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Effects of dietary supplementation of selenium and iodine on growth performance, carcass characteristics and histology of thyroid gland in goats

Aghwan, Zeiad Amjad Abdulrazzak and Sazili, Awis Qurni and Kadhim, Khalid Kamil and Alimon, Abdul Razak and Goh, Yong Meng and Adeyemi, Kazeem Dauda (2016) Effects of dietary supplementation of selenium and iodine on growth performance, carcass characteristics and histology of thyroid gland in goats. Animal Science Journal, 87 (5). pp. 690-696. ISSN 1344-3941; ESSN: 1740-0929

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Official URL: http://onlinelibrary.wiley.com/wol1/doi/10.1111/as...

Abstract

This study assessed the effects of dietary selenium (Se), iodine (I) and a combination of both on growth performance, thyroid gland activity, carcass characteristics and the concentration of iodine and selenium in Longissimus lumborum (LL) muscle in goats. Twenty-four bucks were randomly assigned to four dietary treatments: control (CON), basal diet without supplementation, basal diet + 0.6 mg Se/kg dry matter (DM) (SS), 0.6 mg I/kg DM (IP), or combination of 0.6 mg/kg DM Se and 0.6 mg/kg DM I (SSIP) and fed for 100 days. Animals fed diet SSIP exhibited higher (P < 0.05) body weight and better feed conversion ratio (FCR) than those fed other diets. Dressing percentage of goats fed the supplemented diets was higher (P < 0.05) than that of the control. Carcasses from the IP group had higher (P < 0.05) total fat proportion than the SSIP group. The levels of both elements were significantly elevated (P < 0.05) in LL muscle in supplemented goats. Thyroid follicular epithelial cells of IP and SSIP animals were significantly higher than those of CON and SS groups. The study demonstrated that the combined Se and I dietary supplementation improves growth performance, carcass dressing percentage and increases the retention of Se and I in goat meat.

Item Type:Article
Keyword:Goat meat; Growth; Iodine; Selenium; Thyroid gland
Faculty or Institute:Faculty of Agriculture
Faculty of Veterinary Medicine
Halal Products Research Institute
Institute of Tropical Agriculture
Publisher:Japanese Society of Animal Science
DOI Number:10.1111/asj.12484
Altmetrics:http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.1111/asj.12484
ID Code:52397
Deposited By: Nabilah Mustapa
Deposited On:06 Jun 2017 16:28
Last Modified:06 Jun 2017 16:28

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