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苎麻作为反刍动物饲料的潜力:对山羊生长、消化、瘤胃发酵、胴体特性和肉质的影响。

The potential of ramie as forage for ruminants: Impacts on growth, digestion, ruminal fermentation, carcass characteristics and meat quality of goats.

作者信息

Zhang Hao, He Yao, Yu Lihuai, Tang Shaoxun, Tan Zhiliang, Zhou Chuanshe, Dong Li, Wang Hongrong

机构信息

Laboratory of Metabolic Manipulation of Herbivorous Animal Nutrition, College of Animal Science and Technology, Yangzhou University, Yangzhou, China.

Joint International Research Laboratory of Agriculture and Agri-Product Safety, the Ministry of Education of China, Yangzhou University, Yangzhou, China.

出版信息

Anim Sci J. 2019 Apr;90(4):481-492. doi: 10.1111/asj.13165. Epub 2019 Feb 3.

Abstract

The objective was to evaluate the effects of ramie conserved as forage supplementation on growth, digestion, and meat quality of Liuyang black castrated goats in a 60 days feedlot study. Forty-eight goats were randomly assigned to each of four treatments: 24% rice straw + 36% ramie residues silage + 40% concentrate; 24% rice straw + 36% raw ramie silage + 40% concentrate; 24% rice straw + 36% ramie residues hay + 40% concentrate; 24% rice straw + 36% raw ramie hay + 40% concentrate. There was an increased tendency for ADG in ramie hay treatment than that of ramie silage treatment (p = 0.067). There was an increase for the apparent digestibility of DM, CP, NDF, and ADF in the ramie hay treatment than that of ramie silage treatment (p ≤ 0.034). An increased tendency was found for C18:1n-9c (% of total fatty acids) in the longissimus dorsi muscle of raw ramie treatment versus ramie residues treatment (p ≤ 0.087). These results indicate that the ramie hay or raw ramie treatment had a tendency for improving the nutrient digestibility and meat quality of goats than that of ramie silage or ramie residues treatment, respectively.

摘要

本研究旨在通过一项为期60天的育肥试验,评估用苎麻作为饲料补充物对浏阳黑阉山羊生长性能、消化率和肉质的影响。48只山羊被随机分为四组,每组分别饲喂以下四种日粮:24%稻草+36%苎麻残渣青贮料+40%精料;24%稻草+36%鲜苎麻青贮料+40%精料;24%稻草+36%苎麻残渣干草+40%精料;24%稻草+36%鲜苎麻干草+40%精料。苎麻干草组的平均日增重(ADG)比苎麻青贮料组有增加趋势(p = 0.067)。苎麻干草组干物质(DM)、粗蛋白(CP)、中性洗涤纤维(NDF)和酸性洗涤纤维(ADF)的表观消化率比苎麻青贮料组有所提高(p≤0.034)。鲜苎麻组背最长肌中C18:1n-9c(占总脂肪酸的百分比)相对于苎麻残渣组有增加趋势(p≤0.087)。这些结果表明,苎麻干草或鲜苎麻处理分别比苎麻青贮料或苎麻残渣处理更倾向于提高山羊的养分消化率和肉质。

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