alexa Higher Intake of Milk-Replacer Pre-Weaning Enhances Post-Weaning Insulin-Like Growth Factor 1 Levels in Japanese Black Cattle | OMICS International | Abstract
ISSN: 2157-7579

Journal of Veterinary Science & Technology
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Research Article

Higher Intake of Milk-Replacer Pre-Weaning Enhances Post-Weaning Insulin-Like Growth Factor 1 Levels in Japanese Black Cattle

Hideyuki Takahashi1*, Atsuko Matsubara1, Akira Saitoh2, Ouanh Phomvisith1, Akari Shiga1, Ha T Mai1, Toshihisa Sugino3, Christopher D McMahan4, Tetsuji Etoh1, Yuji Shiotsuka1, Ryoichi Fujino1, Mitsuhiro Furuse1 and Takafumi Gotoh1*

1Kuju Agricultural Research Center, Kyushu University, 878-0201 Kuju-cho, Oita, Japan

2Zenrakuren, Shiba 4-17-5, Minato-ku, 108-0014 Tokyo, Japan

3Graduate School of Biosphere Science, Hiroshima University, Higashi-Hiroshima, Higashi-Hiroshima-shi, 739-8528 Hiroshima, Japan

4AgResearch Ltd, Private Bag 3123, Hamilton, New Zealand

*Corresponding Author:
Hideyuki Takahashi
Kuju Agricultural Research Center
Kyushu University, 878-0201 Kuju-cho
Oita, Japan
Tel: +81974761377
Fax: +81974761218
E-mail: [email protected]
Takafumi Gotoh
Kuju Agricultural Research Center
Kyushu University, 878- 0201 Kuju-cho
Oita, Japan
Tel: +81974761377
Fax: +81974761218
E-mail: [email protected]

Received Date: December 16, 2016; Accepted Date: December 28, 2016; Published Date: December 30, 2016

Citation: Takahashi P, Matsubara A, Saitoh A, Phomvisith O, Shiga A, et al. (2016) Higher Intake of Milk-Replacer Pre-Weaning Enhances Post-Weaning Insulin-Like Growth Factor 1 Levels in Japanese Black Cattle. J Vet Sci Technol 8:409. doi: 10.4172/2157-7579.1000409

Copyright: © 2016 Takahashi P, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

Alterations in early pre-natal nutrition of Japanese Black calves influence the glucose and lipid metabolism after weaning. However, the effects of early nutritional status on the endocrine system in later life stages in Japanese Black cattle are unknown. This study examined how post-weaning plasma levels of growth hormone (GH), insulin-like growth factor 1 (IGF-1), and blood insulin, which are hormones affecting growth and meat quality, and metabolites were affected by feeding 1800 g versus 500 g of milk replacer to Japanese Black cattle (5 per group) during nursing. Up to weaning (90 days post-birth), all calves received calf starter and hay ad libitum, and post-weaning, they received a concentrate feed and hay ad libitum. Plasma concentrations of GH and IGF-1 were greater at weaning in the high-milk-replacer group (P<0.1 and P<0.01, respectively), and elevated IGF-1 concentrations persisted until the study end (210 d) (P<0.05), suggesting that the levels were sustained independent of the influences of both GH and nutrient intake. Blood insulin and metabolites (plasma glucose, beta-hydroxybutyric acid, and non-esterified fatty acids) were not significantly different between the two groups. The results of this study suggest that feeding calves a high volume of milk replacer during nursing will increase IGF-1 secretion well beyond weaning.

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