Document Detail


Lipoprotein metabolism in the preruminant calf: effect of a high fat diet supplemented with L-methionine.
MedLine Citation:
PMID:  7929948     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The effects of dietary lipid and L-Met supplementation on plasma lipids and lipoproteins were investigated in 16-wk-old preruminant calves. Four calves received the basal milk diet (2.0 g of lipid/kg of BW per meal) for 8 d followed by the same diet supplemented with L-Met (2.6 g/kg of dietary DM) for 5 d. Similarly, seven calves received successively the basal diet supplemented with cream (2.7 g of lipid/kg of BW per meal) and the same diet supplemented with L-Met. The diet with cream induced higher triglyceridemia than the basal diet because of a marked increase in chylomicra and in very low density lipoproteins, which suggested stimulation of intestinal lipoprotein secretion. Moreover, this lipid-enriched diet stimulated the formation of very light high density lipoproteins to the detriment of heavy high density lipoproteins. These particles, the bovine counterpart of mammalian high density lipoproteins of type 1, were distributed within the density range of low density lipoproteins. Addition of L-Met in the diets increased plasma concentrations of chylomicra and very low density lipoproteins, suggesting direct stimulation of the intestinal secretion of both of these lipoproteins and of the hepatic very low density lipoproteins. No effect of L-Met was observed on the concentrations and the physicochemical properties of low and light high density lipoproteins.
Authors:
S Auboiron; D Durand; D Bauchart; J C Robert; M J Chapman
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of dairy science     Volume:  77     ISSN:  0022-0302     ISO Abbreviation:  J. Dairy Sci.     Publication Date:  1994 Jul 
Date Detail:
Created Date:  1994-10-28     Completed Date:  1994-10-28     Revised Date:  2003-11-14    
Medline Journal Info:
Nlm Unique ID:  2985126R     Medline TA:  J Dairy Sci     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  1870-81     Citation Subset:  IM    
Affiliation:
Unité de Recherches Métabolismes Energétique et Lipidique, Institut National de la Recherche Agronomique Centre de Recherches Clermont-Ferrand-Theix, St Genès-Champanelle, France.
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MeSH Terms
Descriptor/Qualifier:
Animals
Cattle / blood*
Diet
Dietary Fats / administration & dosage*
Lipoproteins / blood*
Lipoproteins, HDL / blood
Lipoproteins, LDL / blood
Lipoproteins, VLDL / blood
Male
Methionine / administration & dosage*
Milk
Triglycerides / blood
Chemical
Reg. No./Substance:
0/Dietary Fats; 0/Lipoproteins; 0/Lipoproteins, HDL; 0/Lipoproteins, LDL; 0/Lipoproteins, VLDL; 0/Triglycerides; 63-68-3/Methionine

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


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