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Investigation of an Outbreak of Equine Herpesvirus-1 Myeloencephalopathy in a Population of Aged Working Equids.
Viruses
December 2024
Carson Valley Large Animal Clinic, Gardnerville, NV 89460, USA.
The objective of this study was to describe an outbreak of equine herpesvirus-1 myeloencephalopathy (EHM) in a population of aged equids. The outbreak was linked to the introduction of five healthy non-resident horses 15 days prior to the first case of acute recumbency. This fulminant EHM outbreak was predisposed by the grouping of the 33 unvaccinated animals in two large pens with shared water and feed troughs.
View Article and Find Full Text PDFTrypanosoma cruzi infection in American black bears (Ursus americanus): A case report in a cub from California and serologic survey for exposure in wild black bears from several states.
Vet Parasitol Reg Stud Reports
November 2024
Warnell School of Forestry and Natural Resources, 180 E Green Street, University of Georgia, Athens, GA 30602, USA; Southeastern Cooperative Wildlife Disease Study, 589 D.W. Brooks Drive, Wildlife Health Building, College of Veterinary Medicine, The University of Georgia, Athens, GA 30602, USA; Center for the Ecology of Infectious Diseases, University of Georgia, Athens, GA 30602, USA. Electronic address:
Trypanosoma cruzi is an important cause of disease and death in humans and dogs, and although wildlife infections are common, less is known about disease manifestations. A 12-week-old male American black bear (Ursus americanus) cub with mild lethargy and anorexia presented to a wildlife rehabilitation center in Lake Tahoe, California. The cub continued to become increasingly weak and showed decreasing interest in play and other activities.
View Article and Find Full Text PDFEffects of selective stimulation of apical electrodes on temporal pitch perception by cochlear implant recipients.
J Acoust Soc Am
September 2024
Aix Marseille Université, Centre National de la Recherche Scientifique, Centrale Méditerranée, Laboratoire de Mécanique et d'Acoustique, Centre National de la Recherche Scientifique, Aix Marseille Université, Marseille, 13453 Cedex 13, France.
Article Synopsis
- * Three different stimulation methods were tested: using a single electrode at the very end of the implant, a mid-array electrode, and activating multiple electrodes at the apical end.
- * Results showed that single-electrode stimulation did not enhance pitch perception compared to other methods, and there was no relationship between stimulation type and peripheral neural health.
Patterns of occurrence, phenology, and phylogeny of Phloeosinus punctatus LeConte (Coleoptera: Curculionidae, Scolytinae) in giant sequoia.
Environ Entomol
December 2024
Forest & Rangeland Stewardship, Warner College of Natural Resources, Colorado State University, Fort Collins, CO, USA.
Here, we describe patterns of reproduction and flight phenology of putative Phloeosinus punctatus in giant sequoia groves and compare morphology and genotypes of beetles from sympatric giant sequoia (Sequoiadendron giganteum) and California incense-cedar (Calocedrus decurrens). Surveys conducted in 2022 revealed that numerous branches fall from giant sequoia crowns (on average ~30 branches/tree), with 20%-50% of trees per site shedding branches, depositing breeding material for beetles on the forest floor that subsequently becomes colonized. When noninfested branches cut from mature giant sequoias were placed at the ground surface, they were colonized by P.
View Article and Find Full Text PDFNovel evidence that elk were historically native to the Sierra Nevada, and recent range expansions into the region.
PLoS One
September 2024
Elk and Moose Program, Game Division, Nevada Department of Wildlife, Reno, Nevada, United States of America.
Elk (Cervus canadensis) have been considered non-native to the Sierra Nevada mountain range of California and Nevada. However, elk have steadily increased their range southward from the Cascade Range into the northern Sierra Nevada over the last century. Recent reports also reveal Rocky Mountain elk moving northwards into the southern Sierra Nevada.
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