Effects of Harvest Period and Silage Time on the Quality of Leymus Chinensis Baled Silage

doi:10.11733/j.issn.1007-0435.2024.11.035

Acta Agrestia Sinica ›› 2024, Vol. 32 ›› Issue (11): 3654-3660.DOI: 10.11733/j.issn.1007-0435.2024.11.035

Effects of Harvest Period and Silage Time on the Quality of Leymus Chinensis Baled Silage

LIU Yi-chao¹, NA Ya¹, ZHANG Yu-han², WEI Xiao-bin³, ZHENG Shao-long⁴, SHENG Pan-jie¹, MA Wei-qin¹, JIA Yu-shan¹

1. College of Grassland Resources and Environment, Inner Mongolia Agricultural University, Key Laboratory of Forage Grass Cultivation Processing and Efficient Utilization, National Center of Pratacultural Technology Innovation (under preparation), Hohhot, Inner Mongolia 010000, China;
2. Forestry and Grassland Work Station of Inner Mongolia, Hohhot, Inner Mongolia 010000, China;
3. Inner Mongolia National Dairy Technology Innovation Center Co., LTD., Inner Mongolia Yihe Lyujin Agricultural Development Co., LTD., Hohhot, Inner Mongolia 010000, China;
4. Forestry and Grassland Bureau of Naiman Banner, Tongliao, Inner Mongolia 028000, China

Received:2024-07-12 Revised:2024-08-13 Published:2024-11-29

收获时期和青贮时间对羊草裹包青贮品质的影响

刘逸超¹, 那亚¹, 张育涵², 魏晓斌³, 郑少龙⁴, 盛盼杰¹, 马唯钦¹, 贾玉山¹

1. 内蒙古农业大学草原与资源环境学院/农业部饲草栽培, 加工与高效利用重点实验室/国家草业技术创新中心(筹), 内蒙古呼和浩特 010000;
2. 内蒙古自治区林业和草原工作总站, 内蒙古呼和浩特 010000;
3. 内蒙古国家乳业技术创新中心有限责任公司/内蒙古伊禾绿锦农业发展有限公司, 内蒙古呼和浩特 010000;
4. 奈曼旗林业和草原局, 内蒙古通辽 028000

通讯作者: 贾玉山,E-mail:jys_nm@sina.com
作者简介:刘逸超(1998-),男,汉族,内蒙古呼和浩特人,博士研究生,主要从事牧草饲料加工与贮藏研究,E-mail:liuyichao_nm@163.com
基金资助:
天然青干草产品加工与安全贮藏关键技术研究(2020GG0032)；羊草丰产栽培与多元化加工贮藏关键技术研究与示范(2023YFDZ0018)；内蒙古自治区文化和旅游发展研究课题(2023-WL0057)；国家牧草产业技术体系；国家草业技术创新中心资助

Abstract

Abstract: In the production of Leymus chinensis baled silage,the appropriate harvest periods and silage time are the key factors affecting the silage quality. Different harvesting periods (jointing,heading and flowering) and silage time (15,30,45,60 d) were set with 3 replicates in each group in this experiment to analyze the effects on the quality and microbial quantity of Leymus chinensis baled silage. The results showed that the silage harvested at heading stage and silaged for 45,60 days had higher contents of dry matter,crude protein,soluble carbohydrate and lactic acid,lower contents of pH and ammonia nitrogen,more lactic acid bacteria,and better quality (P<0.05). Reasonable control of silage harvest period and silage time could effectively improve the quality of baled silage,and guarantee the utilization rate of Leymus chinensis resources and the high quality development of the industry.

Key words: Leymus chinensis baled silage, Harvest period, Silage time, Silage quality, Microbial number

摘要： 在羊草裹包青贮的生产过程中，适宜的收获时期和青贮时间是影响青贮效果的关键。本试验设置不同收获时期(拔节期，抽穗期，开花期)和青贮时间(15，30，45，60 d)，分析其对羊草裹包青贮品质和微生物数量的影响，每组设置3个重复。结果表明，在抽穗期收获，并青贮45，60 d的羊草裹包青贮，其干物质，粗蛋白质，可溶性碳水化合物和乳酸含量较高，pH值和氨态氮含量较低，乳酸菌数量较多，青贮效果较好(P<0.05)。合理调控青贮收获时期和青贮时间，能有效提高羊草裹包青贮饲料的品质，保障羊草资源的利用率和产业的高质量发展。

关键词: 羊草裹包青贮, 收获时期, 青贮时间, 青贮品质, 微生物数量

CLC Number:

S816.53

LIU Yi-chao, NA Ya, ZHANG Yu-han, WEI Xiao-bin, ZHENG Shao-long, SHENG Pan-jie, MA Wei-qin, JIA Yu-shan. Effects of Harvest Period and Silage Time on the Quality of Leymus Chinensis Baled Silage[J]. Acta Agrestia Sinica, 2024, 32(11): 3654-3660.

刘逸超, 那亚, 张育涵, 魏晓斌, 郑少龙, 盛盼杰, 马唯钦, 贾玉山. 收获时期和青贮时间对羊草裹包青贮品质的影响[J]. 草地学报, 2024, 32(11): 3654-3660.

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Effects of Harvest Period and Silage Time on the Quality of Leymus Chinensis Baled Silage

收获时期和青贮时间对羊草裹包青贮品质的影响

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