Document Detail

Changes in certain metabolic parameters in horses associated with food deprivation and endurance exercise.
MedLine Citation:
PMID:  7043686     Owner:  NLM     Status:  MEDLINE    
Total and individual non-esterified fatty acids (NEFA), pyruvate, lactate, alpha ketoglutarate, acetoacetate, beta hydroxybutyrate, glucose and insulin were measured in horses during an 80 km endurance ride and during four days of food deprivation. In the latter group venous blood-gas and acid-base parameters, and plasma cortisol concentrations were also measured. During exercise and food deprivation the NEFA became considerably elevated, the predominant of which were oleic (35 per cent), palmitic (24 per cent), linoleic (19 per cent) and linolenic (10 per cent). By one hour after feeding total NEFA fell to approximately 20 per cent of 12 hour fasting concentrations. This was associated with a four fold rise in insulin. Small though significant increases occurred in lactate, acetoacetate and beta hydroxybutyrate after the 80 km endurance ride. It was concluded that a ketone pathway is relatively unimportant in the horse, probably due to the ability of the liver to maintain glycogenolysis.
R J Rose; D Sampson
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Research in veterinary science     Volume:  32     ISSN:  0034-5288     ISO Abbreviation:  Res. Vet. Sci.     Publication Date:  1982 Mar 
Date Detail:
Created Date:  1982-07-19     Completed Date:  1982-07-19     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0401300     Medline TA:  Res Vet Sci     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  198-202     Citation Subset:  IM    
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MeSH Terms
Blood Glucose / analysis
Fatty Acids, Nonesterified / blood
Food Deprivation*
Horses / blood*,  physiology
Insulin / blood
Reg. No./Substance:
0/Blood Glucose; 0/Fatty Acids, Nonesterified; 11061-68-0/Insulin

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

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