不同品种田菁与青贮玉米混贮的养分及发酵品质

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中图分类号：S816.53 文献标识码：A 文章编号：1007-0435（2025）08-2713-08

Abstract：In order to guide the planting and utilization of forage in southern Xinjiang，the mixed storage and fer mentation characteristics of yelow bush pea（Sesbania canmabina）and local silage corn（Zea mays L.）were explored，and the mixed storage nutrients were evaluated. Two varieties of yelow bush pea（Tianjing 2 and ‘ Tianjing ） and two silage maize cultivars （‘Xinyu 80∙ and‘Xinyu 104⋅ ）were stored 1： 1（S2Z80， S2Z104，S3Z80 and S3Z1O4） to determine the sensory indexes，nutrients，fermentation quality and number of colonies on the 7th，15th，3Oth and 6Oth days of fermentation.The results showed that the pH，dry matter （DM），crude protein （CP），water soluble carbohydrate （WSC），ammonia nitrogen/total nitrogen （AN/TN） and yeast decreased with fermentation time，while lactic acid（LA），acetic acid（AA），the contents of Ether extract（EE）and lactic acid bacteria increased with fermentation time.Onthe 6Othday，thecontents of neutral detergent fiber（NDF），acid detergent fiber（ADF） and propionic acid（PA） in S2Z1O4 were significantly lower than those in other treatments （ ⋅P<0.05 ），with the lowest ammonia nitrogen/total nitrogen and the highest lactic acid content.Through the fermentation qualityassessment，the highest score of S2Z1O4 is 98.In summary，the mixing effect of‘Tianjing 2∘ and‘Xinyu 104′ in the ratio of1：1 was the best.

Key Words：Sesbania cannabina;Whole plant silage corn;Mixed storage;Nutritionalquality;Fermentation quality

田菁（Sesbaniacannabina）是一年生草本豆科植物，具有发达的根系，其茎叶营养成分丰富，含有丰富的氮、磷、钾和微量元素[1]，具有较高的蛋白质含量（干物质含量约 25% ）和干物质产量、纤维含量低等特点2，对盐和碱胁迫等非生物胁迫的抵抗力强，对饲喂牛、绵羊和山羊具有很高的营养价值[3]。（剩余14217字）