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首页> 外文期刊>African Journal of Biotechnology >Effects of mixed volatile fatty acid sodium salt on insulin-like growth factor-I (IGF-I) and insulin-like growth factor-binding protein-3 (IGFBP-3) in plasma and rumen tissue, and rumen epithelium development in lambs
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Effects of mixed volatile fatty acid sodium salt on insulin-like growth factor-I (IGF-I) and insulin-like growth factor-binding protein-3 (IGFBP-3) in plasma and rumen tissue, and rumen epithelium development in lambs

机译：混合挥发性脂肪酸钠盐对血浆和瘤胃组织中胰岛素样生长因子-1（IGF-1）和胰岛素样生长因子结合蛋白3（IGFBP-3）的影响以及羔羊瘤胃上皮的发育

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Fifteen cross-bred male lambs (Dorset × Small Tail?Han), aged 7 weeks, with average liveweight of 13.8±0.8 kg, were used to study effects of feeding mixed volatile fatty acid (VFA) sodium salt on insulin-like growth factor-I (IGF-I), insulin-like growth factor-binding protein-3 (IGFBP-3) in plasma and rumen tissue and rumen epithelium development. The lambs were randomly divided into 5 groups with 3 lambs in each group. Graded levels of mixed VFA sodium salt (the molar proportion of acetate, propionate, and butyrate was 65:25:10), i.e. 0, 5, 15, 30 and 60g/d was added into milk replacer as experimental treatments I, II, III, IV and V, respectively. The trial lasted 24 days. No differences were found in plasma IGF-I and IGFBP-3 between different treatments (P>0.05), or in IGF-I and IGFBP-3 in rumen dorsal sac and in IGF-I in ventral sac between different treatments (P>0.05), while IGFBP- 3 of treatments IV and V was higher than other treatments in ventral sac (P0.05). It was concluded that feeding mixed VFA sodium salt up to 60 g/d per lamb in milk replacer had no significant effect on development of rumen epithelium.
机译：用15只7周龄，平均活重为13.8±0.8 kg的杂种雄性羔羊（Dorset×Small Tail？Han）来研究饲喂混合挥发性脂肪酸（VFA）钠盐对胰岛素样生长因子的影响-I（IGF-1），血浆和瘤胃组织中的胰岛素样生长因子结合蛋白3（IGFBP-3）和瘤胃上皮发育。将羔羊随机分为5组，每组3只。分级水平的VFA混合钠盐（乙酸盐，丙酸盐和丁酸盐的摩尔比为65:25:10），即将0、5、15、30和60 g / d作为实验处理方法I，II， III，IV和V。审判持续了24天。不同处理之间血浆IGF-I和IGFBP-3无差异（P> 0.05），不同处理之间瘤胃背囊IGF-I和IGFBP-3及腹侧囊IGF-I无差异（P> 0.05） ），而IV和V处理的IGFBP-3在腹囊中高于其他治疗（P0.05）。结论是，在代乳粉中饲喂高达每只羔羊60 g / d的混合VFA钠盐对瘤胃上皮的发育没有显着影响。

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