Effects of Mixing Ratio of Artemisia desterorum Spreng and Corn Straw and Lactic Acid Bacteria on Quality of Mixed Silage

XUE Yanlin; SUN Qizhong; ZHAO Heping; YU Zhu; YIN Guomei; BAI Chunsheng; SUN Juanjuan

doi:10.3969/j.issn.1006-267x.2014.05.023

2014 , Vol. 26 >Issue 5: 1310 - 1319

DOI: https://doi.org/10.3969/j.issn.1006-267x.2014.05.023

Feed Resources Development

Effects of Mixing Ratio of Artemisia desterorum Spreng and Corn Straw and Lactic Acid Bacteria on Quality of Mixed Silage

XUE Yanlin ,
SUN Qizhong ,
ZHAO Heping ,
YU Zhu ,
YIN Guomei ,
BAI Chunsheng ,
SUN Juanjuan

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1. Institute of Grassland Research, Chinese Academy of Agricultural Sciences, Hohhot 010010, China;
2. Institute of Grassland Science, Inner Mongolia Academy of Agriculture and Animal Science, Hohhot 010031, China;
3. College of Animal Science and Technology, China Agricultural University, Beijing 100094, China;
4. Shenyang Agricultural University, Shenyang 110161, China

Received date: 2013-11-07

Online published: 2014-05-05

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Abstract

In order to study the effects of the mixing ratio of Artemisia desterorum Spreng and corn straw, and the adding lactic acid bacteria on the quality of the mixed silages, this experiment was set 5 mixing ratios of Artemisia desterorum Spreng and corn straw (100% Artemisia desterorum Spreng, 75% Artemisia desterorum Spreng+25% corn straw, 50% Artemisia desterorum Spreng+50% corn straw, 25% Artemisia desterorum Spreng+75% corn straw and 100% corn straw, fresh weight), and each mixed silages supplied with 0, 1, 3 and 5 g/t lactic acid bacteria (fresh weight). There were 20 treatments. The silages were packaged by vacuum packager in polyethylene bags, stored at room temperature for 60 days, and then to open the bags and analyze. The results showed as follows: compared with Artemisia desterorum Spreng silage only, Artemisia desterorum Spreng mixing with corn straw made the pH significantly reduced (P<0.05), and the contents of lactic acid and crude protein and the in vitro digestibility of dry matter, neutral detergent fiber and acid detergent fiber were significantly increasedin the silages (P<0.05). The addition of lactic acid bacteria could significantly reduce the pH of the silages with 100% and 75% Artemisia desterorum Spreng (P<0.05), and did not affect the contents of organic acids, the ammonia nitrogen/total nitrogen, nutrition composition and in vitro digestibility (P>0.05). There was significant interaction between corn straw and lactic acid bacterial in pH, ammonia nitrogen/total nitrogen, crude protein content, crude fat content and in vitro digestibility of acid detergent fiber in the silages (P<0.05). In summary, the palatability and the feed value of Artemisia desterorum Spreng are improved by ensiling. The fermentation quality, nutrition value and in vitro digestibility are improved in silages with corn straw. The lactic acid bacterial can improve the pH and lactic acid content in the silages with 100% and 75% Artemisia desterorum Spreng.

Key words： Artemisia desterorum Spreng; corn straw; lactic acid bacteria; silage; fermentation quality

Cite this article

XUE Yanlin , SUN Qizhong , ZHAO Heping , YU Zhu , YIN Guomei , BAI Chunsheng , SUN Juanjuan . Effects of Mixing Ratio of Artemisia desterorum Spreng and Corn Straw and Lactic Acid Bacteria on Quality of Mixed Silage[J]. Chinese Journal of Animal Nutrition, 2014 , 26(5) : 1310 -1319 . DOI: 10.3969/j.issn.1006-267x.2014.05.023

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