Document Detail


Protein and energy relations in the broiler chicken. Chronic or acute effects of alternating protein or intermittent feeding regimens on broiler lipid metabolism.
MedLine Citation:
PMID:  2706227     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
1. Broiler chickens growing from 7 to 28 d of age were given: (1) a 210 g protein/kg control diet for the entire experimental period, (2) an intermittent feeding regimen (210 g protein/kg diet for either 1 or 2 d followed by a 1 d fast), or (3) a daily change in the dietary protein level from 120 to 300 g/kg diet. Treatment variables examined were lipogenesis and glucose production in vitro, and circulating concentrations of insulin, triiodothyronine (T3) and thyroxine (T4) to determine the effects of chronic or acute dietary treatments. 2. Giving the 300 g protein/kg diet or withholding feed for 1 d decreased (P less than 0.05) lipogenesis in vitro compared with controls. 3. Giving the 120 g protein/kg diet or refeeding with a 210 g protein/kg diet for 1 or 2 d increased (P less than 0.05) lipogenesis in vitro compared with controls. Glucose production was affected in the same manner. 4. Fasting decreased (P less than 0.05) plasma insulin and T3 and increased T4. Both refeeding and a low-protein diet increased T3. Refeeding increased and a low-protein diet decreased insulin. 5. Chronic use (7-28 d of age) of either an alternating protein or intermittent feeding regimen caused greater responses compared with acute bouts (single cycle) of either of the regimens.
Authors:
R W Rosebrough; J P McMurtry; N C Steele
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Publication Detail:
Type:  In Vitro; Journal Article    
Journal Detail:
Title:  The British journal of nutrition     Volume:  61     ISSN:  0007-1145     ISO Abbreviation:  Br. J. Nutr.     Publication Date:  1989 Mar 
Date Detail:
Created Date:  1989-06-07     Completed Date:  1989-06-07     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0372547     Medline TA:  Br J Nutr     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  223-33     Citation Subset:  IM    
Affiliation:
Livestock and Poultry Sciences Institute, United States Department of Agriculture, Beltsville, MD 20705.
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MeSH Terms
Descriptor/Qualifier:
Animals
Chickens / metabolism*
Diet
Dietary Proteins / administration & dosage*
Fasting
Food Deprivation*
Glucose / metabolism
Lipid Metabolism*
Liver / metabolism*
Male
Chemical
Reg. No./Substance:
0/Dietary Proteins; 50-99-7/Glucose

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


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