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Parturition 110203132933-phpapp01
1. SUSAN SCHOENIAN (Shāy-nē-ŭn)
Sheep & Goat Specialist
Western Maryland Research & Education Center
sschoen@umd.edu – www.sheepandgoat.com
SMALL RUMINANT PROGRAM
2. Jan 13 I. Late Gestation
Jan 20 II. Vaccinations
Feb 3 III. Parturition
Feb 10 IV. Neonatal Care
Feb 17 V. Lactation
Feb 24 VI. Weaning
3. The act or process of giving birth
Lambing and kidding
4. Breeding date
Marking harness
Rattle paint
Hand mating
Observation
Dates of male
introduction and
removal.
Date(s) of
“accidental”
exposure.
You won’t know if you never
remove males or don’t write
anything down.
One week less than
5 months and I
might be pushing
out babies. You
better be ready!
5. Shorter
Sheep
Meat breeds
Prolific breeds
Female offspring
Multiple births
Lighter offspring
Goats
Late-maturing breeds
Male offspring
Single births
Heavier offspring
Longer
It takes more
time to make
a big boy!
6. BEHAVIOR
Separation
Isolation
Acting more territorial
Restlessness
Nervousness
Tail twitching
Frequent urination
Pawing the ground
Getting up and down
Reduced appetite
Udder filling up
Engorged teats
Vaginal discharge
Relaxation of muscles
in hip area
Belly drops
Sides cave in
Swollen vulva
PHYSICAL
9. Rupture of the
water bag
Fetus is expelled.
Repeated for
each offspring
Ewe or doe may
give birth lying
down or standing
up.
Some females
want to be left
alone for birthing.
10. In the “dive” position
Head resting on fore legs
Sole of the hooves rests downwards
Widest part of the fetus is the hips
Backwards (not breech) is also “normal”
11. Once forceful straining begins and
the water sac breaks, delivery
should normally take place within
45 to 60 minutes.
Once the front legs are visible,
delivery should normally take
place within 30 to 45 minutes.
Subsequent offspring are normally
delivered within 30 minutes of each
other.
Prolonged delivery beyond these
times may indicate birthing
difficulty.
12. If the female has made no
progress after 45 to 60
minutes of hard straining
(and the water sac has
broke).
If female has been in
distress for 2 or 3 hours
without progress, even if
nothing is visible at vulva.
13. Catch and confine female
Lay female down
Can lay her on her back or hoist her.
Wash hands, arms, and female’s vulva
Wear gloves or OB sleeves
Short fingernails, no rings
Apply copious lubricant
Lubricant jelly
Obstetrical lubricant
Bland soap and water
Shortening
14. Examine for dilation of cervix
Bunch fingers and thumb
into a cone shape to enter
She may need more time
Determine presentation
Correct position
Apply traction
After care
15. Be clean
Be gentle
Be calm
Be patient
Call veterinarian (or
experienced shepherd) if you
have not made progress after
a half hour.
Check for more offspring.
Give long-acting antibiotic to
prevent uterine infections.
16. May need to revive baby
Clear airway
Clear mucous from nose
Insert piece of straw or hay into
baby’s nose
Raise front leg to expand chest
cavity
Hang baby by hind legs and swing
in circle.
Blow air into lungs
Put baby in front of mom’s nose
Have mom lick babies unless she’s
too exhausted.
17. Put mom and babies in a small
pen together (jug).
Clip (if necessary) and
disinfect navels
Remove wax plug from teat
Check milk supply
Observe to make sure babies
nurse.
Let mom take care of her babies.
18. Afterbirth (placenta) is
expelled from the body
Uterine involution
(uterus returns to normal)
Complete involution
takes more than a month
19. Red, liver-like mass with
strawberry-like lumps and
whitish cords.
Is separate for each
offspring.
Is usually expelled 30
minutes to 1 hour after last
baby is born.
20. It’s her natural instinct
Protection from predators
Contains oxytocin
Helps with milk let down
Uterine involution
Some people eat it
21. Biosecurity
Scrapie is transmitted via
infected placenta.
Abortive diseases are
spread via infected
placenta.
Sanitation
You don’t want to
attract wild animals and
scavengers.
Is highly indigestible
USDA APHIS NAHMS, 2003
23. What is it?
Low blood glucose caused
by insufficient intake of
energy during late
pregnancy and breakdown
of fat into toxic ketone
bodies.
Who’s most susceptible?
Females carrying multiple
fetuses
Fat females
Thin females
Old females
Timid females
24. Symptoms
Lags behind
Depression
Neurological symptoms
Salivating
Rear legs splayed out
Lack of appetite
Recumbency
Death
Treatment
Oral propylene glycol
IV dextrose
Other Tx
Calcium borogluconate
Vitamin B-complex
Remove fetuses
[Rx] Induce parturition
[Vx] Caesarian section
If pregnancy toxemia is suspected, you
need to evaluate your feeding program.
25. What is it?
Low blood calcium
Symptoms
Overlap with
pregnancy toxemia
Treatment
Oral calcium
Sub-Q calcium
IV calcium If milk fever is suspected, you need to
evaluate your feeding program.
26. Causes
Toxins
Trauma
Unviable offspring
Stress
Disease
Chlamydia (Enzootic)
Campylobacter (Vibrio)
Toxoplasmosis
Salmonella
Symptoms
Birth of stillborn, weak, or
premature babies.
Female may be sick for several
days before she aborts late in her
pregnancy (or not).
27. Control
Isolate aborting ewes
Dispose of fetuses, placenta, and
fluids.
Administer antibiotics to
remaining females.
Work with diagnostic vet to
determine cause.
Prevention
Aborting females develop
immunity
Feed or inject antibiotics
Vaccinate
Control cat population
Feed ionophoreYoung females are most susceptible to
infectious causes of abortion.
28. Usually occurs during last
month of pregnancy
More common in ewes than
does
Extent of prolapse varies.
29. Multiple fetuses
Increased rumen fill
Poor quality forage
Phytoestrogenic forages
Short tail docks
Gravity
Overcrowding
Lack of exercise
Obesity
intra-abdominal fat
Previous history
40% chance of re-occurring
Genetic predisposition Image source: NADIS UK
30. [Rx] Pain relief
Clean vagina
[Use mild soap]
Replace vagina
Keep vagina in
Spoon/bearing retainer
Prolapse harness
Prolapse truss
Purse-string suture
[must remove sutures before lambing]
Parturition usually corrects
problem
Cull ewe and her offspring
32. Causes/contributing factors
Age
Young and old
Obesity
Oversized fetuses
Overfeeding
Small pelvic area
Breeds and males that sire
large offspring
Lack of exercise
Multiple births
33. • Push lamb or kid slightly back into womb
• Cup hoof in your palm
• Extend legs
• A small baby can be pulled with one leg back
• Babies can survive a long time with their head sticking out.
Wash head before putting it back inside female
Elbow lock One leg
back
Both legs
back
Swollen head
34. • Tight - copious lubricant, firm pressure, pull skin over head, extend legs one at
a time
• Head back - push back, turn head
• Breech - deliver backwards, cup fetlocks, extend rear legs forward , deliver
quickly
• Simultaneous - figure out what belongs to who
• “Nasty” problems: dead, deformed, and decomposed babies
Head back Breech SimultaneousTight birth
36. Treatment
Give a gentle tug.
Do not forcibly pull out!
Give antibiotics to
prevent uterine infection.
Calcium borogluconate
[Rx] Oxytocin or
Prostaglandin (PGF2α)
37. Abortion
Stillbirths
Premature birth
Uterine infection
Difficult/prolonged birth
Assisted delivery
Dead baby still in uterus
Nutritional deficiencies
Exhaustion
Stress
38. Uterus is turned inside out
and pushed through the
birth canal.
May occur immediately
after parturition or several
days later.
Is life threatening.
Image source: NADIS UK
42. “Rookie” mother
High-strung mother
Over-bonding with first baby
Slow arrival of second baby
Separation
Painful or sensitive
udder or teat(s)
Baby has sharp teeth
Babies got swapped
Abandonment
She can’t count
Racism →
43. Put dam in pen with babies.
Put baby in front of dam’s
nose
Try to “fool” dam with
different odors
Manually hold dam for
nursing
Put dam in a head stanchion
Rear baby(ies) artificially
Give away babies
44. Most ewes and does lamb and kid on
their own without any need for
assistance or intervention.
Don’t be eager to intervene if
everything is progressing normally,
even if it’s taking longer than the
book says.
If you have a lot of problems, you
need to look at your entire program:
feeding, breeding, management, etc.