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A Forage-Milk Production Model

Agriculture Canada, Research Station Charlottetown, Prince Edward Island, Canada C1A 7M8

ABSTRACT

A five-part forage-dairy deterministic simulation model was prepared to integrate information on various production processes and, hence, to improve the basis for management advice given by extension workers.

The five parts or submodels are: growth of forage, harvesting the crop, storing it, converting forage and other feeds to milk, and, lastly, milking and feeding of cows and disposal of manure. Costs and returns are estimated.

The model structure and principal biological relationships are described in some detail. Sample outputs are shown.

The uses, limitations, and potential of the model are discussed.