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The role of management systems in the epidemiology of thermophilic campylobacters among poultry in Eastern zone of Tanzania

Published online by Cambridge University Press:  19 October 2009

R. R. Kazwala ,
S. F. H. Jiwa  and
A. E. Nkya
R. R. Kazwala
Affiliation:
Department of Veterinary Medicine and Public Health, Sokoine University of Agriculture, P.O. Box 3021, Morogoro, Tanzania
S. F. H. Jiwa
Affiliation:
Department of Veterinary Microbiology and Parasitology, Sokoine University of Agriculture, P.O. Box 3021, Morogoro, Tanzania
A. E. Nkya
Affiliation:
Department of Veterinary Medicine and Public Health, Sokoine University of Agriculture, P.O. Box 3021, Morogoro, Tanzania
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A total of 255 samples of droppings collected from a total of 22 different poultry units were examined for the presence of thermophilic campylobaeters and the isolates biotyped using Skirrow's protocol. The organisms were isolated from 90 (35·3%) of all samples. Among the 22 units investigated. 13 (59%) were found to have unsatisfactory management systems, while 7 (32%) and 2 (9%) were found to have unsatisfactory and good systems respectively. Significantly large numbers of isolations, 68 of 147 (46·2%), were made from samples collected from poultry units with poor management (P < 0·005). compared with 19 out of 84 (22·6%) samples which were collected from satisfactory units and 3 out of 24 (12·5%) samples collected from units exercising particularly good management. Nineteen of 72 (26·4%) samples collected from broilers, 32 out of 132 (24·2%) samples collected from layers and 39 out of 51 (70·49%) samples collected from indigenous free range poultry were positive for campylobacters. Among the 90 strains isolated from various units, 64 (70·1%) were Campylobacter jejuni. 25 (27·7%) were C. coli. and only 1 (2·2%) was C. laridis.

Type
Research Article
Information
Epidemiology & Infection , Volume 110 , Issue 2 , April 1993 , pp. 273 - 278
Copyright
Copyright © Cambridge University Press 1993

References

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