The Stud Managers' Handbook includes presentations made at the International Stockmen's School, January 2-6, 1983. The faculty members of the School who authored th is eighteenth volume of the Handbook, along with books on Dairy Cattle, Beef Cattle, and Sheep and Goats, are scholars, stockmen, and agribusiness leaders with national and international reputations. The papers are a mixture of tried and true technology and practices with new concepts from the latest research results of experiments in all parts of the world. Relevant information and concepts from many related disciplines are included.