Effects of Mixed Ensiling of Rice with Sorghum‑Sudangrass Hybrid on Forage Nutritional Quality and Microbial Community

doi:10.15933/j.cnki.1004-3268.2024.09.014

Journal of Henan Agricultural Sciences ›› 2024, Vol. 53 ›› Issue (9): 132-140.DOI: 10.15933/j.cnki.1004-3268.2024.09.014

• Animal Husbandry and Veterinary Medicine • Previous Articles Next Articles

Effects of Mixed Ensiling of Rice with Sorghum‑Sudangrass Hybrid on Forage Nutritional Quality and Microbial Community

LI Lingzi¹，JI Changli²，LIU Ye²，FU Mingfang²，LI Zongrun²，TONG Jundan²，CHEN Qiuyuan²，ZHANG Jing²，ZHAO Yafan²，WANG Daoli³，PENG Ting²

（1. Henan Science and Technology Education Center of Agriculture and Rural，Zhengzhou 450008，China；2.Henan Food Crops Collaborative Innovation Center/Henan Center of Crop Genomics and Rice Engineering/Henan Key Laboratory of Rice Biology/College of Agricultre，Henan Agricultural University，Zhengzhou 450046，China；3.Jiaozuo Rural Social Undertakings Development Service Center，Jiaozuo 454000，China）

Received:2024-02-22 Published:2024-09-15 Online:2024-11-04

水稻复配高丹草青贮对饲草品质和微生物群落的影响

李玲子¹，计长莉²，刘晔²，付明芳²，李宗润²，仝俊丹²，陈秋圆²，张静²，赵亚帆²，王道丽³，彭廷²

（1.河南省农业农村科技教育中心，河南郑州 450008；2.河南粮食作物协同创新中心/河南省作物基因组与水稻工程研究中心/河南省水稻生物学重点实验室/河南农业大学农学院，河南郑州 450046；3.焦作市农村社会事业发展服务中心，河南焦作 454000）

通讯作者: 彭廷（1985-），男，河南桐柏人，教授，博士，主要从事水稻分子生理研究。E-mail：lypengting@163.com 王道丽（1976-），女，河南潢川人，高级农艺师，主要从事农业技术推广工作。E-mail：1925190553@qq.com
作者简介:李玲子（1988-），女，河南光山人，硕士，主要从事农业技术推广工作。E-mail：544929895@qq.com
基金资助:
国家重点研发计划项目（2023YFD2302600）；河南省优秀青年科学基金项目（222300420049）；中原青年拔尖人才支持计划
项目（ZYYCYU202012170）

Abstract

Abstract: To investigate the effects of co‑ensiling with rice and sorghum‑sudangrass hybrid on silage nutritional quality,feeding value,and microbial community,three treatments were established:100% rice silage(R),100% sorghum‑sudangrass hybrid silage(SS),and 50% rice mixed with 50% sorghum‑sudangrass hybrid silage(R+SS).After 60 days of ensiling,the nutrient content,feeding value and bacterial community of the silages were analyzed.The results indicated that compared to R treatment，the R+SS treatment significantly reduced the contents of neutral detergent fiber(NDF）and acid detergent fiber(ADF)by 3.10 and 5.35 percentage points,respectively,while increased total digestible nutrients(TDN),net energy for lactation(NEL),digestible dry matter(DDM),and relative feeding value(RFV) by4.23 percentage points,0.44%,4.10 percentage points and 12.46%,respectively.The analysis results of microbial taxonomy composition and diversity revealed that the R+SS treatment significantly reduced the alpha diversity and increased the relative abundance of Lactobacillus.Redundancy analysis indicated that NDF,CP,and NEL were the primary environmental quality indicators influencing the microbial community composition of mixed rice and sorghum‑sudangrass hybrid silage.In conclusion,co‑ensiling with rice and sorghum‑sudangrass hybrid can enhance the abundance of fermentation‑related lactic acid bacteria,thereby effectively improving the nutritional quality and feeding value of rice silage.

Key words: Rice, Sorghum?sudangrass hybrid, Mixed silage, Forage quality, Feeding value, Microbial
community

摘要： 为探究水稻与高丹草复配青贮条件下对饲草营养品质、饲喂价值及微生物群落的影响，共设置100%水稻单独青贮处理（R）、100%高丹草单独青贮处理（SS）、50%水稻和50%高丹草混合青贮处理（R+SS）3个处理，于青贮60 d后，对各处理青贮饲料养分含量、饲喂价值和微生物群落进行分析。结果表明，水稻复配高丹草青贮（R+SS）与水稻处理（R）相比，中性洗涤纤维（NDF）、酸性洗涤纤维（ADF）含量分别显著降低3.10、5.35百分点，总可消化养分（TDN）、泌乳净能（NEL）、可消化干物质（DDM）和相对饲喂价值（RFV）分别提高了4.23百分点、0.44%、4.10百分点、12.46%。微生物物种组成及多样性分析结果表明，R+SS处理显著降低了饲草微生物的Alpha多样性，增加了乳杆菌属（Lactobacillus）相对丰度。冗余分析结果表明，NDF、粗蛋白（CP）含量及NEL是影响水稻和高丹草混合青贮饲草微生物群落物种组成的主要环境因子。综上，水稻复配高丹草混合青贮可以提高饲草中发酵相关乳酸菌丰度，从而有效改善水稻青贮饲草营养品质，提高饲喂价值。

关键词: 水稻, 高丹草, 混合青贮, 饲草品质, 饲喂价值, 微生物群落

CLC Number:

S511

LI Lingzi, JI Changli, LIU Ye, FU Mingfang, LI Zongrun, TONG Jundan, CHEN Qiuyuan, ZHANG Jing, ZHAO Yafan, WANG Daoli, PENG Ting. Effects of Mixed Ensiling of Rice with Sorghum‑Sudangrass Hybrid on Forage Nutritional Quality and Microbial Community[J]. Journal of Henan Agricultural Sciences, 2024, 53(9): 132-140.

李玲子, 计长莉, 刘晔, 付明芳, 李宗润, 仝俊丹, 陈秋圆, 张静, 赵亚帆, 王道丽, 彭廷. 水稻复配高丹草青贮对饲草品质和微生物群落的影响[J]. 河南农业科学, 2024, 53(9): 132-140.

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Effects of Mixed Ensiling of Rice with Sorghum‑Sudangrass Hybrid on Forage Nutritional Quality and Microbial Community

水稻复配高丹草青贮对饲草品质和微生物群落的影响

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