Document Detail


Serum complement activity of protein-energy malnourished beef cows.
MedLine Citation:
PMID:  6778275     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Beef heifers were fed protein- or energy-deficient rations (or both) for approximately the last 5 months of pregnancy. Serum samples were periodically collected and were analyzed for amounts of total complement (C) hemolytic activity. After being fed the rations for approximately 2 months, heifers given low-energy rations had significantly lower (P < 0.01) amounts of C than did those fed adequate energy rations, This decrease in C was observed regardless of the amount of dietary protein, although low protein intake seemed to exaggerate the effect of low energy consumption. Reduced protein in the rations had no effect on C titers when caloric intake was adequate. Also, the depressive effect of low dietary energy on C values was no longer apparent after approximately 4 months of feeding the rations. Amounts of C dropped by 20 to 40 U for all groups at or near the time of parturition. The C values averaged over all test dates were significantly lower (P < 0.05) for those heifers given low energy in their rations as compared with values for heifers fed adequate energy rations (146.9 vs 160.8 U).
Authors:
L F Woodward; W P Eckblad; D P Olson; R C Bull; D O Everson
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S.    
Journal Detail:
Title:  American journal of veterinary research     Volume:  41     ISSN:  0002-9645     ISO Abbreviation:  Am. J. Vet. Res.     Publication Date:  1980 Sep 
Date Detail:
Created Date:  1981-02-19     Completed Date:  1981-02-19     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0375011     Medline TA:  Am J Vet Res     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  1546-8     Citation Subset:  IM    
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MeSH Terms
Descriptor/Qualifier:
Animals
Cattle
Cattle Diseases / immunology*
Complement System Proteins / analysis*
Female
Pregnancy
Protein-Energy Malnutrition / immunology,  veterinary*
Chemical
Reg. No./Substance:
9007-36-7/Complement System Proteins

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


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