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在厄瓜多尔条件下的Axonopus Scoparius体外消化能力评估:基线结果

M P P Orozco¹, L S A Alemán¹, M M F Ramos¹

¹Escuela Superior Politécnica de Chimborazo - ESPOCH, Macas, Morona Santiago, Ecuador.

Brazilian journal of biology = Revista brasleira de biologia

|August 20, 2025

概括

这项研究评估了Axonopus scoparius草的体外干物消化能力 (IVDMD). 在更长的潜伏期和中等海拔地区观察到更高的IVDMD,这表明它有可能用于反动物的生产.

科学领域:

农业学
动物营养
料质量评估

背景情况:

厄瓜多尔亚马逊原生草Axonopus scoparius对反动物系统有潜力,但缺乏足够的营养数据.
高度等环境因素可能会影响料质量,需要进行局部营养评估.

研究的目的:

评估Axonopus scoparius的体外干物消化能力 (IVDMD).
确定生态区,高度和化时间对A. scoparius IVDMD的影响.

主要方法:

在6个生态区 (280-945米) 采集了A. scoparius的样本. ) 的情况.
使用Tilley和Terry两阶段技术在24小时,48小时和72小时内评估干物消化能力 (IVDMD).
统计分析包括ANOVA,Tukey测试和回归建模.

主要成果:

随着化时间的增加,IVDMD显著增加 (22. 46%在24小时,30. 74%在48小时,37. 81%在72小时;P < 0. 01).
高度显著影响消化能力 (P = 0.004),中等高度区域 (海拔600-750米) 显示出最高的IVDMD (高达42. 4%).
延长的潜伏期 (72小时) 与消化能力呈正相关性 (r=0. 5289, p=0. 0079).

结论:

Axonopus scoparius表现出中度的IVDMD,受化时间和海拔高度的影响.
延长发酵期对于对这种料进行准确的IVDMD评估至关重要.
A. scoparius是热带畜牧系统的弹性,低投入的料选择,需要进一步的营养增强研究.

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