Date post: | 16-Apr-2017 |
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Health & Medicine |
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Slide 1
EQUINE MEDICINEReproduction and Breeding
StallionSperm productionBegins as yearlingMaturity at 4 yrs
EjaculationEmissionRelease of semenPulsatile contractionsEjaculationExpulsion of fluid
MarePlacentaDirect attachmentBloodOxygenNutrients
CyclesSeasonally polyestrusStart-15-24 monthsLasts 21-22 daysRegular seasonJan/Feb-JuneTransition phaseFeb/MarchSept/Oct
CyclesFollicle stimulating phaseEstrus behaviorRelaxed cervixClear dischargeRaised tailSquat/UrinateWinkingBegins 6-8 daysBreeding 3-4 days
Luteal phaseProgesterone productionSwish tailPin ears, kick
FertilizationOccurs in ova ductUterine horn-5-6 daysImplantation 15-18 daysGestation-335 days
SterilityAbortionFetal loss 300 days gestation
Breeding ConsiderationsAppearancePedigreeGenetic abnormalitiesDispositionConformationAthletic ability
Breeding ConsiderationsAgeYoungIrregular heat cyclesAged Anatomical changes
Breeding ConsiderationsBreedRequirements for registryStatus MaidenBarren/openWet
Breeding Considerations
Breeding Records HealthGestation lengthAbnormalitiesAthletic UseInjuries/Disease Drug TherapiesHealthNutrition
Mating
Live CoverHorses heldPastureBest conception rateArtificial InseminationNot all registriesSafest for mare and foal
Mating
Embryo TransferFlushingImplantationSurgicalImplantation
Pregnancy DiagnosisRectal PalpationLate in first semesterUltrasound14 days gestation22 days heart beatBlood WorkPregnancy diagnosisPregnancy support
Pregnant Mare Care
Routine dental and hoof careNutritionParasite ControlVaccinations