Document Detail


Effect of different East Coast fever control strategies on disease incidence in traditionally managed Sanga cattle in Central Province of Zambia.
MedLine Citation:
PMID:  9646334     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
A clinical trial, including five East Coast fever (ECF) control strategies (involving tick control and/or immunisation by infection-and-treatment) in five different groups of traditionally managed Sanga cattle, was conducted in Central Province of Zambia over 2.5 years between 1992 and 1995. Two groups were kept under intensive tick control by weekly acaricide treatment by hand spray; (one immunised and one non-immunised), two groups were under no tick control (one immunised and one non-immunised), and a fifth, immunised group was maintained under strategic tick control (18 sprays yr-1). ECF-specific mortality was highest in the non-immunised and non-treated group, while no difference in ECF-specific mortality could be observed between animals treated for ECF by immunisation or by tick control. Acaricide treatment and/or immunisation reduced the risk of clinical ECF by 92%. The results of an artificial challenge experiment at the end of the field trial indicated that about 60% of the animals in the control group had become infected with Theileria parva without showing clinical signs. ECF incidence in non-vaccinated cattle markedly declined six months after immunisation--suggesting that the carrier state induced by immunisation did not lead to a persistent high incidence, and might accelerate the progress to endemicity.
Authors:
B Minjauw; M J Otte; A D James; J J de Castro; P Sinyangwe
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Publication Detail:
Type:  Clinical Trial; Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Preventive veterinary medicine     Volume:  35     ISSN:  0167-5877     ISO Abbreviation:  Prev. Vet. Med.     Publication Date:  1998 May 
Date Detail:
Created Date:  1998-09-10     Completed Date:  1998-09-10     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  8217463     Medline TA:  Prev Vet Med     Country:  NETHERLANDS    
Other Details:
Languages:  eng     Pagination:  101-13     Citation Subset:  IM    
Affiliation:
University of Reading, Department of Agriculture, UK. julio.decastro@fao.org
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MeSH Terms
Descriptor/Qualifier:
Animals
Anti-Bacterial Agents
Antibodies, Protozoan / blood
Cattle
Immunization
Oxytetracycline / administration & dosage,  therapeutic use
Protozoan Vaccines
Pyrethrins / administration & dosage,  therapeutic use
Seasons
Theileria / immunology
Theileriasis / epidemiology*,  mortality,  prevention & control*
Tick Control
Zambia
Chemical
Reg. No./Substance:
0/Anti-Bacterial Agents; 0/Antibodies, Protozoan; 0/Protozoan Vaccines; 0/Pyrethrins; 52315-07-8/cypermethrin; 79-57-2/Oxytetracycline

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


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