Production Cycle Nutrition and Nutrient Requirements of Cows, Pregnant Heifers and Bulls
John B. Hall, Extension Animal Scientist, Virginia Tech
William W. Seay, Extension Agent, Animal Science, Virginia Tech
Scott M. Baker, Extension Agent, Animal Science, Virginia Tech

Developing diets and feeding strategies for the cowherd is facilitated by a basic understanding of the production cycle of the cow and her changing nutrient requirements. By knowing and anticipating the changing nutritional needs of the cow, producers can plan their feeding programs and lower feed costs. Cows use the nutrients provided to them for bodily processes in the following order: 1) maintenance – keep alive and moving, 2) lactation – providing milk for the calf, 3) growth – including weight gain, and 4) reproduction…

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