Document Detail

The effects of stress, Escherichia coli, dietary ethylenediaminetetraacetic acid, and their interaction on tissue trace elements in chicks.
MedLine Citation:
PMID:  1784566     Owner:  NLM     Status:  MEDLINE    
The present study determined effects of Escherichia coli infection, crowding stress, and EDTA supplementation on Cu, Fe, and Zn levels in the serum, liver, bursa of Fabricius, and spleen of chickens. Organ weights as a percentage of BW were affected by treatments prior to and after infection. Liver and spleen weights as a percentage of BW increased with infection but bursa weight decreased. One week of stress increased hepatic Cu, but 3 wk of EDTA ingestion increased serum Cu and serum, hepatic, bursal, and splenic Fe. These elemental changes resulting from EDTA may have predisposed the chicks to a higher mortality rate from E. coli compared with controls. Peak mortality occurred 2 days after infection, coincident with an increased serum Cu, decreased serum and bursal Fe and Zn, and increased hepatic and splenic Zn. At 7 days postinfection, recovering chicks experienced decreased hepatic Fe, elevated hepatic Zn, decreased bursal Cu, Fe, and Zn, and increased splenic Cu, Fe, and Zn. The current study demonstrates the interactive effects of EDTA, stress, and E. coli infection on serum and organ trace element concentration.
L S Tufft; C F Nockels
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Poultry science     Volume:  70     ISSN:  0032-5791     ISO Abbreviation:  Poult. Sci.     Publication Date:  1991 Dec 
Date Detail:
Created Date:  1992-03-18     Completed Date:  1992-03-18     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  0401150     Medline TA:  Poult Sci     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  2439-49     Citation Subset:  IM    
Department of Animal Sciences, Colorado State University, Ft. Collins 80523.
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MeSH Terms
Bursa of Fabricius / chemistry,  pathology
Copper / analysis,  blood
Edetic Acid / pharmacology*
Escherichia coli Infections / complications,  metabolism,  veterinary*
Iron / analysis,  blood
Liver / chemistry,  pathology
Organ Size
Poultry Diseases / metabolism*
Random Allocation
Spleen / chemistry,  pathology
Stress, Physiological / complications,  metabolism,  veterinary*
Trace Elements / analysis,  blood
Zinc / analysis,  blood
Reg. No./Substance:
0/Trace Elements; 60-00-4/Edetic Acid; 7439-89-6/Iron; 7440-50-8/Copper; 7440-66-6/Zinc

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

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