| Watching
the birth of lambs is one of the most rewarding things about
raising sheep. Understanding the process of what is happening
can help you to determine when the birth is likely to occur
and can help you decide when a ewe needs assistance. This
fact sheet provides an overview of the lambing process as
well as signs that lambing will soon occur. |
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Last Month of Pregnancy
During the last month of pregnancy the ewe will need more energy
to keep up with the demands of the lambs growing inside of her.
During this time, her belly will grow and her udder will begin
to produce colostrum, the first milk. You may also notice that
the ewe has more difficulty getting up and moving around due to
the weight of her pregnancy.
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Last Week of Pregnancy
During the last week of pregnancy the ewe's body begins
to prepare for lambing. A few days before she goes into
labor, her vulva will begin to change from light pink to
a dark pink color. The vulva will also begin to swell. The
udder is full of colostrum and will feel tight and hard.
The last change you will notice is a relaxation of the muscles
in the hip area.
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The appearance of the
water bag shows that lambing is progressing. The clear fluid-filled
bag is the sack around the lamb that is about to be born.
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The Onset of Labor
At the start of labor, the ewe will become unsocial and
restless. She will move away from the main part of the flock
and will spend extra time getting up and laying down. Her
vulva will be very swollen and will appear very relaxed.
If it is feeding time, the ewe will be reluctant to eat
with the rest of the flock. Take time each feeding to watch
your ewes for signs of abnormal behavior. This is your first
clue to check the flock more often for anyone who is lambing.
As the onset of labor gets closer, you will notice her starting
to dig a nest in the bedding. As the labor progresses, the
ewe will intermittently stand up and lay down. She may also
turn circles while bleating. The first sign that the lambs
are coming is the appearance of the water bag. The bag will
be filled with a clear fluid. Once the water bag breaks, the
lambs should be born within 30 minutes. It is also normal
for the ewe to lick the bedding where the water has broken.
If you find that the ewe is not progressing with the labor,
you may want to check to make sure that the lambs are positioned
correctly for the birth. |
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The Birth Process
Once the water breaks you should soon see the appearance
of the front feet. The lamb's head should lay above and
between the front legs in a normal presentation. The feet
should also be pointing downward in a normal presentation.
Feet that are pointing upward are generally from a breech
birth. Lambs can be born in the breech position, but you
will want to be sure to have the birth progress rapidly.
As soon as a breech-positioned lamb is born, hold him up
by his back legs and rub down his sides to help remove any
fluid from his lungs.

This ewe has already given
birth to her first lamb and is ready to give birth to another
lamb. Note the feet have appeared outside the birth canal.
A closer inspection in the picture at the right shows that
the feet are positioned correctly and are pointing downward.
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The next step in the birth process is the appearance of
the head. Most of the time a thin membrane will still cover
the lamb. This membrane should break as the lamb is born.
However, you may want to be nearby in the event that the
lamb needs assistance. If the birth is progressing, allow
nature to take its course. Only assist if necessary.
Remember that a young ewe who is giving birth to her first
lambs will take more time to complete the birth process
than an older, more experienced ewe.
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Shortly after the feet appear, the
head
should appear above and between
the
front legs.
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Allow the ewe to push
the lamb out on her own. Also, be
sure to let the umbilical cord tear on its own.
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As more of the lamb appears outside of the ewe, allow the
ewe to continue pushing until the lamb is completely born.
When the ewe stands up, the umbilical cord will break on
its own. Do not cut the cord as this is likely to cause
excessive bleeding. Allow the cord to tear on its own.
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Once the lamb is born, check to make sure that it is breathing.
Wipe the head and nose off well to make it easier for the
lamb to breath. If the lamb is not breathing, try inserting
a piece of straw a short way into a nostril to encourage
the lamb to sneeze. You may also need to lift the lamb up
by the rear legs and vigorously rub its sides.
In cold weather it is also a good idea to dry off the ears
and tail as best as possible. This helps to prevent freezing.
Allow the mother to lick the lamb to clean off the rest.
She should be "talking" to her lamb now that he
is born.
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Use a towel to dry off
the lamb's head and nose. This will
help him to breathe easier.
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Allow the ewe to lick
her lamb. This
helps clean off the lamb as well as helps
the mother to identify her offspring.
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If the mother is still lying down, move the lamb toward
her head so that she can lick off the lamb. This is a bonding
process for the mother and lamb to identify each other.
They will need to be able to identify each other once they
are turned out with a group of ewes and lambs.
Do not move the mother and her new lamb into a lambing
pen until she has given birth to all her lambs. A ewe that
is forced to lamb inside the smaller sized lambing pen runs
a higher risk of laying down on the first lamb that was
born while she is giving birth to the second lamb.
Lambs who are born outdoors on pasture don't have to be
brought inside to a lambing pen. Use your best judgement
based on how well the ewe is caring for her newborns.
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A vigorous lamb will soon be trying to stand up. For weaker
lambs, they may need a few minutes longer (sometimes up
to an hour) before they are ready to stand up to nurse.
You may want to give any weaker lambs a dose of a high energy/vitamin
and mineral drench to provide extra energy until they are
able to nurse on their own.
Once the ewe has finished giving birth to all of her lambs,
she can be moved into a smaller lambing pen for several
days. This gives her additional time to bond with her lambs
and allows you to keep a closer watch on the lambs to make
sure they are getting enough milk to drink.
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A vigorous lamb will soon begin trying
to stand.
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Check the ewe's teats to make sure
they
are open and to make sure the ewe has milk.
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Your last tasks once mother and lambs are in the lambing
pen are to check her teats to make sure they are open and
to check that the mother has milk. Another task is to dip
the lamb's navel in iodine to prevent any navel infections.
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Dip the lamb's navel in iodine to
prevent a navel infection.
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| The process of lambing is an exciting part of nature. It doesn't
take any time at all until the barn is full of a group of happy,
healthy lambs. Understanding this process will help you to determine
when a ewe will lamb and will hopefully allow you to spend more
time sleeping at night and less time getting up in the middle of
the night to check on the ewes! |
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