Effects of Additives on the Quality and Vitamin Content of Mixed Alfalfa and Gaodan grass Silage

doi:10.11733/j.issn.1007-0435.2024.05.034

Acta Agrestia Sinica ›› 2024, Vol. 32 ›› Issue (5): 1642-1649.DOI: 10.11733/j.issn.1007-0435.2024.05.034

Effects of Additives on the Quality and Vitamin Content of Mixed Alfalfa and Gaodan grass Silage

HU Meng-jie¹, XIAO Yan-zi¹, JIANG Chao¹, LUO Jun-jie¹, LU Na¹, Na Qin², LANG Yu¹, ZHANG Jian¹, LIU Jian-min¹, HE Li-chao¹, TANG Jia-xin¹

1. Hulunbuir College Grass Industry Collaborative Innovation Research Centre, Hulunbuir, Inner Mongolia 021000, China;
2. Inner Mongolia Autonomous region Agriculture and Animal Husbandry Technology Popularization Center, Hohhot, Inner Mongolia 010000, China

Received:2023-09-21 Revised:2024-01-11 Published:2024-06-01

添加剂对紫花苜蓿和高丹草混合青贮品质及维生素含量的影响

胡梦洁¹, 肖燕子¹, 姜超¹, 罗俊杰¹, 卢娜¹, 纳钦², 郎宇¹, 张健¹, 刘建民¹, 何立超¹, 唐佳新¹

1. 呼伦贝尔学院草产业协同创新研究中心, 内蒙古呼伦贝尔 021000;
2. 内蒙古自治区农牧业技术推广中心, 内蒙古呼和浩特 010000

通讯作者: 肖燕子，E-mail:xiaoyz1113@126.com
作者简介:胡梦洁(2001-)，女，汉族，河南开封人，本科生，主要从事草学研究，E-mail：2327095800@qq.com
基金资助:
内蒙古自治区科技创新引导奖励资金项目，呼伦贝尔地区农作物秸秆青贮饲料发酵技术研究与示范(2022CXYD006)；内蒙古东部区油菜秸秆发酵及饲喂利用技术研究与应用(NC2023022)资助

Abstract

Abstract: To explore the effects of different additives on mixed silage quality of alfalfa (Medicago sativa L.) Sorghum biclor×sorghum sudanens (Gaodan grass),we used alfalfa and Gaodan grass mixture with a 6∶4 ratio as raw materials,without additive (CK),adding 1×10⁶ cfu ·g^-1 FM Lactobacillus plantarum (A),Enterococcus faecalis (B),Lactobacillus plantarum+Enterococcus faecalis (A+B). The mixed silage quality of each treatment group was tested after 60 days of silaging. The results showed that in compared with the control group,the stem and leaf structure of treatment group B was well preserved,soft and loose,the contents of LA,CP and WSC were increased significantly,while the pH value was decreased significantly,the content of AN/TN was less than 3% and the contents of vitamins (V_E,V_K1,V_C,B vitamins) reached to the suitable range. Therefore,the comprehensive evaluation of nutritional quality,fermentation quality and vitamin content of comprehensive feed showed that the comprehensive effects of mixed silage with Lactobacillus plantarum 1×10⁶cfu · g^-1 FM was the best,sensory evaluation (20),V-Score score (97.38),and the first grey correlation degree.

Key words: Alfalfa, Gaodan grass, Additive, Silage quality, Vitamin

摘要： 为探究不同添加剂对紫花苜蓿(Medicago sativa L.)和高丹草(Sorghum biclor×sorghum sudanens)混贮品质的影响，本试验以6∶4混贮比例的紫花苜蓿+高丹草为原料，分别进行无添加剂(CK)、添加1×10⁶ cfu·g^-1 FM植物乳杆菌(A)、粪肠球菌(B)、植物乳杆菌+粪肠球菌(A+B)4个处理。青贮60 d后对各处理组的混贮品质进行检测。结果表明：与对照组相比，B处理组茎叶结构保存良好，松软疏松，LA(6.12)、CP(19.63)、WSC(3.97)含量显著提高(P<0.05)，pH值(4.14)显著降低(P<0.05)，AN/TN含量均<3%，维生素(V_E、V_K1、V_C、B族维生素)含量均达至适宜范围。因此，综合饲料的营养品质、发酵品质以及维生素含量进行全面的评价，表明添加1×10⁶ cfu·g^-1 FM植物乳杆菌混合青贮综合效果最佳，感官评定(20)、V-Score得分(97.38)，灰色关联度第一。

关键词: 紫花苜蓿, 高丹草, 添加剂, 青贮品质, 维生素

CLC Number:

S816.5

HU Meng-jie, XIAO Yan-zi, JIANG Chao, LUO Jun-jie, LU Na, Na Qin, LANG Yu, ZHANG Jian, LIU Jian-min, HE Li-chao, TANG Jia-xin. Effects of Additives on the Quality and Vitamin Content of Mixed Alfalfa and Gaodan grass Silage[J]. Acta Agrestia Sinica, 2024, 32(5): 1642-1649.

胡梦洁, 肖燕子, 姜超, 罗俊杰, 卢娜, 纳钦, 郎宇, 张健, 刘建民, 何立超, 唐佳新. 添加剂对紫花苜蓿和高丹草混合青贮品质及维生素含量的影响[J]. 草地学报, 2024, 32(5): 1642-1649.

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Effects of Additives on the Quality and Vitamin Content of Mixed Alfalfa and Gaodan grass Silage

添加剂对紫花苜蓿和高丹草混合青贮品质及维生素含量的影响

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