The Drost Project The Drost Project
guides
search
information
bibliography
sponsors
help
about
The Visual Guide to Bubaline Reproduction
  
Female Reproductive System
    Ovaries
      Embedded Corpus Luteum.
      Ovarian Cross Section.
      Normal Ovaries.
      Follicular Cyst.
      Buffalo CL vs Zebu CL.
    Oviduct
      Salpingitis.
      Cystic Ovarian Bursa.
    Uterus
      Normal Pluriparous Uterus.
      Normal Anestrous Uterus.
      Endometrium.
      70-day Conceptus.
      Epithelial Plaques.
      Allantoic Calculus.
      Metritis.
      Purulent Vaginal Discharge.
      Chronic Pyometra.
      Pyometra.
      Uterine Adhesions.
      Uterus Unicornis.
      Gravid Uterus Unicornis.
    Cervix
      Persistent Median Band.
    Vagina
      Vaginal Mucous Discharge.
      Abnormal Vaginal Discharge.
    Vulva
      Vulva at Proestrus.
      Estrous Vulva.
      Erythema of the Vulva.
      Frequent Urination.
      Obstetrical Trauma.
      Physical Injury.
  
Estrus Detection
    Estrous Behavior
      Mounting Behavior.
      Curling of the Tail.
      Vulvar Edema.
      Puberty.
      Vaginal Mucous Discharge.
      Cloudy mucus.
      Standing Heat.
      Flehmen Response.
      Flehmen Response.
      Olfactory Test.
      Chin Resting.
      Mounting Bull.
      Lip Curl.
      Checking for Pheromones.
      Estrus Detection.
    Estrus Detection Aids
      Non-entry Teaser Bull.
      Teaser Bull Preparation.
      Non-entry Teaser Bull.
      Deviated Penis.
      Androgenized Teaser Cow.
      Chinball Marking Harness.
      Marking Harness.
      Filling the Marking Harness.
  
Pregnancy
    Conceptus
      70-day Conceptus.
      Early Pregnant Uterus.
      Fetuses.
      4 Month Old Fetus.
      Twin Fetuses.
    Diagnosis
      Restraint.
      Fluid-filled Uterus.
      Early Pregnant Uterus.
  
Reproductive Management
    Cycle Control
      CIDR Device.
      Loading the Applicator.
      Inserting the Applicator.
      Tail of the CIDR.
  
Obstetrics
    Calving Facilities
      Obstetrical Hygiene.
    Vaginal Delivery
      Udder Development.
      Udder Development.
      Stage 2 of Labor.
      True Labor.
      Onset of Labor.
      Allantois and Amnion.
      Fetal Head and Limbs.
      Rupture of the Amnion.
      Downward Traction.
      Prevention of Hiplock.
      Manual Traction.
      Attaching the Ropes.
      One Foot Showing.
      Both Feet Showing.
      Downward Traction.
      Delivery Complete.
      Neonate.
      Initiation of Respiration.
      Treating the Umbilical Cord.
      Delivery of the Fetal Membranes.
      Fetal Membranes.
      Stage 3 Complete.
      Colostrum.
    Uterine Prolapse.
      Prolapsed Uterus.
      Prolapsed Uterus and Vagina.
      Replacement of the Prolapse.
    Calving Injuries
      Bruised Vulva.
  
Placenta
    Normal Placenta
      Normal Term Placenta.
      Term Fetal Membranes.
      Twin Placenta.
  
Accidents of Gestation
    Uterine Torsion
      Casting the Cow.
      The Cow Is Cast.
      Plank in the Flank.
      Weight on the Plank.
      Untying the Feet.
      Getting up.
      Ready for Re-examination.
      Re-examination.
    Prolapsed Vagina
      Large Vaginal Prolapse.
      Cervico-Vaginal Prolapse.
      Lateral View of the Prolapse.
      Posterior View of the Prolapse.
      Cervico-Vaginal Prolapse.
      Cervico-Vaginal Prolapse.
      Retention Suture.
      Two Retention Sutures.
      Chronic Prolapses.
      Rectal and Vaginal Prolapse.
      Rectal and Vaginal Prolapse.
    Mummification
      Mummy.
      Twin Mummies.
      Mummies and Membranes.
      Delivery of a Mummy.
      Extraction of a Mummy.
  
Teratology
    Congenital Anomalies
      Uterus Unicornis.
      Hemimelia.
      Hemimelia - Close Up.
      Albino Calf.
      Facial Cleft.
      Cleft Lip.
      Cleft Palate.
      Missing Mandible.
      Missing Mandible - Side View.
      Umbilical Hernia.
  
Abortion
    Undetermined Cause
      Embryonic Death.
      Impending Abortion.
      Early Embryonic Death.
  
Male Reproductive System
    Bulls
      Stud Bull.
      Murrrah Bull.
      Prize Bull.
      Young Bull.
    Testis and Epididymis
      Testes and Accessory Sex Glands.
      Symmetrical Testes.
      Abnormal Orientation.
      Testicular Hypoplasia.
      Unilateral Testicular Hypoplasia.
      Unilateral Cryptorchid.
      Epididymitis.
    Scrotum
      Scrotal Hernia.
      Non-pendulous Scrotum.
      Scrotal Abnormality.
    Accessory Sex Glands
      Testes and Accessory Sex Glands.
    Prepuce
      Suckled Prepuce.
      Loss of Preputial Hair.
      Prepuce - Hair Loss.
    Semen
      Semen Collection.
      Waiting for the Bull to Mount.
      Use of the Artificial Vagina.
      Semen Sample.
      First and Second Ejaculates.
      Morphology.
      Stained Smear.
    Breeding Soundness Evaluation
      Electroejaculation.
      Use of the Artificial Vagina.
      Waiting for the Bull to Mount.
    Breeding Capacity
      Puberal Bulls.
  
Reproductive Technology
    Artificial Insemination
      Handling Buffalo.
      Buffalo in Chute.
      No Backing Up.
      Side Approach.
      Restraint.
      Lead By Nose Ring.
    Embryo Transfer
      Overview of Embryo Recovery.
      Ready to Place Catheter.
      Cervical Dilator.
      Foley Catheter.
      Insertion of the Foley Catheter.
      Balloon Placement.
      Inflation of the Balloon.
      Endometrial Damage.
      Removal of the Stylet.
      Exit Tubing.
      Return Flow to the Filter.
      Embryo Filter.
      Flow Control Through the Filter.
      Rinsing the Filter.
      Embryo Collection.
      Graduated Cylinder.
      Searching for Embryos.
      TB Syringe with Straw.
      Loading the Straw.
      Straw Loaded with Embryo.
      Embryo Transfer Syringe.
      Standard AI Syringe.
      ET Syringe with Sanitary Sleeve.
      Parting of the Lips of the Vulva.
      Perforating the Sanitary Sleeve.
      Deposition of the Embryo.
      Blood Typing the Donor.
      World's First ET Calf.
      World's First ET Calf.
      First ET Calf.
      The First ET Calves in Bulgaria.
    Embryos
      Early Morulas.
      Morulae.
      Code 2 Morulas.
      Code 3 Morula.
      Code 4 Morula.
      Expanded Hatched Blastocyst.
      Hatched Blastocyst.
      Reconstituted Hatched Blastocyst.
      Hatched Blastocysts.
    In-Vitro Fertilization
      Classification of Recovered Oocytes.
      Stages of IVF Embryo Development.
      Maturation of Oocytes and IVF Embryo Development.
      Development after Chemical Activation.
      Developmental Stages of IVF Embryos.
      Expansion of Parthenogenic Blastocyst.
      Hatching of Parthenogenic Blastotcysts.
  
General Images
    Miscellaneous
      Buffalypso Heifer.
      Buffalypso.
      Jafarabadi.
      Group of Jafarabadi Buffalo.
      Bulgarian State Farm.
      Bulgarian Buffalo.
      Tame Buffalo.
      Brazilian Buffalo.
      Machine Milking.
      Bulgarian Milking Buffalo.
      Calf Hutches.
      Mineral Supplementation.
      Communal Nursing.
      Anti-suckling Device.
      Nursing Multiple Calves.
      Nursing An Extra Calf.
      Crossing the River.
      Coming Ashore.
      Living Tractor.
      "Tow Truck"
      Recreation.
      Relaxation.
      "Rodeo"?
      Wallow.
      Feedlot.
      Pasture Scene.
      Water Buffalo Calf.
      Albino Buffalo.
      Spotted Buffalo.
      River Delta.
      Crossing a Flooded Area.
      Standing in the Surf.
      Winter Time.
      In the Snow.
      Buffalo in the Snow.
      Shade.
      Shade Cover.
      Cooling Off in the River.
      Access to the River.
      Sprinkler System.
      Wading Pool.
      Thin Buffalo.
      Fat Buffalo.
      Silage Feeding.
      Feeding on a Large Farm.
      Nursing Four Calves.
      Taking a Blood Sample.
      White Face Buffalo.
      Restraint Device.
      Horn Brand.