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Trichomonad Disease in Wild Turkeys (Meleagris gallopavo): Pathology and Molecular Characterization of Histomonas, Tetratrichomonas, Tritrichomonas, and Simplicimonas spp.
J Wildl Dis
October 2024
Southeastern Cooperative Wildlife Disease Study, Department of Population Health, College of Veterinary Medicine, University of Georgia, 589 D. W. Brooks Drive, Athens, Georgia 30602, USA.
Article Synopsis
- The Wild Turkey, a significant game bird in North America, has faced health risks due to population declines and diseases like histomonosis caused by the parasite Histomonas meleagridis.
- A study from 2002 to 2023 found that out of 857 turkeys examined, 4% had trichomonad disease, with a variety of trichomonads found, indicating a more complex disease landscape than previously understood.
- Coinfections with other diseases and pathogens were common among affected turkeys, underscoring the necessity for advanced molecular diagnostics to accurately identify the causes of illness.
Endocytosis in anaerobic parasitic protists.
Mem Inst Oswaldo Cruz
July 2024
Universidade Federal do Rio de Janeiro, Centro Nacional de Biologia Estrutural e Bioimagens, Rio de Janeiro, RJ, Brasil.
The incorporation of different molecules by eukaryotic cells occurs through endocytosis, which is critical to the cell's survival and ability to reproduce. Although this process has been studied in greater detail in mammalian and yeast cells, several groups working with pathogenic protists have made relevant contributions. This review analysed the most relevant data on the endocytic process in anaerobic protists (Entamoeba histolytica, Giardia intestinalis, Trichomonas vaginalis, and Tritrichomonas foetus).
View Article and Find Full Text PDFIn vitro efficacy testing of ivermectin against Tritrichomonas foetus trophozoites.
Acta Vet Hung
April 2024
1Instituto de Ciencias de la Tierra y Ambientales de La Pampa (Consejo Nacional de Investigaciones Científicas y Técnicas - Facultad de Ciencias Naturales Universidad Nacional de La Pampa), Santa Rosa, La Pampa, Argentina.
There are no recommended drugs to treat cattle infected with the protozoan Tritrichomonas foetus (TF). Ivermectin, widely used in the treatment of intestinal parasites, was found effective against some protozoa growing in vitro. Here, its effectiveness against a TF line was investigated.
View Article and Find Full Text PDFProlonged survival of venereal parasite in the gastrointestinal tract, bovine fecal extract, and water.
Microbiol Spectr
December 2023
Laboratorio de Parásitos Anaerobios, Instituto Tecnológico Chascomús (INTECH), CONICET-UNSAM , Chascomús, Argentina.
Nowadays, the routine herd diagnosis is usually performed exclusively on bulls, as they remain permanently infected, and prevention and control of transmission are based on identifying infected animals and culling practices. The existence of other forms of transmission and the possible role of pseudocysts or cyst-like structures as resistant forms requires rethinking the current management and control of this parasitic disease in the future in some livestock regions of the world.
View Article and Find Full Text PDFIdentification and Characterization of α-Actinin 1 of and Its Potential Vaccine Candidates against Histomonosis.
Animals (Basel)
July 2023
College of Veterinary Medicine, Yangzhou University, Yangzhou 225009, China.
is a protozoan parasite that causes histomonosis in gallinaceous birds such as turkeys and chickens. Since the banning and restricted usage of effective drugs such as nitarsone, 80-100% morbidity and mortality occur in turkeys and 20-30% mortality in chickens. New ideas are needed to resolve the re-emergence of histomonosis in poultry.
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