| Table of Contents |
| 1 | Reproductive Anatomy of the Mare | 1 |
| | | Ovaries | 3 |
| | | Oviducts | 3 |
| | | Uterus | 4 |
| | | Cervix | 4 |
| | | Vagina | 4 |
| | | Vestibule | 5 |
| | | Vulva | 5 |
| | | Examination of the Reproductive Tract of the Mare Per Rectum | 5 |
| 2 | Reproductive Physiology of the Nonpregnant Mare | 9 |
| | | The Estrous Cycle | 9 |
| | | Staging the Estrous Cycle by Examination | 12 |
| | | Seasonality | 12 |
| | | Operational Breeding Season | 15 |
| 3 | Manipulation of Estrus in the Mare | 17 |
| | | Introduction | 17 |
| | | Physiologic Changes During Transition from Seasonal Anestrus Through Onset of the Breeding Season | 22 |
| | | Artificial Lighting | 23 |
| | | Shortening the Duration of the Late Transition Period by Administering Progestogens | 23 |
| | | Hastening Ovulation During the Late Transition Period | 24 |
| | | Waiting To Bread Mares Until Regular Estrous Cycles Occur | 25 |
| | | Induction of Ovulation in Cycling Mares | 25 |
| | | Synchronization of Estrus in the Cycling Mare | 28 |
| | | Hormonal Therapy To Improve Fertility of Mares Early in the Postpartum Period | 29 |
| 4 | Breeding Soundness Examination of the Mare | 31 |
| | | History | 31 |
| | | General Physical Examination | 33 |
| | | Reproductive Examination | 33 |
| | | Vaginal Speculum Examination | 35 |
| | | Uterine (Endometrial) Culture | 37 |
| | | Uterine Cytologic Analysis | 38 |
| | | Other Diagnostic Aids | 40 |
| | | Written Summary for Client/Owner | 42 |
| 5 | Transrectal Ultrasonography in Broodmare Practice | 43 |
| | | Instrumentation | 43 |
| | | Procedural Considerations | 44 |
| | | Examination of the Ovaries | 46 |
| | | Evaluation of the Tubular Tract | 49 |
| | | Diagnosis and Evaluation of Pregnancy by Transrectal Ultrasonographic Examination | 51 |
| | | Determination of Fetal Gender by Transrectal Ultrasonography | 53 |
| | | Diagnosis of Pathologic Uterine Conditions by Transrectal Ultrasonography | 54 |
| 6 | Endometritis | 59 |
| | | Terminology for Genital Infections | 59 |
| | | Endometritis | 59 |
| | | Treatment of Genital Infections | 62 |
| | | Prevention of Genital Infection | 68 |
| 7 | Pregnancy: Physiology and Diagnosis | 69 |
| | | Early Events of Pregnancy | 69 |
| | | Endometrial Cup Formation | 70 |
| | | Development of Supplementary Corpora Lutea | 72 |
| | | Progestin Production by the Fetoplacental Unit | 72 |
| | | Summary of Methods of Pregnancy Diagnosis | 73 |
| | | Detection of Pregnancy by Ultrasound Examination | 75 |
| | | Equine Chorionic Gonadotropin Detection | 76 |
| | | Estrogen Detection in Blood or Urine | 76 |
| 8 | Pregnancy Loss | 77 |
| | | Causes of Embryonic Death | 78 |
| | | Diagnosis of Embryonic Death (After Ultrasonographic Determination of Pregnancy) | 78 |
| | | Development of Uterine Edema During Early Pregnancy | 79 |
| | | Management of Mares With Signs of Abnormal Embryonic Development | 80 |
| | | Pregnancy Loss Beyond the Embryonic Period | 80 |
| | | Abortion | 80 |
| | | Gestational Abnormalities | 86 |
| 9 | Management of the Pregnant Mare | 93 |
| | | Length of Gestation | 93 |
| | | Preventive Health Care | 94 |
| | | Monitoring and Preparing the Mare for Parturition | 99 |
| | | Stages of Parturition | 100 |
| | | Induced Parturition | 103 |
| | | The Postpartum Period | 104 |
| 10 | Dystocia and Postparturient Disease | 107 |
| | | DYSTOCIA | 107 |
| | | Postparturient Abnormalities | 110 |
| 11 | Routine Management of the Neonatal Foal | 117 |
| | | Evaluation of Respiratory and Cardiac Function | 117 |
| | | Viability Assessment and Resuscitation Procedure | 118 |
| | | Interpretation of Clinical Laboratory Data | 120 |
| | | Physical Examination | 120 |
| | | Care of the Umbilical Cord | 122 |
| | | Dam-Foal Interaction | 123 |
| | | Giving Enemas | 124 |
| | | Antibiotic Injections | 124 |
| | | Vitamin Injections | 125 |
| | | Neonatal Vaccination | 125 |
| | | Colostrum Acquisition | 126 |
| | | Failure of Passive Antibody Transfer | 127 |
| 12 | Semen Collection and Artificial Insemination | 131 |
| | | Advantages and Disadvantages | 131 |
| | | Semen Collection | 132 |
| | | Artificial Insemination | 140 |
| 13 | Examination of the Stallion for Breeding Soundness | 143 |
| | | Objective | 143 |
| | | History and Identification | 143 |
| | | General Physical Examination | 146 |
| | | Physical Examination of Reproductive Tract | 146 |
| | | Observation of Libido and Mating Ability | 149 |
| | | Examination for Venereal Disease | 150 |
| | | Collection of Semen | 153 |
| | | Evaluation of Semen | 153 |
| | | Spermatozoal Concentration | 154 |
| | | Seminal pH | 155 |
| | | Spermatozoal Motility | 155 |
| | | Spermatozoal Morphology | 157 |
| | | Chemical Analysis of Seminal Plasma | 158 |
| | | Transmission Electron Microscopic Examination of Spermatozoa | 158 |
| | | Evaluation of the Ability of Spermatozoa to Undergo the Acrosome Reaction | 159 |
| | | Urethral Endoscopy | 160 |
| | | Radiography | 160 |
| | | Chromosomal Analysis | 160 |
| | | Hormonal Analyses | 160 |
| | | Testicular Biopsy | 163 |
| | | Interpretation of Findings - Breeding Soundness Examination | 163 |
| 14 | Semen Preservation | 165 |
| | | Equine Semen Preservation: Cooled and Frozen Semen | 165 |
| | | General Considerations | 166 |
| | | Cooled Semen | 166 |
| | | Cryopreservation of Semen | 172 |
| 15 | Surgery of the Mare Reproductive Tract | 179 |
| | | Selection of Candidates for Surgery | 179 |
| | | Pneumovagina | 180 |
| | | Urovagina | 183 |
| | | Perineal Lacerations and Rectovaginal Fistulas | 185 |
| | | Cervical Lacerations | 190 |
| 16 | Surgery of the Stallion Reproductive Tract | 193 |
| | | Castration | 193 |
| | | Cryptorchidism | 199 |
| | | Inguinal Herniation | 203 |
| | | Torsion of the Spermatic Cord | 205 |
| | | Hydrocele | 206 |
| | | Hematocele | 207 |
| | | Varicocele | 208 |
| | | Testicular Neoplasia | 208 |
| | | Penile and Preputial Injuries | 209 |
| | | Paraphimosis/Penile Prolapse | 211 |
| | | Phimosis | 211 |
| | | Neoplasia of the Penis and Prepuce | 212 |
| | | Cutaneous Habronemiasis | 213 |
| | | Priapism | 215 |
| | | Hemospermia | 216 |
| | | Hematuria | 217 |
| 17 | An Overview of Embryo Transfer in Horses | 219 |
| | | Background | 219 |
| | | Technique | 219 |
| | | Selection and Management of Donor Mares | 220 |
| | | Selection of Recipient Mares | 220 |
| | | Superovulation | 221 |
| | | Synchronization of Ovulation | 221 |
| | | Embryo Recovery | 222 |
| | | Embryo Transfer | 226 |
| | | Transport of Embryos | 227 |
| | | Storage of Embryos | 227 |
| 18 | Evaluation of Breeding Records | 229 |
| | | Learning to Evaluate Breeding Farm Records | 229 |
| | | Interpretation | 231 |
| | | Mathematics of Horse Breeding | 233 |