Document Detail


Prevalence of large endoparasites at necropsy in horses infected with Population B small strongyles in a herd established in Kentucky in 1966.
MedLine Citation:
PMID:  16508764     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Two closed horse herds (Old Lot 4 and Field 24), infected since 1966 with Population B small strongyles resistant to thiabendazole (TBZ) and phenothiazine (PTZ), were terminated in February, March, and May, 2005. At necropsy, only the large endoparasites were identified and counted. The number of horses on pasture was 14 (239 days of age to 23 years old) for Old Lot 4 and two (3 to 20 years old) for Field 24. The time of the last antiparasitic treatment, relative to the year (2005) of necropsy, was 26 years for Old Lot 4 and 9 years for Field 24 horses. Gasterophilus intestinalis third instars (three to 113 specimens/horse) were found in all 16 horses and second instars (one to two) in two horses. Gasterophilus nasalis third instars (one to three) were recovered from five horses. Parascaris equorum infections (23 to 144) were in four horses (239 days to 4 years old). Strongylus vulgaris were present in the large intestine (one to 155) of 13 horses from 239 days to 23 years old and in the cranial mesenteric artery (two to 79) in 10 horses from 239 days to 23 years old. Strongylus edentatus were in the large intestine (two to 101) of 12 horses, ranging in age from 2.5 to 23 years old and in the ventral abdominal wall (one to 53) of six horses from 239 days to 21 years old. Specimens (seven to 872) of Anoplocephala perfoliata were in all horses. Oxyuris equi (one to 129) were recovered from seven horses (330 days to 23 years old). Thelazia lacrymalis (one to 85) infected the eyes of five horses (317 days to 11 years old).
Authors:
E T Lyons; S C Tolliver; S S Collins
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Publication Detail:
Type:  Journal Article     Date:  2006-03-01
Journal Detail:
Title:  Parasitology research     Volume:  99     ISSN:  0932-0113     ISO Abbreviation:  Parasitol. Res.     Publication Date:  2006 Jul 
Date Detail:
Created Date:  2006-06-05     Completed Date:  2006-12-21     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8703571     Medline TA:  Parasitol Res     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  114-8     Citation Subset:  IM    
Affiliation:
Department of Veterinary Science, Gluck Equine Research Center, University of Kentucky, Lexington, KY 40546-0099, USA. elyons1@uky.edu
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MeSH Terms
Descriptor/Qualifier:
Animals
Ascaridoidea / classification,  isolation & purification
Cestoda / classification,  isolation & purification
Diptera / growth & development
Female
Helminthiasis, Animal / complications,  epidemiology*,  parasitology
Horse Diseases / epidemiology*,  parasitology
Horses
Kentucky
Male
Myiasis / epidemiology*,  parasitology
Prevalence
Strongyle Infections, Equine / complications,  epidemiology*,  parasitology
Strongylus / classification,  isolation & purification
Thelazioidea / classification,  isolation & purification

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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