摘要
In recent years sheep, farming has emerged as an alternative production system especially in dry areas. The use of leaves and fruit from some trees has become an alternative for feeding for ruminants; however, studies on these species are scarce. The objective of this study was to evaluate the effect of S. spectabilis fruit meal on in vivo and in vitro digestibility, blood metabolites, and ruminal kinetics in hair lambs. This study was carried out at Las Brisas farm, University of Tolima - Colombia. Twelve male hair lambs with body weight of 20.3 ± 2.5 kg were used. Animals were distributed in an experimental 4x4 Latin square design. The treatments consisted of diets based on Dichanthium spp hay with different inclusion levels of S. spectabilis fruit meal (15, 30, and 45%). A linear increasing effect (P <0.05) was observed for in vivo and in vitro digestibility of dry matter, organic matter, and crude protein; likewise, plasma urea and ruminal degradability increased as the level of supplementation of S. spectabilis increased. The meal of S. spectabilis improves digestibility, protein intake, and ruminal kinetics in hair lambs; therefore, it is suggested as a promising alternative for ruminants feeding in dry tropic regions.
摘要译文
近年来，绵羊，农业已成为替代生产系统，特别是在干旱地区。使用一些树木的叶子和果实已经成为反刍动物饲养的替代品;然而，对这些物种的研究很少。本研究的目的是评估S. spectabilis果粉对体内和体外消化率，血液代谢产物的影响，和发羔羊的瘤胃动力学。这项研究是在哥伦比亚托利马大学Las Brisas农场进行的。使用体重为20.3±2.5kg的12只雄性毛羔。动物以实验性4x4拉丁方设计分布。这些处理包括基于Dichanthium spp干草的饮食，其中含有不同的S. spectabilis果脯水平（15，30％和45％）。观察到干物质，有机物和粗蛋白的体内和体外消化率的线性增加效应（P 0.05）;同样，随着S. spectabilis补充水平的增加，血浆尿素和瘤胃降解率增加。 S. spectabilis的膳食改善了消化率，蛋白质摄入量，和发羔羊的瘤胃动力学;因此，它被认为是在干燥热带地区饲养的反刍动物的有前景的替代品。
BONILLA-TRUJILLO, Danilo; PARDO-GUZMAN, Jairo ;rés ; CASTANEDA-SERRANO, Román David.. Senna spectabilis FRUIT ON HAIR LAMBS FEEDING: DIGESTIBILITY, BLOOD METABOLITES, AND RUMINAL KINETIC.[J]. Ciência Animal Brasileira, 2018,19(19)