Publication Date

1989

Description

The conservation of grass as silage rather than hay has become increasingly popular in Northern Europe. The increase in silage making has been associated with the increased intensi­fication of animal production and improvements in our knowl­edge of the fermentation process. Despite the ability to produce grass silages with consistently high metabolisable energy (ME) and crude protein (CP) contents it has been calculated that on UK dairy farms silage barely meets the maintenance require­ment of the cow (Phipps, 1986). The objective of the work reported here is to devise methods to increase the contribution of silage in the diet of the cow. In the first series of experiments silages were fed as a sole feed to dairy cows, and in the second series the use of strategic supplements to overcome nutritional limitations in silage was examined.

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Increasing the Contribution of Grass Silage for Milk Production

The conservation of grass as silage rather than hay has become increasingly popular in Northern Europe. The increase in silage making has been associated with the increased intensi­fication of animal production and improvements in our knowl­edge of the fermentation process. Despite the ability to produce grass silages with consistently high metabolisable energy (ME) and crude protein (CP) contents it has been calculated that on UK dairy farms silage barely meets the maintenance require­ment of the cow (Phipps, 1986). The objective of the work reported here is to devise methods to increase the contribution of silage in the diet of the cow. In the first series of experiments silages were fed as a sole feed to dairy cows, and in the second series the use of strategic supplements to overcome nutritional limitations in silage was examined.