Co-Authors:
Weinberg, Z.G., Department of Stored Products, Feed Conservation Laboratory, Agricultural Research Organization, Bet Dagan, 50250, Israel
Pahlow, G., Institute of Grassland and Forage Research, Federal Research Center of Agriculture (FAL), Braunschweig, D-3300, Germany
Dinter, B., Institute of Grassland and Forage Research, Federal Research Center of Agriculture (FAL), Braunschweig, D-3300, Germany
Ashbell, G., Department of Stored Products, Feed Conservation Laboratory, Agricultural Research Organization, Bet Dagan, 50250, Israel
Abstract:
The purpose of this work was to study the effects of 1% urea, 0.05% sorbic acid (SA) and moderate dehydration (by oven at 35°C for 1 h) on the ensiling process of orange peels and on reducing fermentation losses. Fresh peels of the various treatments, in 10-kg triplicates, were ensiled in specially designed anaerobic containers for 35 days. Chemical and microbial analyses were performed on the peels and on seepage samples taken during the ensiling period. The dominant microbial populations of the peel silage were lactobacilli (108 g per DM) and yeasts (105 g per DM) and the major fermentation product was ethanol (16% in DM of the control silage). There were differences between the treatments, with SA being the only treatment effective in reducing DM losses to 15%, compared with > 30% for the other treatments. Chemical results indicate a more efficient fermentation process with SA. © 1988.
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