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4/2008 vol. 17
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ORIGINAL PAPER
Age-related changes of serum leptin, insulin, IGF-I and thyroid hormones levels in growing Jinhua and Landrace gilts
Z. G. Miao 1,2
,
 
L. J. Wang 1
,
 
Z. R. Xu 1
,
 
X. Y. Han 1
,
 
H. Z. Quan 1
,
 
G. W. Li 2
 
 
 
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1
Key Laboratory for Molecular Animal Nutrition of Ministry of Education, Institute of Feed Science, Zhejiang University, HangZhou, 310029, P.R. China
 
2
College of Animal Science, Henan Institute of Science and Technology, XinXiang, 453003, P.R. China
 
 
Publication date: 2008-10-27
 
 
Corresponding author
Z. R. Xu   

Key Laboratory for Molecular Animal Nutrition of Ministry of Education, Institute of Feed Science, Zhejiang University, HangZhou, 310029, P.R. China
 
 
J. Anim. Feed Sci. 2008;17(4):548-558
DOI: https://doi.org/10.22358/jafs/66683/2008
 
 
Article (PDF)
Citations (3)
 
KEYWORDS
gilts
leptin
insulin
IGF-I
thyroid hormones
age-related changes
 
ABSTRACT
The present study was aimed to investigate the age-related changes of the serum IGF-I, leptin, insulin, triiodothyronine (T3) and thyroxine (T4) levels in pigs of different breeds. Jinhua and Landrace gilts were sampled at 35, 80 and 125 days of age, respectively. Serum hormone levels were measured with RIA. Serum IGF-I, leptin levels increased with age and displayed breed differences. Jinhua gilts showed lower (P<0.05) serum IGF-I and higher (P<0.05) leptin levels compared with Landrace gilts. In contrast, serum T3, T4 levels decreased with age, Jinhua gilts had lower serum T4 levels at 80 days of age. Meanwhile, Jinhua gilts had higher (P<0.01) serum insulin levels. Serum leptin, IGF-I, insulin and T4 levels correlated with carcass fat content (P<0.05), which suggested that the breed differences of serum hormone levels may contribute to the different phenotypes in adipose tissue deposition.
 
CITATIONS (3):
1.
Relationship between the level of plasma insulin and lipid profile in Iranian fat-tailed sheep
Behrad Eshratkhah, Vahid Forouzan, Jalal Ahanpanjeh, Salar Mohammadi Bastam, Kamal Najafian
Comparative Clinical Pathology
 
CrossRef
 
 
2.
Mapping, expression and regulation of the TRα gene in porcine adipose tissue
Z.-W. Cai, Y.-F. Sheng, L.-F. Zhang, Y. Wang, X.-L. Jiang, Z.-Z. Lv, N.-Y. Xu
Genetics and Molecular Research
 
CrossRef
 
 
3.
Effect of restricted feeding and realimentation periods on compensatory growth performance and physiological characteristics of pigs
Justyna Więcek, Anna Rekiel, Jacek Skomiał
Archives of Animal Nutrition
 
CrossRef
 
 
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