Document Detail

Influence of graded levels of fat on utilization of pure carbohydrate by the laying hen.
MedLine Citation:
PMID:  7411245     Owner:  NLM     Status:  MEDLINE    
An experiment involving 140 SCWL laying hens was conducted to investigate the influence of graded levels of supplemental fat on the nitrogen-corrected metabolizable energy (ME) of diets containing different carbohydrates. Twenty-four diets with the same ME: protein ratio were arranged in a 4 X 6 factorial composed of four levels of yellow grease (0, 3, 6 and 9%) and six carbohydrate sources (sucrose, starch, maltose, glucose, fructose, and glucose + fructose). Four additional diets in which the specific carbohydrate was not included, were formulated to facilitate the determination of the MEn of the carbohydrates. The ME of each carbohydrate increased with each increment of supplemental fat. When yellow grease constituted 0 or 9% of the diet, the respective ME values of the carbohydrates (kcal/kg), expressed in a relative index form with the ME of sucrose in diets without added fat set equal to 100, were 100 and 110 for sucrose, 96 and 103 for starch, 93 and 100 for maltose, 92 and 101 for glucose, 90 and 98 for fructose and 89 and 98 for the glucose + fructose mixture. The data indicate that supplemental fat enhanced the utilization of energy from nonlipid dietary constituents. The mechanism by which fat exerts this influence on utilization of dietary energy is not known, but the possible relationship between decreased rat of food passage resulting from supplemental fat and energy utilization is discussed.
G G Mateos; J L Sell
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The Journal of nutrition     Volume:  110     ISSN:  0022-3166     ISO Abbreviation:  J. Nutr.     Publication Date:  1980 Sep 
Date Detail:
Created Date:  1980-11-20     Completed Date:  1980-11-20     Revised Date:  2003-11-14    
Medline Journal Info:
Nlm Unique ID:  0404243     Medline TA:  J Nutr     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  1894-903     Citation Subset:  IM    
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MeSH Terms
Chickens / metabolism*
Dietary Carbohydrates / metabolism*
Dietary Fats / pharmacology*
Dose-Response Relationship, Drug
Energy Metabolism
Fructose / metabolism
Glucose / metabolism
Maltose / metabolism
Starch / metabolism
Sucrose / metabolism
Reg. No./Substance:
0/Dietary Carbohydrates; 0/Dietary Fats; 30237-26-4/Fructose; 50-99-7/Glucose; 57-50-1/Sucrose; 69-79-4/Maltose; 9005-25-8/Starch

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

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