Document Detail

Bacteria in heart and lungs of young chicks.
MedLine Citation:
PMID:  11872119     Owner:  NLM     Status:  MEDLINE    
AIMS: The purpose of these experiments was to determine whether the heart and lungs of young chicks harboured bacteria. METHODS AND RESULTS: Samples of the heart and lungs were aseptically removed from chicks on scheduled sampling days. Experiment 1 showed that of the 360 birds evaluated during the late embryonic and early post-hatching periods, only 10.8% harboured bacteria in the heart, lungs, and heart and lungs simultaneously. Experiment 2 suggested that bacteria in these organs were transient. Twenty-three bacterial species were found in the hearts whereas 30 were found in the lungs. Experiment 3 showed that only 1.4% of embryos harboured bacteria in the yolk, albumen, heart and lungs whereas 12.9% of the embryos had bacteria in the air cell. CONCLUSIONS: During the post-hatching period, there was a higher incidence of bacterial isolation in the heart and lungs, whilst during the embryonic development period, there was a lower incidence of bacterial isolation from these two organs. Results suggested that the heart and lungs do not have a residual bacterial flora; rather, opportunistic bacteria occasionally pass through these tissues. SIGNIFICANCE AND IMPACT OF THE STUDY: These experiments proved that bacteria could be isolated in the heart and lungs of healthy chicks reared from E17 to 3 weeks of age.
J D Tankson; J P Thaxton; Y Vizzier-Thaxton
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of applied microbiology     Volume:  92     ISSN:  1364-5072     ISO Abbreviation:  J. Appl. Microbiol.     Publication Date:  2002  
Date Detail:
Created Date:  2002-03-01     Completed Date:  2002-06-14     Revised Date:  2003-11-14    
Medline Journal Info:
Nlm Unique ID:  9706280     Medline TA:  J Appl Microbiol     Country:  England    
Other Details:
Languages:  eng     Pagination:  443-50     Citation Subset:  IM    
Department of Poultry Science, Box 9665, Mississippi State University, Mississippi State, MS 39762, USA.
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MeSH Terms
Bacteria / classification,  isolation & purification*
Chick Embryo / microbiology
Chickens / microbiology*
Heart / embryology,  microbiology*
Lung / embryology,  microbiology*

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