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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
immunology and microbiology
Occurrence of Pasteurella multocida and related species in village free ranging chickens and their animal contacts in Tanzania
Veterinary Microbiology, Volume 78, No. 2, Year 2001
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Description
Investigation was done to determine the presence of Pasteurella multocida and related species in free ranging chickens and ducks, dogs, cats and pigs in three climatic zones (cool, warm and hot) of rural Morogoro, Tanzania. A total of 153 isolates of P. multocida ssp. multocida and related species were obtained by direct culture on blood agar, selective medium and mouse inoculation. P. multocida ssp. multocida was isolated from 0.7% of chickens and 7% of ducks. In dogs and cats, P. multocida ssp. multocida was isolated from 1 and 68%, respectively. One isolate of Pasteurella gallinarum was isolated from a duck. Other species obtained were; P. multocida ssp. septica, Pasteurella stomatis and taxon 16 from dogs and cats, while Pasteurella dagmatis and Pasteurella canis were found in dogs only. Prevalence of P. multocida ssp. multocida was significantly higher (P < 0.01) in ducks of the warm zone (22%) than in ducks of other zones (0%). No significant difference was observed between the prevalence of P. multocida ssp. multocida in chickens of the warm zone (2%) and chickens of the cool and hot zones (0%). Extended phenotypic characterization revealed phenotypic similarities between two isolates from chickens and the duck strains. Mouse inoculation appeared to be more sensitive in detecting P. multocida ssp. multocida than blood agar and selective medium. Direct culture on blood agar recovered most of the isolates from dogs. This study has demonstrated for the first time the presence of P. multocida and related species in the village free ranging chickens, ducks, dogs and cats in Tanzania. Other non-classified Pasteurella spp. were also observed in the study, but further characterization is required before the final classification can be made. This paper reports for the first time the isolation of unclassified Pasteurella from dogs and cats in Africa. The results implies that fowl cholera might be occurring in free ranging poultry, and dogs and cats kept in contact might serve as sources of P. multocida to chickens and ducks. Subsequent applications of molecular techniques to analyse the epidemiological relatedness of clones isolated from different host species is indicated. © 2001 Elsevier Science B.V.
Authors & Co-Authors
Muhairwa, Amandus Pachificus
Tanzania, Morogoro
Sokoine University of Agriculture
Denmark, Frederiksberg
Det Natur- og Biovidenskabelige Fakultet
Mtambo, Mkumbukwa Madundo Angelo
Tanzania, Morogoro
Sokoine University of Agriculture
Christensen, Jens Peter
Denmark, Frederiksberg
Det Natur- og Biovidenskabelige Fakultet
Bisgaard, Magne
Denmark, Frederiksberg
Det Natur- og Biovidenskabelige Fakultet
Statistics
Citations: 40
Authors: 4
Affiliations: 2
Identifiers
Doi:
10.1016/S0378-1135(00)00296-0
ISSN:
03781135
Research Areas
Environmental
Infectious Diseases
Study Design
Cross Sectional Study
Study Locations
Tanzania