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The Feeding Value of Artificially Dried Pasture Herbage for Milk Production

Washington Agricultural Experiment Station, Pullman

ABSTRACT

Two feeding trials were conducted in which artificially dried pasture herbage served as part or all of the concentrate mixture fed to dairy cows.

In the first experiment a concentrate mixture containing 20 per cent of artificially dried pasture grass was compared with a basal ration of similar composition.

The differences in production and gain in live weight of cows receiving the experimental ration as compared with the basal ration were too small to be significant. A slightly greater gain in live weight and production occurred when cows were receiving the basal ration. The feed consumption, per unit of production was less for the cows on the experimental ration.

In the second experiment a ration consisting of alfalfa hay and artificially dried pasture grass was compared with a ration of alfalfa hay.

There was a greater consumption of the total digestible nutrients when cows were receiving the alfalfa hay and dried pasture grass ration. The larger consumption of digestible nutrients was accompanied by a greater gain in live weight and an increase in the production of milk and butterfat. The nutrients required per unit of production was approximately the same for both rations.

The results of these experiments indicate that artificially dried pasture herbage may be efficiently used for at least a part of the concentrate mixture of lactating cows.

¹ Assistant Dairyman, Washington Agricultural Experiment Station.

² Agent, Bureau of Dairy Industry, U. S. D. A., and assistant in Dairy Husbandry, Washington Agricultural Experiment Station.

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