Document Detail

Food restriction early or later in life and its effect on adaptability, disease resistance, and immunocompetence of heat-stressed dwarf and nondwarf chickens.
MedLine Citation:
PMID:  8062104     Owner:  NLM     Status:  MEDLINE    
1. Dwarf and nondwarf chickens placed under 60% food restriction from either 4 to 6 (early) or 24 to 26 (late) days of age were exposed to high ambient temperatures (35 +/- 2 degrees C) from 36 to 43 d of age. 2. As measured by heterophil/lymphocyte (H/L) ratios, stress response to food restriction was similar at both ages for dwarfs while less at the younger than the older age for nondwarfs, resulting in a significant food restriction interaction of genotype by age. 3. Nondwarf chickens food restricted at the younger age had smaller increases in H/L ratios, improved resistance to marble spleen disease infection and greater growth than those restricted at the older age or fed ad libitum in response to the high ambient temperatures. 4. For dwarf chickens feeding regimen had no influence on response to the environmental insults. 5. Antibody response to sheep erythrocyte antigen was not affected by genotype or feeding regimen.
I Zulkifli; E A Dunnington; W B Gross; P B Siegel
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  British poultry science     Volume:  35     ISSN:  0007-1668     ISO Abbreviation:  Br. Poult. Sci.     Publication Date:  1994 May 
Date Detail:
Created Date:  1994-09-20     Completed Date:  1994-09-20     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  15740290R     Medline TA:  Br Poult Sci     Country:  SCOTLAND    
Other Details:
Languages:  eng     Pagination:  203-13     Citation Subset:  IM    
Animal and Poultry Sciences Department, Virginia Polytechnic Institute and State University, Blacksburg 24061-0306.
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MeSH Terms
Body Weight
Chickens / physiology*
Disease Susceptibility
Energy Intake
Growth / physiology*
Hot Temperature
Leukocyte Count
Leukocytes / physiology
Lymphocytes / physiology
Species Specificity

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

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