Impact of haylage harvest and storage technologies on forage microbial contamination
Автор: Artemyeva O.A., Duborezov V.M., Pavlyuchenkova O.V., Kotkovskaya E.N., Ralkova V.S., Peresyolkova D.A.
Журнал: Вестник аграрной науки @vestnikogau
Статья в выпуске: 4 (49), 2014 года.
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To develop bacteriological regulations for harvesting and storing haylage, microbial contamination of feeds has been studied using different technologies for harvesting haylage and laying fodder in trench and concrete ring silos, and rolls. It was noted that the analyzed forage samples had no pathogenic microorganisms and Enterobacteriaceae, including Salmonella. There was a lack of toxicity in all analyzed silage samples. The values for the number of mesophilic aerobic and elective anaerobic bacteria, and concentrations of lactic-acid bacteria, mold and yeast fungi in samples were lower than in the feedstock. Microbial contamination values were better for haylage obtained from the plants cut 25 cm above the ground level (when compared to the plants cut to 9 cm height). Rates of contamination were lower in haylage packed into film bags than into trench silos that might give reason to recommend the given harvesting technique. Permissible contaminant levels without any negative impact on haylage quality have been identified.
Haylage, harvesting technologies, trench silo, concrete ring silo, roll, forage equipment, microbiological parameters, mold, yeast-like fungi, mesophilic aerobic and elective anaerobic bacteria
Короткий адрес: https://sciup.org/147124163
IDR: 147124163
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