Effect on intake and production of dairy cows of feeding three high-moisture silages having different fermentation characteristics

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Abstract
Three degress of consolidation and air exclusion were imposed by vacuum compression during the making of three 60 tonne stacks of silage from a common source of mixed pasture grasses. Maximum air exclusion resulted in a silage having lowest pH and butyric acid and highest lactic acid content. When the three silages were fed as sole diets to lactating dairy cows intake was about 12% lower and butterfat yield about 14% lower on the silage from which air had been most effectively removed.

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