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Parturition Topic 2035

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Parturition Topic # 2035 Ashlee Gibson What is Parturition? Act of process of giving birth Parturition Names in Species Cattle: Calving Sheep: Lambing Swine ... – PowerPoint PPT presentation

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Title: Parturition Topic 2035


1
ParturitionTopic 2035
  • Ashlee Gibson

2
What is Parturition?
  • Act of process of giving birth

3
Parturition Names in Species
  • Cattle Calving
  • Sheep Lambing
  • Swine Farrowing
  • Horses Foaling

4
Signs of Approaching Parturition
  • Distended abdomen
  • Mammary development milk secretion
  • Swollen vulva and relaxed pelvic ligaments
  • Mucous discharge
  • Relentlessness and separation from group
  • Labor and Contractions

5
Signs of Parturition in Cattle
  • One week - mammary glands fill with milk,
    tailhead ligaments relax, and you will see a
    waxing of teats.
  • 12-24 hours - frequent defecation and urination,
    anorexia, looking for young, makes a nest or
    seeks out an isolated area.

6
Signs of Parturition in Sheep
  • Ten days before lambing the ewes teats become
    firm and full of milk, her vulva slackens and
    becomes slightly swollen.
  • Closer to lambing, the ewe's cervical seal passes
    from the vulva as a thick, creamy, white mucus.
  • In the final stages prior to lambing, the ewe
    becomes anxious and uneasy and continually
    switches from a reclining to a standing position.

7
Signs of Parturition in Horses
  • Two to six weeks before foaling the mares udder
    will swell.
  • Seven to ten days prior to foaling the muscles
    over the buttocks appear to shrink and the
    abdomen drops.
  • At four to six days before foaling the teats fill
    with milk.
  • Twelve to 24 hours before foaling wax appears on
    the end of the nipples.

8
Stages of Parturition
  • Stage 1- Preparatory Stage
  • Stage 2- Birthing Process
  • Stage 3- Placenta Expulsion

9
Stage 1- preparatory stage
  • Characterized by dilation of the cervix.
  • Rhythmic contractions of the uterus.
  • At the end of this stage, the cervix expands,
    allowing the uterus and vagina to become a
    continuous canal.

10
Stage 2- Birthing Process
  • Increase in contractions with abdominal pressing.
  • The placenta, along with the head and forelegs,
    are forced into the vagina (birth canal).
  • Presentation is forelegs first with the nose
    resting on the forelegs.
  • Anterior head first
  • In swine, piglets may be born anteriorly or
    posteriorly

11
Stage 3- Placenta Expulsion
  • Associated with uterine contractions
  • Normally expelled within 12 hours
  • Placenta of each species should be expelled
    within the following time periods
  • Mare- one hour
  • Cow and ewe- 8to 24 hours
  • Sow normally attached to fetus at birth

12
Types of Placentas
  • Cotyledonary
  • Cow Ewe
  • Diffuse
  • Mare Sow

13
Dystocia Difficulty during Parturition
  • Fetal dystocia problems
  • Over-sized fetus
  • Multiple birth complications
  • Breech presentation - With sheep, cattle, and
    horses, the fetus is presented posteriorly.
  • Deviations in normal presentation - For example,
    one leg may be pushed back or the head may be
    turned.

14
Dystocia
  • Maternal dystocia problems
  • Narrowing of the birth canal due to fractures of
    the pelvis.
  • Uterine torsion reducing the size of the birth
    canal.
  • The cervix may fail to dilate.
  • Absence of uterine contractions

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