内蒙古农业大学学报（自然科学版）2026，Vol.47Issue(4)：9-17,9.DOI:10.16853/j.cnki.1009-3575.2026.04.002
沙柳混合发酵对柠条青贮饲料发酵品质及微生物群落结构的影响
Effect of Mixed Fermentation with Salix cheilophila on Quality and Microbial Community Structure of Caragana korshinskii Silage
摘要
Abstract
Caragana korshinskii and Salix cheilophila are excellent shrubs for windbreak and sand-fixation.Coppicing is a key mea-sure for their tending and management,while the utilization of coppiced biomass is an urgent issue to be solved.Two silage treat-ments were evaluated in this study:ensiling of C.korshinskii alone(NT)and ensiling of a 1∶1 mixture of C.korshinskii and S.chei-lophila(NTS),with three replicates per treatment.A comprehensive analysis was carried out from the aspects of appearance,nutri-tion,quality and microbial diversity.The results showed that the ensiling sample of the NT group had a fragrant,mildly acidic aro-ma,while that of the NTS group had a sour,pungent odor.Compared with the NTS group,the NT group had no significant differenc-es in crude fat(CF),acid detergent fiber(ADF),neutral detergent fiber(NDF),and ash(Ash)(P>0.05),but the contents of crude protein(CP)and ammonia nitrogen(NH3-N)were significantly increased(P<0.05),and the content of lignin was signifi-cantly decreased(P<0.05);There were no significant differences in the content of formic acid,lactic acid,acetic acid,valeric ac-id,and butyric acid(P>0.05),but the content of isobutyric acid was significantly decreased.Compared with the NT group,the mi-crobial diversity of the NTS group increased,and the community structure changed.The abundance values of Firmicutes,Basidiomy-cota,and Lactobacillus significantly decreased,while Cyanobacteria,Ascomycota,Streptococcus,Nothophoma,Knufia,and Cama-rosporidiella significantly increased.Adding S.cheilophila to C.korshinskii silage negatively affected the sensory characteristics and fermentation quality of the silage.This provides a theoretical foundation for the research of C.korshinskii ensiling feed and offers a reference and insights for improving the high-quality development of the secondary industrial chain of C.korshinskii.关键词
青贮/柠条/沙柳/营养成分/发酵品质Key words
Silage/Caragana korshinskii/Salix cheilophila/Nutrient composition/Fermentation quality分类
农业科技引用本文复制引用
万永青,刘思源,孙明宇,翟昊,西妮,李国庆,王瑞刚,田敏..沙柳混合发酵对柠条青贮饲料发酵品质及微生物群落结构的影响[J].内蒙古农业大学学报（自然科学版）,2026,47(4):9-17,9.基金项目
内蒙古自治区自然科学基金面上项目(2022MS03035) （2022MS03035）
鄂尔多斯市科技重大专项项目(2022EEDSKJZDZX017) （2022EEDSKJZDZX017）
