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KMID : 0359320090490010009
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Korean Journal of Veterinary Research
2009 Volume.49 No. 1 p.9 ~ p.15
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Blood profile test of sustained release formula of implantable bovine somatotropin in steers
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Kim Nam-Joong
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Abstract
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The present study was carried out to examine the sustained release effect of the implantable bovine somatotropin (SRI-BST) formula. In the blood profile test in steers, the bovine somatotropin concentration in serum by radioimmunoassay showed the peak concentration on the first day after the implantation of the SRI-BST formula, and concentration proceeded for 5 days (p < 0.05). The insulin-like growth factor-1 concentration showed the peak concentration on the seventh day after implantation of the SRIF-BST formula, and concentration proceeded for 10 days (p < 0.05). The glucose showed the peak concentration on the first day after implantation of the SRI-BST formula, and concentration continued for 3 days (p < 0.05). The blood urea nitrogen showed the lowest concentration on the third day after implantation of the SRI-BST formula, and concentration continued for 7 days (p < 0.05). These results proved that the SRIF-BST formula was the sustained release effects in steers.
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KEYWORD
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bovine somatotropin (BST), IGF-1, implantable, sustained release
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