Effect of a Complex Mineral-Vitamin Supplement on Milk Production

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Abstract
Four experiments were conducted with high-producing Holstein cowsto measure the influence of a complex mineral-vitamin supplement on milk production. In the different experiments, widely varying types and qualities of forages were fed. Different hay to grain ratios were tested and various ingredients were used in the grain mixtures. The mineral-vitamin mixture had no measurable influence on milk or fat production, body weight gain, general appearance, health, or efficiency of milk production.

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