Date of Award

1986

Degree Type

Thesis

Degree Name

Departmental Honors

Department

Animal, Dairy, and Veterinary Sciences

First Advisor

James E. Bowns

Abstract

Determining utilization has been one of the most difficult tasks required of range scientists down through the years (Pieper 1973). Utilization is defined as the portion of the current year's growth of the plant that the animal consumes or destroys. For this reason it is difficult to measure utilization because you are trying to measure something that no longer exists.

Numerous methods have been developed for determining utilization. Some methods are rapid while others are more detailed and time consuming, but may give greater accuracy.

This study was done to see how well utilization estimates made by the grazed-plant method correlate with estimates made by the height-weight method. The correlation was made to determine if the height-weight method, currently being used on the Cedar Mountain research project, could be replaced by the quicker grazed-plant method. Regression analysis showed that the relationship between the two variables was not of sufficient strength to replace the height-weight method by the grazed-plant method.

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