Fermentation quality and nutritive value of total mixed ration silages based on desert wormwood (Artemisia desertorum Spreng.) combining with early stage corn
文献类型： 外文期刊
作者：
Yin, Guomei
1
;
Bai, Chunsheng
3
;
Sun, Juanjuan
2
;
Sun, Lin
1
;
Xue, Yanlin
1
;
Zhang, Yuanyuan
1
;
Zhao, Heping
1
;
Yu
1
;
作者机构： 1.Inner Mongolia Acad Agr & Anim Husb Sci, 22 Zhaojun Rd, Hohhot 010031, Peoples R China
2.Chinese Acad Agr Sci, Inst Grassland Res, Hohhot, Peoples R China
3.Shenyang Agr Univ, Shenyang, Peoples R China
4.China Agr Univ, Beijing, Peoples R China
关键词： desert wormwood;early stage corn;fermentation quality;nutritional components;total mixed ration silage
期刊名称：ANIMAL SCIENCE JOURNAL （ 影响因子：1.749； 五年影响因子：1.909 ）
ISSN： 1344-3941
年卷期： 2017 年 88 卷 12 期
页码：
收录情况： SCI
摘要： This study aimed to investigate the fermentation quality and nutritive value of total mixed ration (TMR) silages based on desert wormwood (DW) combined with early stage corn (ESC) as forage and determine an optimum formula. Desert wormwood and ESC were harvested, chopped, and mixed with other ingredients according to a formula, packed into laboratory silos at densities of 500-550g/L, and stored in the dark for 60days. The DW proportions in the forage of TMR were 1, 0.75, 0.50, 0.25 and 0, based on fresh weight. As the proportion of DW decreased, the pH also decreased (P<0.05), while lactic acid, lactic acid/acetic acid, crude protein, starch, and the invitro digestibility of dry matter and neutral detergent fiber increased (P<0.05). Ammonia nitrogen/total nitrogen in the TMR silages with DW proportions of 0.75, 0.25 and 0 in the forage was more than 10%. These results indicated that the quality of the TMR silage containing DW alone as forage was poor, TMR silages containing DW proportions of 0.75 and 0.25, and ESC alone, in the forage were not well preserved. The optimum TMR silage formula contained a DW proportion of 0.5 in the forage.
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