Thyroid Hormone and Blood Metabolites Concentrations of Broiler Chickens Subjected to Feeding Time Restriction

Azis, Abdul and Abbas, Hafil and Heryandi, Yan and Kusnadi, Engkus (2012) Thyroid Hormone and Blood Metabolites Concentrations of Broiler Chickens Subjected to Feeding Time Restriction. Media Peternakan, Journal of Animal Science and Technology, 35 (1). pp. 32-37. ISSN 0126-0472

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Abstract

The present study was conducted to determine the effect of feeding time restriction on thyroid hormone and blood metabolites concentration of broiler chickens during feed restriction and realimentation period. Four hundred of 7 days-old unsexed broiler chicken of Lohmann commercial strain were arranged in a completely randomized design with 5 treatments and analyzed based on ANOVA. The treatments were: chicks fed ad libitum as a control treatment (R-0); chicks had free access to feed during two periods of 2 h (08:00-10:00 and 16:00-18:00) from 7-14 d of age (R-1) and 7-21 d of age (R-2); chicks had free access to feed during two periods of 4 h (08:00-12:00 and 16:00-20:00) from 7-14 d of age (R-3) and 7-21 d of age (R-4). The treatments consisted of 4 replicates with 20 chicks each. During feeding time restriction from 7 to 21 d of age, thyroid hormone and albumin plasma concentration of R-2 and R-4 were lower (P<0.05) than R-0. There were no statistical differences among the treatments on thyroid hormone and blood metabolites during realimentation period from 21 to 42 d of age. It is concluded that thyroid hormone triiodothrionine and thyroxine (T3 and T4 ) and blood metabolite (albumin) decreased during feeding time restriction for 4 and 8 h per d from 7 to 21 d of age and it returns to normal during realimentation period. Key words: broiler, thyroid hormone, blood metabolite, feeding time restriction

Type: Article
Subjects: S Agriculture > SF Animal culture
Divisions: Faculty of Medicine, Health and Life Sciences > School of Biological Sciences
Depositing User: ABDUL AZIS
Date Deposited: 07 Jul 2017 07:22
Last Modified: 07 Jul 2017 07:22
URI: http://repository.unja.ac.id/id/eprint/1130

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