Effects of Mixed Silage of Sugarcane Top or Sugarcane and Mulberry Leaf on Its Silage Quality

ZHOU Xiaokang; ZHANG Jie; ZHANG Nanji; GU Qichao; ZHENG Yimin; MA Yanqun; ZOU Caixia

doi:10.3969/j.issn.1006-267x.2022.01.047

Chinese Journal of Animal Nutrition >

2022 , Vol. 34 >Issue 1: 500 - 515

DOI: https://doi.org/10.3969/j.issn.1006-267x.2022.01.047

RESEARCH PAPER

Effects of Mixed Silage of Sugarcane Top or Sugarcane and Mulberry Leaf on Its Silage Quality

ZHOU Xiaokang ,
ZHANG Jie ,
ZHANG Nanji ,
GU Qichao ,
ZHENG Yimin ,
MA Yanqun ,
ZOU Caixia

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College of Animal Science and Technology, Guangxi University, Nanning 530003, China

Received date: 2021-05-06

Online published: 2022-01-18

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Abstract

This experiment was conducted to investigate the effects of mixed silage of sugarcane or sugarcane top and mulberry leaf on the quality of silage through mixed silage, and provide scientific basis and technology for improving the utilization of unconventional feed resources in Guangxi and the practical application of mixed silage support. Experiment 1:mixed silage of sugarcane top and mulberry leaf; experiment 2:mixed silage of sugarcane and mulberry leaves. The mixing ratios of the two raw materials were 100:0, 75:25, 50:50, 25:75 and 0:100, respectively. The results of experiment 1 showed as follows:1) compared with the sugarcane top silage alone, sugarcane top mixed silage with mulberry leaf significantly increased the contents of crude protein, lactic acid, acetic acid and propionic acid of the mixed silage (P<0.05). 2) Compared with the mulberry leaf silage alone, mulberry leaf mixed silage with sugarcane top had a weaker effect on the pH and ammonia nitrogen content of the mixed silage (P>0.05), but it could reduce the pH and the growth rate of yeast after aerobic exposure. Therefore, the mixed silage of mulberry leaf and sugarcane top tended to improve the aerobic stability of the mixed silage. The results of experiment 1 showed as follows:1) compared with the sugarcane silage alone, sugarcane mixed silage with mulberry leaf significantly increased the contents of dry matter, crude protein, acetic acid and propionic acid of the mixed silage (P<0.05), and significantly reduced ethanol content and silage loss (P<0.05). 2) Compared with the mulberry leaf silage alone, mulberry leaf mixed silage with sugarcane significantly increased the contents of lactic acid and acetic acid of mixed silage, and significantly reduced the pH, the contents of ammonia nitrogen and butyric acid and the count of enteric bacilli (P<0.05), which improved the silage quality of mixed silage; when 25% mulberry leaf and 75% sugarcane were mixed silage, it could inhibit the ammonia nitrogen production of the mixed silage after aerobic exposure, and could also promote the production of acetic acid, and it had the best silage quality. In summary, when mixed silage with mulberry leaf, the proportion of sugarcane not less than 25% can improve the silage quality of the mixed silage; while the mixed silage of sugarcane top and mulberry leaf tends to improve the aerobic stability of the mixed silage.

Key words： mixed silage; mulberry leaf; sugarcane top; sugarcane; silage quality

Cite this article

ZHOU Xiaokang , ZHANG Jie , ZHANG Nanji , GU Qichao , ZHENG Yimin , MA Yanqun , ZOU Caixia . Effects of Mixed Silage of Sugarcane Top or Sugarcane and Mulberry Leaf on Its Silage Quality[J]. Chinese Journal of Animal Nutrition, 2022 , 34(1) : 500 -515 . DOI: 10.3969/j.issn.1006-267x.2022.01.047

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