体外产气法评定全株玉米青贮与谷草的组合效应研究.pdfVIP

2017 44 3 698707 China A nim al H usbandry Vete r inary M e d ic ine doi cnki j WCS M S WCS M S h GP H N H N V FA M CP p DM L SFA EI M FA EI h P WCS DM L M S WCS DM L WCS WCS WCS M CP P P P WCS M S h M FA EI WCS M FA EI WCS M S S A Evaluation of Associative Effect of Whole Corn Silage and Millet Straw by Gas Production Technique in vitro YANG Zhilin LI Qiufeng CAO Yufeng GAO Yanxia LI Yan LI Jian uo LI Yun i g q College of A nimal Science and Technology Hebei A g ricultural Univ ersity Baoding China Cattle Science I nstitute H ebei A g ricultural Univ ersity B aoding China College of Veterinary Medicine Hebei A g ricultural Univ ersity B aoding China Abstract T his research adopted f ermentation gas production method in v itro to evaluate the asso ciative eff ect of w hole corn silage WCS and millet straw M S T he WCS w as mix ed w ith M S in the proportion of and w ith replicates er group T he gas production H ammonia nitrogen N H N volatile f atty acids V FA mi p p crobial crude protein M CP and dry matter loss DM L f or and h of varying f orage combinations w ere analyzed Single f actor associative eff ect s index SFA EI and multiply f actors associative eff ect s index M FA EI of diff erent combinations w ere calculated T he result s show ed as f ollow s T here w ere si