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Effects of early age feed restriction and heat conditioning on heterophil/lymphocyte ratios, heat shock protein 70 expression and body temperature of heat-stressed broiler chickens

We examined the effects of early age feed restriction and heat conditioning on heterophil/lymphocyte ratios (HLR), heat shock protein (hsp) 70 expression and body temperature of heat-stressed male broiler chickens. On day (d) 1,chicks were subjected to (1) 60% feed restriction on d 4, 5, and 6 (FR);...

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Main Authors: Idrus, Zulkifli, Liew, Pit Kang, Israf Ali, Daud Ahmad, Omar, Abdul Rahman, Bejo, Mohd Hair
Format: Article
Language:English
English
English
Published: Elsevier Science 2003
Online Access:http://psasir.upm.edu.my/id/eprint/6466/1/Effects%20of%20early%20age%20feed%20restriction%20and%20heat%20conditioning%20on%20heterophil.pdf
http://psasir.upm.edu.my/id/eprint/6466/7/1-s2.0-S030645650200058X-main.pdf
http://psasir.upm.edu.my/id/eprint/6466/
http://dx.doi.org/10.1016/S0306-4565(02)00058-X
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spelling my.upm.eprints.64662024-07-25T06:44:35Z http://psasir.upm.edu.my/id/eprint/6466/ Effects of early age feed restriction and heat conditioning on heterophil/lymphocyte ratios, heat shock protein 70 expression and body temperature of heat-stressed broiler chickens Idrus, Zulkifli Liew, Pit Kang Israf Ali, Daud Ahmad Omar, Abdul Rahman Bejo, Mohd Hair We examined the effects of early age feed restriction and heat conditioning on heterophil/lymphocyte ratios (HLR), heat shock protein (hsp) 70 expression and body temperature of heat-stressed male broiler chickens. On day (d) 1,chicks were subjected to (1) 60% feed restriction on d 4, 5, and 6 (FR); (2) exposure to 36±1°C for 1 h from d 1 to 21 (HT); (3) both FR and HT (FRHT); or (4) control. On d 35, all the birds were exposed to 39±1°C for 6 h. Subjecting chicks to FR, HT and FRHT reduced HLR response to the heat challenge. The FR and FRHT birds had improved hsp 70 response and the latter were more hyperthermic than controls during the heat exposure. Elsevier Science 2003-04 Article PeerReviewed text en http://psasir.upm.edu.my/id/eprint/6466/1/Effects%20of%20early%20age%20feed%20restriction%20and%20heat%20conditioning%20on%20heterophil.pdf text en http://psasir.upm.edu.my/id/eprint/6466/7/1-s2.0-S030645650200058X-main.pdf Idrus, Zulkifli and Liew, Pit Kang and Israf Ali, Daud Ahmad and Omar, Abdul Rahman and Bejo, Mohd Hair (2003) Effects of early age feed restriction and heat conditioning on heterophil/lymphocyte ratios, heat shock protein 70 expression and body temperature of heat-stressed broiler chickens. Journal of Thermal Biology, 28 (3). pp. 217-222. ISSN 0306-4565 http://dx.doi.org/10.1016/S0306-4565(02)00058-X 10.1016/S0306-4565(02)00058-X English
institution Universiti Putra Malaysia
building UPM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Putra Malaysia
content_source UPM Institutional Repository
url_provider http://psasir.upm.edu.my/
language English
English
English
description We examined the effects of early age feed restriction and heat conditioning on heterophil/lymphocyte ratios (HLR), heat shock protein (hsp) 70 expression and body temperature of heat-stressed male broiler chickens. On day (d) 1,chicks were subjected to (1) 60% feed restriction on d 4, 5, and 6 (FR); (2) exposure to 36±1°C for 1 h from d 1 to 21 (HT); (3) both FR and HT (FRHT); or (4) control. On d 35, all the birds were exposed to 39±1°C for 6 h. Subjecting chicks to FR, HT and FRHT reduced HLR response to the heat challenge. The FR and FRHT birds had improved hsp 70 response and the latter were more hyperthermic than controls during the heat exposure.
format Article
author Idrus, Zulkifli
Liew, Pit Kang
Israf Ali, Daud Ahmad
Omar, Abdul Rahman
Bejo, Mohd Hair
spellingShingle Idrus, Zulkifli
Liew, Pit Kang
Israf Ali, Daud Ahmad
Omar, Abdul Rahman
Bejo, Mohd Hair
Effects of early age feed restriction and heat conditioning on heterophil/lymphocyte ratios, heat shock protein 70 expression and body temperature of heat-stressed broiler chickens
author_facet Idrus, Zulkifli
Liew, Pit Kang
Israf Ali, Daud Ahmad
Omar, Abdul Rahman
Bejo, Mohd Hair
author_sort Idrus, Zulkifli
title Effects of early age feed restriction and heat conditioning on heterophil/lymphocyte ratios, heat shock protein 70 expression and body temperature of heat-stressed broiler chickens
title_short Effects of early age feed restriction and heat conditioning on heterophil/lymphocyte ratios, heat shock protein 70 expression and body temperature of heat-stressed broiler chickens
title_full Effects of early age feed restriction and heat conditioning on heterophil/lymphocyte ratios, heat shock protein 70 expression and body temperature of heat-stressed broiler chickens
title_fullStr Effects of early age feed restriction and heat conditioning on heterophil/lymphocyte ratios, heat shock protein 70 expression and body temperature of heat-stressed broiler chickens
title_full_unstemmed Effects of early age feed restriction and heat conditioning on heterophil/lymphocyte ratios, heat shock protein 70 expression and body temperature of heat-stressed broiler chickens
title_sort effects of early age feed restriction and heat conditioning on heterophil/lymphocyte ratios, heat shock protein 70 expression and body temperature of heat-stressed broiler chickens
publisher Elsevier Science
publishDate 2003
url http://psasir.upm.edu.my/id/eprint/6466/1/Effects%20of%20early%20age%20feed%20restriction%20and%20heat%20conditioning%20on%20heterophil.pdf
http://psasir.upm.edu.my/id/eprint/6466/7/1-s2.0-S030645650200058X-main.pdf
http://psasir.upm.edu.my/id/eprint/6466/
http://dx.doi.org/10.1016/S0306-4565(02)00058-X
_version_ 1805889934659158016
score 13.211869

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