Abstract
An experiment was conducted to determine the effect of providing a small amount of a high-protein supplement during the fall and effects of increasing subsequent level of winter supplementation on cow-calf performance. One hundred-sixty spring-calving Hereford × Angus cows grazing tallgrassprairie range were used. During the fall, cows either had access to a self-fed, highprotein supplement (30% CP) or were not supplemented. During the winter, range cubes (20% CP) were fed at a daily equivalent of 1, 2, 3, or 4 lb/head and all cows had access to the same self-fed supplement used during the fall period. Cumulative performance (as measured by changes in body condition score and body weight) tended to show limited response to low-level fall supplementation, but was significantly improved as level of winter supplementation increased.
Highlights
During the period between weaning and initiation of winter supplementation, a spring-calving cow’s nutrient demands are typically at their lowest, enabling cows to recover body weight and condition before entering winter
An experiment was conducted to determine the effect of providing a small amount of a high-protein supplement during the fall and effects of increasing subsequent level of winter supplementation on cowcalf performance
Range cubes (20% CP) were fed at a daily equivalent of 1, 2, 3, or 4 lb/head and all cows had access to the same self-fed supplement used during the fall period
Summary
An experiment was conducted to determine the effect of providing a small amount of a high-protein supplement during the fall and effects of increasing subsequent level of winter supplementation on cow-calf performance. One hundred-sixty spring-calving Hereford × Angus cows grazing tallgrassprairie range were used. Cows either had access to a self-fed, highprotein supplement (30% CP) or were not supplemented. Range cubes (20% CP) were fed at a daily equivalent of 1, 2, 3, or 4 lb/head and all cows had access to the same self-fed supplement used during the fall period. Cumulative performance (as measured by changes in body condition score and body weight) tended to show limited response to low-level fall supplementation, but was significantly improved as level of winter supplementation increased
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