Unlabelled: Due to the difficulty in the access to free-ranging birds, data regarding infections in wild avian species is rare compared to captive wild and domestic birds.
Objective: report three cases of section causing fungal disease in free-ranging aquatic birds, with the identification of the causal agent to the species level.
Case Reports: The diagnosis of aspergillosis was performed by macroscopic lesions found during the necropsy and confirmed by culture. Molecular identification by partial sequencing of the and genes allowed to confirm as the etiological agent of aspergillosis in (White-chinned petrel) (n = 1), (Neotropical cormorant) (n = 1) and (Brown-hooded gull) (n = 1).
Conclusion: Larger studies regarding the importance of aspergillosis in free-ranging aquatic birds are necessary, as well as it potential role in the One Heath context.
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http://dx.doi.org/10.1016/j.mmcr.2020.04.005 | DOI Listing |
Ecol Lett
December 2024
Department of Biology, Center for Ecosystem Sentinels, University of Washington, Seattle, Washington, USA.
Behavioural plasticity is an important mechanism allowing animals to cope with changing environments. Theory has hypothesized the existence of 'plasticity syndromes'-positive correlations in plasticity across multiple behaviours within an individual-affording a generalized ability to respond to environmental change. However, the occurrence of correlated plasticities and their potential fitness consequences in natural populations remain untested.
View Article and Find Full Text PDFVet Pathol
December 2024
University of Florida, Gainesville, FL.
The American alligator () is a keystone species of the southeastern United States. In December of 2022, a free-ranging American alligator was found stuporous and tetraparetic. On postmortem evaluation, lesions were limited to the central nervous system, consisting of prominent perivascular cuffs of lymphocytes and histiocytes that extended into the surrounding neuroparenchyma along with gliosis.
View Article and Find Full Text PDFmSphere
December 2024
Department of Molecular Microbiology and Immunology, Johns Hopkins University Bloomberg School of Public Health, Baltimore, Maryland, USA.
Parasit Vectors
November 2024
Institute for Parasitology, Centre for Infection Medicine, University of Veterinary Medicine Hannover, Buenteweg 17, 30559, Hanover, Germany.
Background: For several decades, the European wildcat (Felis silvestris) has gradually been returning to the forests of Germany, mainly in the central and southwestern regions. To increase the knowledge about this threatened species, the endoparasite status of dead found specimens from Germany was surveyed.
Methods: A total of 118 wildcats were examined for endoparasites in peritoneal organs and skeletal muscles.
Environ Int
November 2024
Department of Physiological Sciences, University of Florida, Gainesville, FL 32611, USA. Electronic address:
Exposure to contaminants, such as the herbicide glyphosate, can suppress protective immune functions. Glyphosate is the herbicide most used worldwide and has been found in the plasma of more than 50 % of the Florida manatees (Trichechus manatus latirostris) and all-year-round in their aquatic environment. Our objectives were to analyze the consequences of glyphosate exposure on their immune responses via T-lymphocyte proliferation assays and transcriptomics.
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