Provide a display of tools,supplies, etc., used in castrating livestock. If the tools are not available, obtain pictures from text books or the Ag Production California Curriculum Guideline 2. Demonstrate castration of a lamb, pig, or calf. Allow students to practice, using an approved method. Show filmstrip or video on castrating cattle.
Castration makes male animals less aggressive and easier to handle.
Androgens are the hormones that control the appearance and development of masculine sex characteristics. B. Methods of castrating livestock. In either case, the testicle is pulled out through the slit and the spermatic cord is scraped, not cut, in half. Scraping the cord reduces bleeding and facilitates healing. The area where the slit or cut is made should be cleaned with alcohol before cutting and rubbed with iodine after testicles are removed.