Effects of feeding condensed barley distillers soluble on growth rate, ruminal fermentation, plasma metabolites, and myofiber properties of the longissimus thoracis muscle in Japanese Black calves

Katsuhiko Tsuruoka, Takami Kurahara, Hidenobu Kanamaru, Hideyuki Takahashi, Takafumi Gotoh

研究成果: Contribution to journalArticle査読

抄録

This study evaluated the effects of condensed barley distillers soluble (CBDS) on growth rate, rumen fermentation, plasma metabolite, and myofiber properties, and gene expression related to metabolism in the skeletal muscles of Japanese Black calves, compared with soybean meal and corn. Twenty-four calves were divided into four groups: fed 5% CBDS based on the hay dry matter weight (low CBDS) and fed soybean meal and corn at the same nutrition level (control); and fed 15% CBDS based on the hay dry matter weight (high CBDS) and fed soybean meal and corn at the same nutrition level (high soy). The daily gain was larger in the low (p = 0.08) and high (p < 0.05) CBDS groups compared with the control group. In the CBDS-fed groups, plasma β-hydroxybutyric acid concentrations were significantly higher at 6 months of age (p < 0.05), the percentage of type I myofibers was significantly lower and their diameters were significantly larger at 9 months of age (p < 0.05), and carnitine palmitoyltransferase 1b mRNA expression was significantly lower (p < 0.05) and citrate synthase mRNA expression tended to be lower (low; p = 0.06, high; p = 0.05) compared with control group. Thus, feeding CBDS promotes growth and leads to animals with more glycolytic and less oxidative muscle metabolism.

本文言語英語
ページ(範囲)637-648
ページ数12
ジャーナルAnimal Science Journal
90
5
DOI
出版ステータス出版済み - 5 1 2019

All Science Journal Classification (ASJC) codes

  • 農業および生物科学(全般)

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