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Guidelines for Purchasing Semen

Department of Dairy Science, Virginia Polytechnic Institute and State University, Blacksburg 24061

ABSTRACT

This extension guideline provides dairymen with a method of establishing a maximum price for profitable semen purchases. It is a practical condensation of principles presented in (1). Multiplicative factors for predicted difference dollars are given for computing net present value of semen over 10 yr. Assumptions are included, and options are available for annual interest, 10% and 15%; units of semen to derive a milking heifer, 5, 6.5, 8, and 10; age at first calving, 24 and 30 mo; calving interval, 12.5, 13.5, and 14.5 mo. The average factor for 10% interest is .25.