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Environ Toxicol Chem
August 2024
Dixon Field Station, Western Ecological Research Center, US Geological Survey, Dixon, California.
In birds, mercury embryotoxicity can occur through the transfer of mercury from the female to her eggs. Maternal transfer of mercury can vary by egg position in the laying sequence, with first-laid eggs often exhibiting greater mercury concentrations than subsequently laid eggs. We studied egg mercury concentration, mercury burden (total amount of mercury in the egg), and egg morphometrics by egg position in the laying sequence for two songbirds: tree swallows (Tachycineta bicolor) and house wrens (Troglodytes aedon).
View Article and Find Full Text PDFSci Rep
May 2024
Department of Pathobiological Sciences, University of Wisconsin School of Veterinary Medicine, Madison, WI, USA.
Reverse zoonotic respiratory diseases threaten great apes across Sub-Saharan Africa. Studies of wild chimpanzees have identified the causative agents of most respiratory disease outbreaks as "common cold" paediatric human pathogens, but reverse zoonotic transmission pathways have remained unclear. Between May 2019 and August 2021, we conducted a prospective cohort study of 234 children aged 3-11 years in communities bordering Kibale National Park, Uganda, and 30 adults who were forest workers and regularly entered the park.
View Article and Find Full Text PDFJ Med Primatol
August 2023
Lion Country Safari, Loxahatchee, Florida, USA.
A 41-year-old male vasectomized, zoo-housed chimpanzee (Pan troglodytes) presented with progressive visual deficits due to bilateral cataract formation. Phacoemulsification and lenticular implant were performed by a veterinary and human board-certified ophthalmologist team in a field setting. Post-operative healing occurred without complication, and the patient returned to the troop with improved vision.
View Article and Find Full Text PDFAm J Biol Anthropol
March 2024
Department of Archaeology, University of Cambridge, Cambridge, UK.
Objectives: Current evidence suggests that flaked stone tool technologies did not emerge until ~3.3-2.6 million-years-ago (Ma).
View Article and Find Full Text PDFVet Surg
October 2022
Department of Clinical Sciences, Kansas State University College of Veterinary Medicine, Manhattan, Kansas, USA.
Objective: To report the treatment and outcome of a a captive chimpanzee (Pan troglodytes) undergoing 3-portal laparoscopic hysterectomy. Additionally, the technique used for successful urinary catheterization is described.
Animals: A 29-year-old female intact chimpanzee with uterine bleeding.
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