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Suppl. 1/2004 vol. 13
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SHORT COMMUNICATION
Effect of intravenous administration of glucagon-like peptide 1 on growth hormone secretion in sheep
Y. Kurose 1
,
 
A. Kuwahara 1
,
 
Y. Oshiba 1
,
 
H. Takahashi 1
,
 
Y. Watanabe 1
,
 
Y. Terashima 1
 
 
 
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1
Faculty of Animal Science, Kitasato University, Towada-shi, Aomori 034-8628 Japan
 
 
Publication date: 2004-08-30
 
 
Corresponding author
Y. Kurose   

Faculty of Animal Science, Kitasato University, Towada-shi, Aomori 034-8628 Japan
 
 
J. Anim. Feed Sci. 2004;13(Suppl. 1):433-435
DOI: https://doi.org/10.22358/jafs/73958/2004
 
 
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KEYWORDS
glucagon-like peptide 1
GH
insulin
glucose
sheep
 
ABSTRACT
We examined effects of intravenous administration of glucagon-like peptide 1 (GLP-1) on growth hormone (GH) secretion in ruminants. Four Suffolk rams, aged 2 years, were fed at 16.00 h. They were bled every 5 min from 12.00 until 17.00 h. GLP-1(7-36)amide was intravenously infused at a rate of 1.2 pmol/kg/min from 12.00 to 17.00 h. GH peak frequency was significantly (P<0.05) increased. GLP-1 did not affect GH peak amplitude. Plasma insulin levels transiently increased just after the start of GLP-1 infusion. Plasma glucose levels did not change. GLP-1 may be a physiological regulator of spontaneous pulsatile GH secretion in ruminants.
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