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9.6 Grass Silages Ensiled with Either Formic Acid or a Lactobacillus Preparation and their Digestion by Jersey Cattle

  • J. A. Rooke (a1), I. M. Brookes (a1) and D. G. Armstrong (a1)


The use of silage additives containing lactic acid bacteria and enzymes to promote a rapid homolactic type fermentation has met with some success in the United States but the little evidence available (see Burghardi, Goodrich and Meiske, 1980) suggests that, for grass silages, the value of this type of additive is limited. However, in laboratory silos, inoculation with lactic acid bacteria has been shown to be effective in reducing proteolysis (Carpintero, Henderson and McDonald, 1979).

The recent availability in the UK of a commercial product containing a lactic acid bacteria inoculum and the non-toxicity and ease of application of this product prompted this investigation, which describes the assessment of a silage prepared with this type of additive in comparison with a well characterized additive, formic acid.



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Burghardi, S. R., Goodrich, R. D. and Meiske, J. C. 1980. Evaluation of corn silage treated with microbial additives. J. Anim. Sci. 50: 729736.
Carpintero, C. M., Henderson, A. R. and McDonald, P. 1979. The effect of some pre-treatments on proteolysis during the ensiling of herbage. Grass and Forage Sci. 34: 311315.


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