প্রচ্ছদ

Durability of induced heat tolerance by short term heat challenge at broilers marketing age.

A trial was conducted to determine the influence of short term exposure to high ambient temperature at 28 and 35 days of age on deep body temperatures (Tb) and subsequent growth of birds until 42 days of age. A total of 90 day old chicks were reared in stainless steel battery cages and were assigned...

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গ্রন্থ-পঞ্জীর বিবরন
প্রধান লেখক: Soleimani Farjam, Abdoreza, Kasim, Azhar, Alimon, Abdul Razak, Idrus, Zulkifli
বিন্যাস: প্রবন্ধ
ভাষা:English
প্রকাশিত: Asian Network for Scientific Information 2008
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id oai:psasir.upm.edu.my:14151
record_format eprints
spelling oai:psasir.upm.edu.my:14151 http://psasir.upm.edu.my/id/eprint/14151/ Durability of induced heat tolerance by short term heat challenge at broilers marketing age. Soleimani Farjam, Abdoreza Kasim, Azhar Alimon, Abdul Razak Idrus, Zulkifli A trial was conducted to determine the influence of short term exposure to high ambient temperature at 28 and 35 days of age on deep body temperatures (Tb) and subsequent growth of birds until 42 days of age. A total of 90 day old chicks were reared in stainless steel battery cages and were assigned at random into 18 pens of 5 birds each, with 9 pens containing males and another 9 pens containing females. Three treatment groups, each represented by 3 male and 3 female pens, were represented by T1 without any heat exposure, T2 with heat exposure starting at day 28 and T3 with heat exposure starting at day 35. Heat stress was defined as 180 min exposure to 35±1°C. Tb and body weights were measured at 35, 37 and 39 days of age immediately following heat exposure. Heat stress resulted in higher Tb and Onset of heat stress at 28 days resulted in significantly lower Tb than onset of heat stress at 35 days. Lower Tb in T2 than T3 permitted recovery in body weight at 42 days. Sexes responded similarly to heat stress. Asian Network for Scientific Information 2008 Article PeerReviewed Soleimani Farjam, Abdoreza and Kasim, Azhar and Alimon, Abdul Razak and Idrus, Zulkifli (2008) Durability of induced heat tolerance by short term heat challenge at broilers marketing age. Pakistan Journal of Biological Sciences, 11 (17). pp. 2163-2166. ISSN 1028-8880; ESSN: 1812-5735 10.3923/pjbs.2008.2163.2166 English
institution UPM IR
collection UPM IR
language English
description A trial was conducted to determine the influence of short term exposure to high ambient temperature at 28 and 35 days of age on deep body temperatures (Tb) and subsequent growth of birds until 42 days of age. A total of 90 day old chicks were reared in stainless steel battery cages and were assigned at random into 18 pens of 5 birds each, with 9 pens containing males and another 9 pens containing females. Three treatment groups, each represented by 3 male and 3 female pens, were represented by T1 without any heat exposure, T2 with heat exposure starting at day 28 and T3 with heat exposure starting at day 35. Heat stress was defined as 180 min exposure to 35±1°C. Tb and body weights were measured at 35, 37 and 39 days of age immediately following heat exposure. Heat stress resulted in higher Tb and Onset of heat stress at 28 days resulted in significantly lower Tb than onset of heat stress at 35 days. Lower Tb in T2 than T3 permitted recovery in body weight at 42 days. Sexes responded similarly to heat stress.
format Article
author Soleimani Farjam, Abdoreza
Kasim, Azhar
Alimon, Abdul Razak
Idrus, Zulkifli
spellingShingle Soleimani Farjam, Abdoreza
Kasim, Azhar
Alimon, Abdul Razak
Idrus, Zulkifli
Durability of induced heat tolerance by short term heat challenge at broilers marketing age.
author_facet Soleimani Farjam, Abdoreza
Kasim, Azhar
Alimon, Abdul Razak
Idrus, Zulkifli
author_sort Soleimani Farjam, Abdoreza
title Durability of induced heat tolerance by short term heat challenge at broilers marketing age.
title_short Durability of induced heat tolerance by short term heat challenge at broilers marketing age.
title_full Durability of induced heat tolerance by short term heat challenge at broilers marketing age.
title_fullStr Durability of induced heat tolerance by short term heat challenge at broilers marketing age.
title_full_unstemmed Durability of induced heat tolerance by short term heat challenge at broilers marketing age.
title_sort durability of induced heat tolerance by short term heat challenge at broilers marketing age.
publisher Asian Network for Scientific Information
publishDate 2008
_version_ 1819293784951750656
score 13.4562235

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