Document Detail

Characterization of shell gland lipids from chickens (Gallus domesticus) producing strong or weak egg shells.
MedLine Citation:
PMID:  2620496     Owner:  NLM     Status:  MEDLINE    
1. The reduction in egg shell strength in hens at the end of the first reproductive cycle was not associated with abnormal uterine or body fat accumulation. 2. The phosphatidylcholine concentration was greater in the shell glands of hens producing strong egg shells compared to that of producing weak egg shells. 3. Differences were not detected in the total lipid or cholesterol concentrations or the fatty acid profiles of phosphatidylcholine or phosphatidylethanolamine fractions. 4. Following an induced molt, the fatty acid profile of the total lipid fraction of the shell gland was altered with a decrease in stearic acid and an increase in oleic acid. 5. The results demonstrate that alterations in egg shell strength are mainly associated with changes in shell gland phospholipid polar head group composition and not with changes in phospholipid fatty acid profile or cholesterol concentration.
D J Castaldo; D V Maurice
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Comparative biochemistry and physiology. B, Comparative biochemistry     Volume:  94     ISSN:  0305-0491     ISO Abbreviation:  Comp. Biochem. Physiol., B     Publication Date:  1989  
Date Detail:
Created Date:  1990-03-29     Completed Date:  1990-03-29     Revised Date:  2005-11-17    
Medline Journal Info:
Nlm Unique ID:  2984730R     Medline TA:  Comp Biochem Physiol B     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  521-4     Citation Subset:  IM    
Department of Poultry Science, Clemson University, SC 29634-0379.
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MeSH Terms
Chickens / metabolism*
Cholesterol / metabolism
Egg Shell / metabolism*
Fatty Acids / metabolism
Lipid Metabolism*
Membrane Lipids / metabolism
Membranes / metabolism
Phosphatidylcholines / metabolism
Reg. No./Substance:
0/Fatty Acids; 0/Membrane Lipids; 0/Phosphatidylcholines; 57-88-5/Cholesterol

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