Abstract

Winter hay feeding is generally the most expensive cost of maintaining a cow for the year. Because of this it is beneficial for a producer to maximize the use of their hay supply. A modeling study was completed that compared the nutrient requirements of three fall calving herds and three spring calving herds to determine differences in nutrient requirements between the herds. Hay feeding should be tailored to the operation and the calving season for the most efficient use of hay.

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