一年中不同季节香茅干物质在山羊体内的瘤胃降解

H. Trulls, M. Ortiz, A. Zach, J. Picot, J. Brem
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引用次数: 0

摘要

本工作的目的是评估Pasto Chané在一年中不同季节山羊瘤胃干物质(DDM)的可降解性。采用瘤胃原位消化技术测定了该草的DM降解动力学,在4只瘤胃瘘管去势雄山羊中,每个季节孵化3克饲料样品。使用SAS和Infostat统计程序对数据进行分析。方差分析在一年中不同季节的不同潜伏期没有显示出显著差异,DDM有值?在所研究的三个季节中,在50.22-60.4%之间。有效降解性(P)在分析的一年中的三个季节没有显示出显著的变化,尽管它在春季的值更高。对于该牧场的潜在DM降解性(a+b),数值?秋季为49.9%,春季最高为58.72%。得出的结论是,Pasto Chane的DDM在分析的一年中的三个季节没有变化,因此估计它保持了其营养质量,突出了该资源在研究季节的使用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
RUMEN DEGRADATION OF DRY MATTER OF CHANÉ GRASS (Paspalum guenoarum) IN GOATS IN DIFFERENT SEASONS OF THE YEAR
The aim of this work was to evaluate the ruminal degradability of the dry matter (DDM) of Pasto Chané, in goats in different seasons of the year. The DM degradation kinetics of this grass was determinated by the in situ ruminal digestion technique, in 4 male goats castrated with ruminal fistula, samples of 3 grams of forage were incubated in each season. The data was analyzed with SAS and Infostat statistical programs. The ANOVA did not show significant differences for the different incubation hours in the different seasons of the year, the DDM had values ?between 50.22 and 60.4% in the three seasons studied. Effective degradability (P) did not show significant variations in the three seasons of the year analyzed, although it registered a higher value in spring. For the potential DM degradability of this pasture (a + b), values ?of 49.9% were obtained in autumn and a maximum of 58.72% in spring. It is concluded that the DDM of Pasto Chane did not vary during the three seasons of the year analyzed, for which it is estimated that it maintained its nutritional quality, highlighting the use of this resource in the studied seasons.
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