Abstract
The major crops for silage in Israel are whole-crop wheat and corn. Silage quality must be excellent for the high lactating cows. The climate in Israel is subtropical with warm temperatures most of the year. The high temperature (>40°C) within bunker silos, which results from the ensiling fermentation, persists for many months. Under warm conditions the silages are more susceptible to aerobic deterioration.
Bacterial inoculants can be used in order to enhance the ensiling fermentation. Most previous inoculants included homo- fermentative lactic acid bacteria because they are fast and efficient producers of lactic acid and resulted in fast decrease in pH. However, such strains impaired the aerobic stability of whole-crop wheat, corn and sorghum silages. This was attributed to the lack of enough volatile fatty acids which inhibited fungi, in silages dominated by homo-lactic fermentation. Therefore, new types of inoculants are being tested. Lactobacillus buchneri is a hetero-fermentative lactic acid bacteria, which produces high levels of acetic acid during fermentation. Tests with this microorganism gave promising results: silages treated with L. buchneri remained stable, while those treated with L. plantarum deteriorated upon aerobic exposure.
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Weinberg, Z.G. (2003). Inoculants for Silage in Subtropical Climate. In: Roussos, S., Soccol, C.R., Pandey, A., Augur, C. (eds) New Horizons in Biotechnology. Springer, Dordrecht. https://doi.org/10.1007/978-94-017-0203-4_36
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DOI: https://doi.org/10.1007/978-94-017-0203-4_36
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