Stallion and Semen Evaluation

Introduction
Evaluation of the reproductive system in a stallion should assess whether he has the physical and mental faculties necessary to deliver semen containing viable spermatozoa and no infectious disease to the mare's reproductive tract at the proper time to ensure establishment of pregnancy in a reasonable number of mares mated per season. The evaluation needs to assess libido, mating ability, any congenital defects that may be transmissible to offspring as well as quality of semen ejaculated. The results of the examination should be recorded in a systematic and accurate manner.

Identification
Accurate and detailed identification of any stallion which is the subject of a fertility examination is vital. [...]