Document Detail


Coenurus cerebralis infection in Ethiopian highland sheep: incidence and observations on pathogenesis and clinical signs.
MedLine Citation:
PMID:  10399813     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
An investigation was carried out at Debre Berhan, Ethiopia, between 1996 and 1997, into the epidemiology of coenurosis in Menz and Horro breeds of sheep. A total of 37 heads from clinically sick and 183 heads from apparently healthy sheep were examined post mortem for the presence of the cystic larvae of Taenia multiceps, of which 37 and 5 heads, respectively, contained 1 to 8 coenurus cysts (diameter 0.8 to 6.5 cm). The bladder worms were located in the cerebral hemisphere in 96% of the cases (43% and 57% for left and right, respectively), 4% being in the cerebellum. Prediction of cyst locations based on the direction of circling and head deviation had a 62% success rate. A retrospective study generated from the health record book at the ILRI Debre Berhan Station in 1992-1996 (199 Horro and 174 Menz) revealed that the incidence of coenurosis ranged from 2.3% to 4.5%. There was no significant breed difference in the incidence. The age of the affected sheep ranged from 4 to 96 months, with a mean of 19.3 months, and 72% of the cases were within the range of 6 to 24 months. In a complementary survey on necropsied stray dogs, 8 out of 17 were positive for Taenia spp. Both studies confirm the endemicity of coenurosis at the ILRI Debre Berhan Research Station. Appropriate strategies for the control of coenurosis are suggested.
Authors:
M Achenef; T Markos; G Feseha; A Hibret; S Tembely
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Tropical animal health and production     Volume:  31     ISSN:  0049-4747     ISO Abbreviation:  Trop Anim Health Prod     Publication Date:  1999 Feb 
Date Detail:
Created Date:  1999-09-02     Completed Date:  1999-09-02     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  1277355     Medline TA:  Trop Anim Health Prod     Country:  SCOTLAND    
Other Details:
Languages:  eng     Pagination:  15-24     Citation Subset:  IM    
Affiliation:
Faculty of Veterinary Medicine, Addis Ababa University, Debre Zeit, Ethiopia.
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MeSH Terms
Descriptor/Qualifier:
Animals
Brain / parasitology,  pathology
Brain Diseases / epidemiology,  parasitology,  veterinary*
Cestode Infections / epidemiology,  veterinary*
Dog Diseases / epidemiology,  parasitology
Dogs
Ethiopia / epidemiology
Female
Incidence
Larva / pathogenicity
Retrospective Studies
Sheep
Sheep Diseases / epidemiology*,  parasitology
Taenia / growth & development,  pathogenicity*

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


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