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首页> 美国卫生研究院文献>Translational Animal Science >Yield chemical composition fermentation characteristics in vitro ruminalvariables and degradability of ensiled amaranth (Amaranthushypochondriacus) cultivars compared with corn (Zea mays)silage
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Yield chemical composition fermentation characteristics in vitro ruminalvariables and degradability of ensiled amaranth (Amaranthushypochondriacus) cultivars compared with corn (Zea mays)silage

机译：产量化学成分发酵特性体外瘤胃变量以及苋菜的可降解性（Amaranthus缺血症状）栽培品种与玉米相比（Zea Mays）相比青贮饲料

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Silages from four amaranth varieties (A5, A12, A14, and A28) were compared with cornsilage (CS) in terms of their yield, chemical composition, phenolic compounds, oxalic acidand nitrate levels, silage fermentation characteristics, in vitro methane production,organic matter disappearance (OMD), microbial crude protein (MCP), ruminal ammonia(NH3-N), pH, volatile fatty acids, cellulolytic bacteria numbers, protozoacounts, and in situ dry matter (DM) and crude protein (CP) degradability were determined.Forages were harvested 93 d after planting, chopped, and ensiled in plastic buckets for 60d. The study was based on a randomized complete block design, and data were analyzed usingSAS, general linear model (GLM) procedure for normal distribution. Compared with CS,amaranth silages (AMS) had lower ash-free neutral detergent fiber nitrate, OMD(P < 0.001), phosphorus (P = 0.003), andmetabolizable energy (ME) (P = 0.043) but higher (P <0.001) CP, calcium, non-fiber carbohydrates (NFC), acid detergent lignin, ether extract,ash, total phenolics, pH, NH3-N concentration, MCP, digestible undegradableprotein (DUP), and metabolizable protein (MP). Fresh, OM, OMD, ME (P <0.001), and DM (P = 0.032) yields of AMS from different varieties werehigher than CS, with the exception of A5. Overall, amaranth made good quality silage, withsome variation, and A28 had the highest yield and nutritional value (CP, NFC, MCP, DUP,and MP). The yield, CP concentration, and nutritional value of A28 silage were higher thanCS. Although these in vitro results are promising, they also need to be validated withfuture in vivo research.
机译：与玉米相比，来自四个苋菜品种（A5，A12，A14和A28）的青贮饲料在它们的产率，化学成分，酚类化合物，草酸方面，青贮饲料（CS）和硝酸盐水平，青贮发酵特性，体外甲烷生产，有机物消失（OMD），微生物粗蛋白（MCP），瘤胃氨（NH3-N），pH，挥发性脂肪酸，纤维素溶解细菌数，原生动物测定计数，原位干物质（DM）和粗蛋白（CP）可降解性。种植，切碎，并在塑料桶中收获93天的饲料，60天。该研究基于随机完整的块设计，使用数据进行分析SAS，通用线性模型（GLM）正态分布程序。与CS相比，苋菜青贮饲料（AMS）具有较低的无灰中性洗涤剂纤维硝酸盐，OMD（P <0.001），磷（P = 0.003），和代谢能量（ME）（p = 0.043）但更高（p <0.001）CP，钙，非纤维碳水化合物（NFC），酸性洗涤剂木质素，醚提取物，灰，总酚，pH，pH，NH3-N浓度，MCP，消化undreacable蛋白质（DUP）和代谢蛋白（MP）。新鲜，OM，OMD，我（P <0.001），DM（p = 0.032）来自不同品种的AMS的产量高于CS，除了A5。总体而言，白苋制成优质青贮饲料，与一些变异和A28具有最高的收益率和营养价值（CP，NFC，MCP，DUP，和MP）。 A28青贮饲料的产量，Cp浓度和营养价值高于CS。虽然这些体外效果很有希望，但它们也需要验证体内研究的未来。

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