Document Detail


Long-term feeding effects of dietary protein levels on egg production, immunocompetence and plasma amino acids of laying hens in subtropical condition.
MedLine Citation:
PMID:  19175455     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The objective of this study was to determine the effect of protein levels on production performance, immune response, liver triglyceride and plasma amino acids profile of laying hens during 21-48 weeks of age. Two groups of commercial hens (Babcock B-308) were fed with diets with different crude protein levels (14% and 18% CP). The high protein diet (18% CP) significantly increased production performance, essential amino acid intake, spleen weight (% of body weight), ND-titre (haemagglutination-inhibition test), serum albumin (g/dl), serum alpha-globulin and plasma essential amino acids (except histidine) and decreased liver triglyceride (mg/g liver) in relation to the low protein diet (14% CP). In long-term effect, therefore, this study suggested that adequate dietary condition of amino acids, particularly methionine and branch-chain amino acids is necessary for sustaining normal immunocompetence and achieving maximum production performance.
Authors:
K Poosuwan; C Bunchasak; C Kaewtapee
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Publication Detail:
Type:  Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't     Date:  2009-01-13
Journal Detail:
Title:  Journal of animal physiology and animal nutrition     Volume:  94     ISSN:  1439-0396     ISO Abbreviation:  J Anim Physiol Anim Nutr (Berl)     Publication Date:  2010 Apr 
Date Detail:
Created Date:  2010-05-14     Completed Date:  2010-08-30     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101126979     Medline TA:  J Anim Physiol Anim Nutr (Berl)     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  186-95     Citation Subset:  IM    
Affiliation:
Department of Animal Science, Faculty of Agriculture, Kasetsart University, Banngkok, Thailand.
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MeSH Terms
Descriptor/Qualifier:
Aging
Amino Acids / blood*
Animal Feed / analysis
Animal Nutritional Physiological Phenomena
Animals
Chickens / blood*,  immunology,  physiology*
Climate*
Diet / veterinary
Dietary Proteins / pharmacology*
Drug Administration Schedule
Female
Oviposition / drug effects*
Temperature
Chemical
Reg. No./Substance:
0/Amino Acids; 0/Dietary Proteins

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


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