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Appl. Sci. 2017, 7(6), 545; doi:10.3390/app7060545

Effects of Three Different Additives and Two Different Bulk Densities on Maize Silage Characteristics, Temperature Profiles, CO2 and O2–Dynamics in Small Scale Silos during Aerobic Exposure

1
Institute of Agricultural Engineering, Bonn University, Bonn 53115, Germany
2
College of Information and Electrical Engineering, China Agricultural University, Beijing 100083, China
*
Author to whom correspondence should be addressed.
Academic Editor: Samuel B. Adeloju
Received: 3 April 2017 / Revised: 16 May 2017 / Accepted: 16 May 2017 / Published: 25 May 2017
(This article belongs to the Section Chemistry)
View Full-Text   |   Download PDF [2898 KB, uploaded 25 May 2017]   |  

Abstract

Silage quality and aerobic stability are sometimes insufficient. If management requirements are not met, or to improve silage quality, additives are often used. The objective of this study is to investigate the effects of different factors on silage during aerobic conditions. Whole-crop forage maize was harvested and 24 buckets (65 L) were filled and assigned to one of four treatment groups: (1) control (no treatment); (2) chemical additive (sodium benzoate, potassium sorbate, sodium acetate); (3) a mixed biological inoculant containing Lactobacillus buchneri, L. plantarum, and Pediococcus acidilacti; and (4) a mixed biological inoculant containing L. buchneri, L. plantarum, and L. rhamnosus. An untreated variation was also ensiled. Two different densities were adjusted during ensiling. After opening, the temperature was measured for seven days and O2 and CO2 concentrations were analysed. The findings show that the chemical additive very effectively prevented silage from reheating and deteriorating. Aerobic reheating of silage was also successfully inhibited through biological additives and high density. View Full-Text
Keywords: inoculation; additives; silage quality; aerobic stability; reheating; microbial respiration inoculation; additives; silage quality; aerobic stability; reheating; microbial respiration
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Jungbluth, K.H.; Trimborn, M.; Maack, G.-C.; Büscher, W.; Li, M.; Cheng, H.; Cheng, Q.; Sun, Y. Effects of Three Different Additives and Two Different Bulk Densities on Maize Silage Characteristics, Temperature Profiles, CO2 and O2–Dynamics in Small Scale Silos during Aerobic Exposure. Appl. Sci. 2017, 7, 545.

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