Effect of Ensiling on Nutritional Properties of Sericea Lespedeza Alone or in Mixtures with Alfalfa
作者机构：College of AgriculturalFamily Sciencesand TechnologyFort Valley State UniversityFort ValleyGA 31030USA Division of Plant SciencesUniversity of MissouriColumbiaMO 65211USA
出 版 物：《Journal of Agricultural Science and Technology(A)》 (农业科学与技术（A）)
年 卷 期：2019年第9卷第5期
页 面：310-322页
学科分类：090503[农学-草业科学] 0909[农学-草学] 0905[农学-畜牧学] 09[农学]
主 题：Alfalfa condensed tannins ensiling sericea lespedeza
摘 要：In this investigation,fresh sericea lespedeza(SL;Lespedeza cuneata)and alfalfa(Medicago sativa)were cut in the field,frozen,chopped and mixed into ratios of 100:0,75:25,50:50,25:75 and 0:100,respectively,with each treatment combination packed into 12 mini-silos and sealed to be *** mini-silos per treatment were opened after 1,7,21 and 84 d of ensiling and analyzed for pH,neutral detergent fiber(NDF),acid detergent fiber(ADF),and acid detergent lignin(ADL),unbound and bound condensed tannins(CT),nitrogen(N),nitrate N(NO3-N),and ammonia N(NH4+N)*** of the forage combinations ensiled well,with a rapid drop in pH(below 5.0 by Day 7).Fiber concentrations(NDF,ADF,ADL)were greater in 75% and 100% SL silages than in 0%,25% and 50% SL samples by Day 84 of the study,possibly due to interference of CT in the detergent analysis *** of N,NO3-N and NH4+N were decreased in silages as percentage SL in the mixture increased,while unbound,bound and total CT increased as percentage SL *** this study,there was reduced proteolysis during ensiling of combinations of SL and alfalfa,as indicated by reduced NO3-N and NH4+N production as percentage SL in the silage mixtures increased.
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