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Parturition

Parturition. Holly Glomski Topic . Objective. Identify the phases of parturition in sheep Signs of the phases. What is Parturition?. Process of giving birth Several phases Livestock manager needs to be prepared. Lambing Phases. Four Phases Dilation Accelerated Contractions

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Parturition

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  1. Parturition Holly Glomski Topic

  2. Objective • Identify the phases of parturition in sheep • Signs of the phases

  3. What is Parturition? • Process of giving birth • Several phases • Livestock manager needs to be prepared

  4. Lambing Phases • Four Phases • Dilation • Accelerated Contractions • Expulsion of Lamb • Expulsion of Placenta

  5. Dilation • Cervix Dilates and Birth Canal is prepared • 12-24 hours • Clear-whitish discharge appears on vulva • Completion of this phase • Main sign lambing has begun

  6. Acceleration of Contractions • Takes a few minutes to 3-4 hours • Ewe spends more time on her side • Abdominal muscles contract as labor intensifies • A large bubble of water will appear, and break

  7. Expulsion of Lamb • Can be complications (Dystocia) • Normal birth • Tip of nose and front feet delivered first • Ewe cleans head and nasal passages first • If second lamb is to be born interest in first decreases and contractions start

  8. Expulsion of Placenta/Afterbirth • Extra embryonic membranes that form around embryo in early pregnancy • Membranes attached to uterus • Responsible for transfer of nutrients and wastes between mother and fetus. • Red strawberry like bumps, liver like mass, white colored cords

  9. Expulsion of Placenta/Afterbirth • Delivered naturally 30min.-1hour after delivery of fetus. • Possible to miss delivery of Placenta • Natural instincts to consume as to not attract predators • Placenta Retention • Placenta is not expelled within 24hours after delivery • Serious could lead to infection • Call Veterinarian

  10. Review • 4 Lambing Phases • Dilation • Acceleration of contraction • Expulsion of Lamb • Expulsion of Placenta

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