1  Cover

      2  Series Page

      3  Title Page

      4  Copyright Page

      5  Dedication Page

      6  List of Contributors

      7  Preface and Acknowledgments to the Second Edition

      8  Preface and Acknowledgments to the First Edition

      9  About the Companion Website

      10  Section I: The Bull

      11  Anatomy and Physiology 1 Anatomy of the Reproductive System of the Bull Introduction Production Transport Transfer References 2 Endocrine and Exocrine Function of the Bovine Testes Introduction Historical Perspective The Testis The Scrotum and Spermatic Cords Interstitial Tissue (Leydig Cells) Endocrine Function of the Testis Overview of Spermatogenesis and Maturation of Spermatozoa References 3 Spermatogenesis Introduction Cell and Molecular Biology of Spermatogenesis Markers to Study Spermatogenesis Hormones and Spermatogenesis The Cycle of the Seminiferous Epithelium Spermatogenesis in the Bull Sertoli Cells and Spermatogenesis The Role of Sertoli Cells in Spermatogenesis References 4 Thermoregulation of the Testes Introduction Anatomy and Physiology Surface and Internal Temperatures Sources of Testicular Heat Effects of Increased Testicular Temperature Summary References 5 Endocrine Control of Testicular Development and Initiation of Spermatogenesis in Bulls Introduction Infantile Period Prepubertal Period Pubertal Period Metabolic Hormones During the Prepubertal and Pubertal Periods References 6 Sexual Development and Puberty in Bulls Introduction Testicular Development Puberty Development of Accessory Sex Organs Development of Sexual Behavior Effects of Nutrition on Sexual Development Implications of Sexual Development and Puberty for Breeding Soundness Evaluation References

      12  Breeding and Health Management 7 Breeding Soundness Evaluation: Comparative Review of Different Standards Introduction General Concepts An International Overview of BBSE BBSE – How the Categories Compare Internationally Discussion References 8 Evaluation of Breeding Soundness: The Physical Examination Introduction History Basic Physical Examination Examination