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Short report: Inadequacy of yaks as hosts for the sheep dog strain of Echinococcus granulosus or for E. Multilocularis.
Am J Trop Med Hyg. 2005 Mar; 72(3):289-90.AJ

Abstract

Hydatid disease (echinococcosis) has a two-host cycle involving the domestic dog and grazing animals. Humans are also infected by the dog. Both unilocular (Echinococcus granulosus in yaks, sheep, and goats) and multilocular (alveolar) (E. multilocularis in hares and rodents) hydatids are common in western Sichuan in the People's Republic of China. Humans and dogs are equally infected with both species. Many yaks (Bos grunniens) were found with multilocular cysts that visually were deemed to be E. multilocularis. However, a histologic and molecular study showed that they were actually E. granulosus. No infective cysts were found in 125 necropsied yaks. We conclude that the yak is an inadequate and dead-end host for the sheep dog (G1) strain of Echinococcus granulosus and also for E. multilocularis.

Authors+Show Affiliations

Wallaceville Animal Research Centre, AgResearch Limited, Upper Hutt, New Zealand.No affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

15772323

Citation

Heath, David D., et al. "Short Report: Inadequacy of Yaks as Hosts for the Sheep Dog Strain of Echinococcus Granulosus or for E. Multilocularis." The American Journal of Tropical Medicine and Hygiene, vol. 72, no. 3, 2005, pp. 289-90.
Heath DD, Zhang LH, McManus DP. Short report: Inadequacy of yaks as hosts for the sheep dog strain of Echinococcus granulosus or for E. Multilocularis. Am J Trop Med Hyg. 2005;72(3):289-90.
Heath, D. D., Zhang, L. H., & McManus, D. P. (2005). Short report: Inadequacy of yaks as hosts for the sheep dog strain of Echinococcus granulosus or for E. Multilocularis. The American Journal of Tropical Medicine and Hygiene, 72(3), 289-90.
Heath DD, Zhang LH, McManus DP. Short Report: Inadequacy of Yaks as Hosts for the Sheep Dog Strain of Echinococcus Granulosus or for E. Multilocularis. Am J Trop Med Hyg. 2005;72(3):289-90. PubMed PMID: 15772323.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Short report: Inadequacy of yaks as hosts for the sheep dog strain of Echinococcus granulosus or for E. Multilocularis. AU - Heath,David D, AU - Zhang,Li Hua, AU - McManus,Donald P, PY - 2005/3/18/pubmed PY - 2005/5/13/medline PY - 2005/3/18/entrez SP - 289 EP - 90 JF - The American journal of tropical medicine and hygiene JO - Am. J. Trop. Med. Hyg. VL - 72 IS - 3 N2 - Hydatid disease (echinococcosis) has a two-host cycle involving the domestic dog and grazing animals. Humans are also infected by the dog. Both unilocular (Echinococcus granulosus in yaks, sheep, and goats) and multilocular (alveolar) (E. multilocularis in hares and rodents) hydatids are common in western Sichuan in the People's Republic of China. Humans and dogs are equally infected with both species. Many yaks (Bos grunniens) were found with multilocular cysts that visually were deemed to be E. multilocularis. However, a histologic and molecular study showed that they were actually E. granulosus. No infective cysts were found in 125 necropsied yaks. We conclude that the yak is an inadequate and dead-end host for the sheep dog (G1) strain of Echinococcus granulosus and also for E. multilocularis. SN - 0002-9637 UR - https://www.unboundmedicine.com/medline/citation/15772323/Short_report:_Inadequacy_of_yaks_as_hosts_for_the_sheep_dog_strain_of_Echinococcus_granulosus_or_for_E__Multilocularis_ L2 - http://www.ajtmh.org/cgi/pmidlookup?view=long&pmid=15772323 DB - PRIME DP - Unbound Medicine ER -