Bactec mycobacterial growth indicator tube (MGIT) 960 system, using Bactec MGIT 960 streptomycin, isoniazid, rifampin and ethambutol (S.I.
View Article and Find Full Text PDFJ Zoo Wildl Med
December 2024
Clinic for Ruminants, Vetsuisse Faculty, University of Bern, Bern 3012, Switzerland.
Bone lengths of paired digits of front and hind limbs from 12 captive European bison () of different ages (from nine to 175 months) and sexes were measured on digital radiographs in palmarodorsal (PaD) and dorsoplantar (DPl) projections of each limb. All bone lengths were measured, and lateral/medial ratios calculated. The bone measurements included length of the canon bone condyle (LCBC), length of the first, second, and third phalanges (LP1, LP2, LP3), and overall digit length (OL).
View Article and Find Full Text PDFJ Wildl Dis
December 2024
Department of Animal Pathology and Instituto Agroalimentario de Aragón-IA2 (Universidad de Zaragoza-CITA), Veterinary Faculty, University of Zaragoza, Zaragoza, 50013, Spain.
The European Bison (Bison bonasus) is the largest mammal in Europe and is classified as an endangered species. Leishmaniosis is a vector-borne disease caused by the protozoan Leishmania infantum. In general, this infection has been associated with dogs, cats, and humans.
View Article and Find Full Text PDFNeurooncol Adv
September 2024
Division of Pediatric Hematology and Oncology, University Medical Center Göttingen, Göttingen, Germany.
Background: Our aim is to investigate the association of treatment with survival in patients with diffuse intrinsic pontine glioma (DIPG) by examining 6 historical treatment paths.
Methods: We retrospectively analyzed data from 409 patients with radiologically centrally reviewed DIPG, sourced from the German Society of Pediatric Oncology and Hematology HIT-HGG trial database and the SIOPE-DIPG/DMG Registry. Survival outcomes were estimated using the Kaplan-Meier method, and univariable and multivariable Cox proportional hazard models were estimated to study treatment effects.
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