Abstract
Three treatments have been tested on canned artichoke byproduct after 50 days of ensilage: formic acid at 20% in doses of 2 mL. kg(-)(1) (FA), cane sugar molasses at 50 g.kg(-)(1) (M), and sodium chloride at 30 g.kg(-)(1) (SC). A fourth batch acted as a control group (C). The nutritive value, fermentation characteristics, environmental pollution effect, and total volume of effluents released have been studied. The highest nutritive value recorded was with SC silage. The use of the additives did not significantly improve the fermentation stability of the silage, but the total production of effluents in each treatment-52.7 (FA), 46.9 (M), and 55.2 (SC)-was significantly lower (P < 0.01) than that of the control group (70.1 L.Tm(-)(1)). The chemical oxygen demand (COD), 117300 mg of O(2).L(-)(1), and the conductivity, 46.4 microOmega(-)(1). cm(-)(1), were significantly higher (P < 0.01) in M and SC, respectively, than in the other group.
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