添加糖蜜和青贮添加剂对“张杂谷”全株青贮发酵品质的影响

doi:10.16431/j.cnki.1671-7236.2017.05.018

《中国畜牧兽医》 ›› 2017, Vol. 44 ›› Issue (5): 1382-1387.doi: 10.16431/j.cnki.1671-7236.2017.05.018

添加糖蜜和青贮添加剂对“张杂谷”全株青贮发酵品质的影响

刘婷婷¹, 张振威², 岳春旺¹, 杨翠军³, 李林⁴, 孔祥浩¹, 孙茂红¹

1. 河北北方学院动物科技学院, 张家口 075131;
2. 中国农业大学动物科技学院, 动物营养国家重点实验室, 北京 100193;
3. 河北北方学院生命科学研究中心, 张家口 075000;
4. 河北省张家口市畜牧技术推广站, 张家口 075131

收稿日期:2016-11-23 出版日期:2017-05-20 发布日期:2017-05-18
通讯作者: 孙茂红 E-mail:sunmaohong0313@163.com
作者简介:刘婷婷(1990-),女,河北廊坊人,硕士生,研究方向:动物营养与饲料科学,E-mail:liutingting2600@163.com
基金资助:
河北北方学院自然科学研究项目；动物营养与饲料科学河北省重点发展学科；河北省科技厅项目

The Effects of Added Molasses and Additives on Fermentation Quality of “Zhang Hybrid Millet” Whole Plant Silage

LIU Ting-ting¹, ZHANG Zhen-wei², YUE Chun-wang¹, YANG Cui-jun³, LI lin⁴, KONG Xiang-hao¹, SUN Mao-hong¹

1. College of Animal Science, Hebei North University, Zhangjiakou 075131, China;
2. State Key Laboratory of Animal Nutrition, College of Animal Science, China Agricultural University, Beijing 100193, China;
3. Life Science Research Center, Hebei North University, Zhangjiakou 075000, China;
4. Raise Livestock Veterinarian Technology Generalize Center of Zhangjiakou, Zhangjiakou 075131, China

Received:2016-11-23 Online:2017-05-20 Published:2017-05-18

摘要/Abstract

摘要：

试验旨在研究不同水平的糖蜜和青贮添加剂（复合菌制剂，以植物乳杆菌为主）对“张杂谷”全株青贮发酵品质和营养成分的影响。以灌浆期“张杂谷”全株作为青贮原料，试验设5个处理组，即对照组（直接青贮）、Ⅰ组（1.5‰青贮添加剂）、Ⅱ组（2%糖蜜＋1.5‰青贮添加剂）、Ⅲ组（4%糖蜜＋1.5‰青贮添加剂）、Ⅳ组（6%糖蜜＋1.5‰青贮添加剂），青贮期60 d。结果显示：①试验组在感官评分上均优于对照组，试验组干物质（DM）含量均显著高于对照组（P＜0.05），粗蛋白质（CP）含量均高于对照组；②显著降低了试验组（除Ⅰ组外）青贮饲料中酸性洗涤纤维（ADF）、中性洗涤纤维（NDF）和半纤维素（HC）含量（P＜0.05），对灰分含量影响不大（P＞0.05）；③与对照组相比，试验组pH、氨态氮/总氮（AN/TN）值均显著降低（P＜0.05），乳酸显著提高（P＜0.05），Ⅰ、Ⅳ组乙酸含量均显著降低（P＜0.05），各试验组丙酸含量均显著降低（P＜0.05），在试验组和对照组中均没检出丁酸和异戊酸。综合分析认为，糖蜜和青贮添加剂能改善“张杂谷”全株青贮的发酵品质，推荐用量为4%糖蜜＋1.5‰青贮添加剂。

关键词: 张杂谷; 糖蜜; 青贮添加剂; 发酵品质; 营养成分

Abstract:

This study was aimed to evaluate the effects of adding molasses and silage additives(compound bacterium preparation,mainly Lactobacillus plantarum) on fermentation quality and nutrition ingredients of “Zhang Hybrid Millet” silage.“Zhang Hybrid Millet” whole plant of raw were collected as materials, 5 groups were designed in the study:Control group was untreated,groups Ⅰ,Ⅱ,Ⅲ and Ⅳ were added 1.5‰ additives,2% molasses+1.5‰ additives, 4% molasses+1.5‰ additives and 6% molasses+1.5‰ additives to “Zhang Hybrid Millet” whole plant silage,respectively, and the ensiling period was lasted for 60 days. The results showed that:①The sensory score was affected by molasses and silage additives,and experimental groups had better sensory score, the DM content in experimental groups were significantly higher than that in control group (P <0.05),and the CP content of experimental groups were higher.②The ADF,NDF and HC contents of experimental groups (except group Ⅰ) were significantly decreased (P <0.05),while Ash content was no significantly affected (P >0.05). ③Compared with the control group,the pH and AN/TN of the experimental group were significantly decreased (P <0.05),but the lactic acid were significantly increased (P <0.05).The acetic acid content of groups Ⅰ and Ⅳ was significantly decreased (P <0.05),the propionic acid of the experimental group was significantly decreased (P <0.05),and the butyric acid and isovaleric acid of all groups were not detected. In conclusion,adding molasses and additives to the “Zhang Hybrid Millet” whole plant silage could improve the fermentation quality,we concluded that the proper supplement dosage of molasses was 4% and silage additives was 1.5 ‰ in millet silage.

Key words: Zhang Hybrid Millet; molasses; silage additives; fermentation quality; nutrients

中图分类号:

S816.6

刘婷婷, 张振威, 岳春旺, 杨翠军, 李林, 孔祥浩, 孙茂红. 添加糖蜜和青贮添加剂对“张杂谷”全株青贮发酵品质的影响[J]. 《中国畜牧兽医》, 2017, 44(5): 1382-1387.

LIU Ting-ting, ZHANG Zhen-wei, YUE Chun-wang, YANG Cui-jun, LI lin, KONG Xiang-hao, SUN Mao-hong. The Effects of Added Molasses and Additives on Fermentation Quality of “Zhang Hybrid Millet” Whole Plant Silage[J]. , 2017, 44(5): 1382-1387.

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添加糖蜜和青贮添加剂对“张杂谷”全株青贮发酵品质的影响

The Effects of Added Molasses and Additives on Fermentation Quality of “Zhang Hybrid Millet” Whole Plant Silage

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