Effect of feeding rice whole crop silage on growth rate, levels of vitamin A, β-carotene, vitamin E and IGF-1 in plasma and skeletal muscle protein degradation in Japanese black calves

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

研究成果: ジャーナルへの寄稿記事

抄録

This study evaluated the effects of rice whole crop silage (RWCS) on growth, plasma levels of vitamin A, β-carotene, vitamin E and IGF-1, and expression of genes involved in muscle protein degradation and synthesis in Japanese Black calves. Eleven calves were divided into RWCS (fed RWCS ad libitum and concentrate, n = 5) and control groups (fed hay ad libitum and concentrate, n = 6). Final body weight and dairy gain were significantly larger in the RWCS group compared with the control group. Plasma β-carotene and vitamin E concentrations were significantly higher in the RWCS group compared with control group. Although plasma vitamin E concentration in the RWCS group significantly increased from 4 to 9 months of age, it did not increase in the control group. At 6 months of age in the RWCS group, ubiquitin B (p < 0.05) and calpain 1 (p = 0.097) mRNA expression were lower than control group, but they were not different between groups at 9 months of age. These results indicate that RWCS increases plasma β-carotene level and promotes muscle growth because of a decrease in the rate of protein degradation, but the effect is lost with the increase in plasma vitamin E level.

元の言語英語
ページ(範囲)728-736
ページ数9
ジャーナルAnimal Science Journal
90
発行部数6
DOI
出版物ステータス出版済み - 6 1 2019

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whole crop silage
Silage
Wagyu
Muscle Proteins
muscle protein
Carotenoids
carotenes
protein degradation
Insulin-Like Growth Factor I
Proteolysis
vitamin A
vitamin E
skeletal muscle
Skeletal Muscle
calves
rice
Growth
Control Groups
Vitamin E
concentrates

All Science Journal Classification (ASJC) codes

  • Agricultural and Biological Sciences(all)

これを引用

Effect of feeding rice whole crop silage on growth rate, levels of vitamin A, β-carotene, vitamin E and IGF-1 in plasma and skeletal muscle protein degradation in Japanese black calves. / Tsuruoka, Katsuhiko; Kurahara, Takami; Kanamaru, Hidenobu; Takahashi, Hideyuki; Gotoh, Takafumi.

:: Animal Science Journal, 巻 90, 番号 6, 01.06.2019, p. 728-736.

研究成果: ジャーナルへの寄稿記事

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abstract = "This study evaluated the effects of rice whole crop silage (RWCS) on growth, plasma levels of vitamin A, β-carotene, vitamin E and IGF-1, and expression of genes involved in muscle protein degradation and synthesis in Japanese Black calves. Eleven calves were divided into RWCS (fed RWCS ad libitum and concentrate, n = 5) and control groups (fed hay ad libitum and concentrate, n = 6). Final body weight and dairy gain were significantly larger in the RWCS group compared with the control group. Plasma β-carotene and vitamin E concentrations were significantly higher in the RWCS group compared with control group. Although plasma vitamin E concentration in the RWCS group significantly increased from 4 to 9 months of age, it did not increase in the control group. At 6 months of age in the RWCS group, ubiquitin B (p < 0.05) and calpain 1 (p = 0.097) mRNA expression were lower than control group, but they were not different between groups at 9 months of age. These results indicate that RWCS increases plasma β-carotene level and promotes muscle growth because of a decrease in the rate of protein degradation, but the effect is lost with the increase in plasma vitamin E level.",
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