Utah State University Extension
This fact sheet explains the semen examination section of the bull breeding soundness evaluation form. It indicates what each category on the form is, why it is important, and what the requirements are for a bull to be considered a satisfactory breeder.
Chapman, C. Kim and Rood, Kerry A., "Understanding the Semen Evaluation Portion of the Breeding Soundness Evaluation" (2016). All Current Publications. Paper 1287.