We found a match
Your institution may have access to this item. Find your institution then sign in to continue.
- Title
田间晾晒时间对饲用油菜发酵品质的影响.
- Authors
杨寒珺; 黄星宇; 王旭哲; 张凤华; 鲁为华; 张凡凡
- Abstract
【Objective】 This study aims to control the moisture content of Brassica napus by drying in the field, so as to clarify the influence of moisture content on the nutritional quality, fermentation quality and aerobic stability of the silage, in the hope of providing a theoretical basis for the actual utilization of silage of the feed.【Methods】 The canned silage method was adopted, and 6 drying time treatments were designed, namely drying 0 h (Treatment A1), 12 h (Treatment A2), 24 h (Treatment A3), 36 h (Treatment A4), 48 h (Treatment A5), 60 h (Treatment A6), the drying raw materials were directly silaged, and the silage time was opened after 60 d, sensory evaluation was carried out, and the nutritional quality, fermentation quality and aerobic stability were analyzed.【Results】 With the prolongation of the drying time, the dry matter content (DM) and ammonium nitrogen content (NH3-N) of Brassica napus increased significantly (P<0.05), the pH value, lactate content (LA), and acetic acid content (AA) all increased, and the difference was not significant (P>0.05), crude protein content (CP), crude fat content (EE), neutral washing fiber content (NDF), acid washing fiber content (ADF), and soluble carbohydrate content (WSC) decreased. Compared with the quality of silage after 60 days of fermentation of Brassica napus for different drying times, the protein content (CP) and soluble carbohydrate content (WSC) were the highest (11.04% and 12.39%, respectively), the acid washing fiber content (ADF) was the lowest (16.80%), the pH value was significantly lower than those of other treatments (P<0.05). The lactate content (LA) and the acetic acid content (AA) was significantly higher than those of the other treatments (P<0.05), and the propionic acid content (PA) was the lowest (0.04%).【Conclusion】 Through comprehensive evaluation, the nutritional quality, fermentation quality and aerobic stability of Brassica napus silage dried for 12 h after fermentation are the best, showing that the drying time in the field is about 12 h when harvesting Brassica napus after wheat in southern Xinjiang, and the comprehensive value is the best.
- Publication
Xinjiang Agricultural Sciences, 2023, Vol 60, Issue 6, p1433
- ISSN
1001-4330
- Publication type
Article
- DOI
10.6048/j.issn.1001-4330.2023.06.016