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The influence of zeolite on the quality of fresh beet pulp silages

Author(s): Koljajić Viliman | Đorđević Nenad 1 | Grubić Goran | Adamović Milan

Journal: Journal of Agricultural Sciences
ISSN 1450-8109

Volume: 48;
Issue: 1;
Start page: 77;
Date: 2003;
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Keywords: raw beet pulp | silage | natural zeolite

The influence of different doses of natural zeolite addition on chemical composition and quality of beet pulp silages was investigated. Beet pulp was ensiled in the sugar factory in Požarevac immediately after they were obtained, or after 9 or 17 days. The two-factorial trial was conducted where the first factor (A) was the time of ensiling expressed in days after the pulp was obtained (a1= O; a2 = 9; a3 = 17), while the second factor (B) was the amount of zeolite added (b1= 0; b2 = 0.05; b3 = 0.25 and b4 = 1.25% in dry matter or 0; 50; 250 and 1250 g zeolite per 100 kg of raw beet pulp). Sample collection for standard chemical composition and quality estimation was taken 60 days after the beginning of the ensiling. The results from the literature show that adding technologically processed natural zeolite (Min-a-Zel, produced by ITNMS, Belgrade) while ensiling beet pulp has significant influence on the increase of lactic acid production, decrease in bonded acetic acid content and lower pH value. The influence of explained doses of zeolite on standard chemical composition is smaller and mostly of relative value. The only real changes in chemical composition are the increase in dry matter and mineral content. In the ensiling of the beet pulp stored in the longer period of time, the more intensive fermentation processes were achieved and the production of organic acids was larger which has better conserving effects on silage.
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