Alabama Cooperative Extension Service,
Auburn University, Alabama 36849-5612
POST-FOALING CARE OF THE MARE AND FOAL
Cynthia A. McCall, Extension Animal Scientist,
Associate Professor, Animal And Dairy Science
Most horse owners who have decided to raise a foal from their mare often
miss the actual birth of the foal. The average pregnancy length in the mare
is 336 to 340 days, but horses have a wide variation in pregnancy lengths (normal
foals have been produced from pregnancies as short as 305 days and as long
as 400 days), making it difficult for the horse owner to predict the actual
date of birth. Also, most mares foal during the night or very early morning,
making the birth difficult for the average horse owner to monitor. Fortunately
mares seldom experience foaling difficulties and usually require no assistance
during foaling. However, there are several steps the owner should take after
the foal is born to assure the health of the mare and foal.
Care Of The Foal
If you are present during the birth of the foal, your first step after the
delivery is to make sure the foal is breathing. Quietly approach the foaling
area and remove the birth sack (amnion) from the foal's head. If the foal is
breathing, your job is complete and you should leave the foaling area and observe
the mare and foal from a distance. This allows the mare and foal time alone
to recover from the delivery and bond to each other socially. If the foal does
not begin breathing on its own, tickle its nostril with a piece of grass or
straw or blow into the foal's mouth to stimulate the respiratory reflex. If
the foal still does not breathe, try rubbing the foal vigorously, squeezing
its ribs or lifting it about one foot off the ground and dropping it. These
procedures usually shock the foal slightly and initiate respiration.
A normal healthy foal lifts its head and neck and
rolls onto its chest within several seconds after delivery. Then the foal
begins to make creeping movements away from its dam. If the mare has not
stood up yet, the foal's movements usually break the naval (umbilical)
cord. You should wait for either the mare or foal to break the umbilical
cord. Do not cut the umbilical cord immediately after birth, because it
is thought the foal receives blood from the placenta after birth. Cutting
the cord before this blood transfer may result in circulatory problems
in the foal. Foals with circulatory problems typically seem dumb and may
have convulsions, leading to the common terms of "dummy" or "wanderer" foals
for this condition.
Once the umbilical cord breaks, the stump should be dipped in a mild iodine
solution. The iodine drys the umbilical stump and prevents bacteria from traveling
up the stump and entering the foal's body. Bacteria that enter the foal through
the umbilical stump cause a systemic infection known by various names such
as shigellosis, naval ill, joint ill, or polyarthritis. This infection causes
severe illness or death in foals and causes swelling and deformities in the
foal's joints.
You should examine the naval stump for several days
after birth to make sure that it remains dry. Urine dripping from the stump
indicates the fetal urine passage from the bladder to the umbilical (the
urachus) has not closed. Normally the urachus closes at birth. If it fails
to close, in a condition called "persistent
urachus", the foal should be treated by a veterinarian.
Usually, foals stand within one hour after birth. During the first standing
attempts, the foal is unsteady and constantly shifting its head, neck and feet
in an attempt to remain balanced. This unsteadiness is normal, and you should
let the foal stand by itself. Lifting the foal on its feet before its legs
are strong enough to support it may strain tendons and ligaments and interferes
with the bonding process between the mare and foal.
Nursing. When it stands, the foal should begin nursing
attempts. The foal instinctively searches at the junction of the mare's
legs (both front and back) and body for the udder. The exploratory process
involved with finding the udder is normal, and, again, you should resist
the desire to "help" the
foal. Human interference during initial nursing attempts actually may slow
the foal's progress in finding the udder and it interferes with the mare-foal
bond. However, if the foal has not nursed by two hours after birth or if
the mare aggressively rejects the foal's attempts to nurse, then it is time
to interfere. Help the foal stand up and gently guide it to the mare's udder.
Hand milk a few drops of colostrum (the mare's first milk) from the mare
and coat your fingers and the mare's teats with it. Get the foal to suck
your finger coated with colostrum and gradually move your finger beside the
mare's teat. Then, slowly pull your finger out of the foal's mouth so the
foal will switch to the teat. This procedure may have to be repeated several
times before the foal makes the switch to the teat. Occasionally a young
mare or a mare with a swollen, sensitive udder will have to be restrained
for several nursing sessions before she willingly lets the foal nurse. If
the mare does not accept the foal after a few nursing bouts, you should call
your veterinarian to tranquilize the mare. Keeping the mare tranquilized
for a day or two solves most foal rejection problems. Remember to use extreme
caution whenever you are working with a foal. Normally gentle, well-mannered
mares can become very protective and aggressive if they think you are threatening
their foal.
Colostrum. It is important for the foal to receive colostrum soon
after birth because it contains antibodies needed for disease protection
during the first few months of the foal's life. These antibodies can be absorbed
by the foal's intestinal tract for up to 36 hours after birth, but absorptive
ability begins decreasing drastically at 12 hours after birth. Therefore
it is important that the foal receive colostrum before this time has passed.
Your veterinarian can perform a simple test to determine if the foal has
received adequate protection from colostrum. This test should be done about
six hours after birth. This gives you an opportunity to correct potential
deficiencies in immunity during the time the foal can absorb antibodies from
its intestinal tract.
To insure that the mare has high amounts of antibodies in her colostrum,
vaccinate her approximately 30 days before foaling. If you miss this vaccination
time, make sure the foal is protected against tetanus by giving it a tetanus
antitoxin injection at birth. The tetanus antitoxin is less efficient than
immunity from colostrum because it protects the foal for only two to three
weeks while its umbilical stump heals. Because the foal's immune system is
not mature enough to utilize a tetanus toxoid vaccination until it is three
to five months old, the foal is unprotected for two and a half to three months
if it does not receive protection from the colostrum.
Colostrum has a laxative effect on the foal which helps it pass the fetal
excrement (meconium). Most foals pass the meconium within four hours after
birth. If the meconium is not passed the foal can become constipated. A constipated
foal frequently stops moving, squats and raises its tail trying to defecate.
Constipation can be relieved easily by giving the foal a warm, soapy water
enema (1 to 2 cups) or a prepackaged human mineral oil enema. You should observe
the foal for several days for signs of constipation, and correct any problems.
Foal Health Problems
Diarrhea in the newborn foal is not common and may
indicate a serious illness in the foal. A squirting type of diarrhea can
result in dehydration and death of a newborn foal in a few hours. Immediately
consult your veterinarian if your newborn foal develops diarrhea. However,
mild diarrhea is common in older foals (1 to 2 weeks of age). This diarrhea
often occurs during the mare's foal heat (a fertile heat beginning approximately
seven to nine days after foaling) and is commonly termed "foal heat scours".
In the past, horse breeders thought hormonal changes in the mare's milk
during foal heat caused diarrhea in the foal. Recent research has implicated
an internal parasite ( Strongyloides
westeri ) as the true cause of foal heat scours. This parasite is transmitted
from the dam to the foal through the mammary gland. Foals begin to shed eggs
in their feces 10 to 14 days after birth, resulting in scours that coincidentally
occur with foal heat in the mare. If the foal is alert and nursing regularly,
mild foal heat scours usually do not harm it. However if the foal stops nursing
and becomes weak or dehydrated, consult your veterinarian immediately. You
should keep the scoured areas around the foal's buttocks clean to prevent scalding
of the skin. Wash the area with mild soap and water and coat it with petroleum
jelly to prevent scalding.
Many foals have limb weaknesses or angular deformities at birth. These include
knuckling over at the fetlock joint, weak pasterns in which the back of the
fetlock touches the ground, knock knees and crooked legs. Many of these conditions
correct themselves with exercise. If your foal is born with less than straight
legs, your veterinarian can assess the situation and recommend a treatment.
Some foals may be born with hernias (defects in the body wall that allow
part of the intestines to protrude under the skin). Hernias occur most frequently
at the naval and scrotal areas. Small hernias often correct themselves with
time, and larger hernias may require surgical correction. Again this is a situation
that your veterinarian should assess and recommend a treatment.
Occasionally the newborn foal's eyelids and lashes
are turned in toward the eye rather than turned out normally. This is a
condition called "entropion" and
causes tearing and irritation of the eye. If your foal has entropion, gently
roll the eyelid out and consult your veterinarian for the proper eye ointment
or treatment that you can perform.
Another infrequent problem in newborn foals is caused
by an incompatibility between blood groups of the mare and foal. This condition
is known as "neonatal
isoerythrolysis" or "jaundice foal". Antibodies to the foal's red blood cells
are formed by the mare and secreted in her colostrum. When the foal nurses
and absorbs these antibodies, its red blood cells are destroyed. Without
prompt veterinary treatment, the foal becomes anemic and dies. If you suspect
neonatal isoerythrolysis, prevent the foal from consuming colostrum until
you can get a veterinarian to test for the condition.
Care Of The Mare
After foaling, you should allow the mare to lie quietly as long as possible.
This allows the mare a rest period after birth and prevents premature breaking
of the umbilical cord. Most mares will stand within 15 minutes after birth.
After standing the mare begins licking the foal vigorously. The mare is attracted
to the birth fluids on the foal and she bonds to the foal when licking off
these fluids. You should not interrupt the mare or dry the foal (unless it
is cold enough to threaten the foal's health) because it might interfere with
the bonding process.
Most mares expel the afterbirth within one hour after delivery. If the afterbirth
has not been expelled after three hours you should get your veterinarian to
treat the mare. Retained afterbirths can cause colic, founder (laminitis),
or septicemia in the mare. You should never pull on the afterbirth because
this can tear it and allow retention of small pieces. Never cut off the expelled
portion of the afterbirth or tie it up to the mare's tail because its weight
helps gradually pull it away from the mare's uterus. If the mare is bothered
by the afterbirth swinging around her hind legs, tie the afterbirth in a ball
with a piece of twine until she delivers it.
Spread the afterbirth on the ground after delivery and examine it carefully
to make sure no small pieces have been retained. A normal afterbirth consists
of a large sack (allantochorion) that is a shiny grey-white color on the outside
and a velvety red color in the inside, a sack that immediately surrounds the
foal (amnion) and the remains of the umbilical cord. Piece together any broken
pieces to make sure the complete afterbirth was expelled. Then, weigh the afterbirth.
A normal afterbirth should weigh about 11% of the foal's birth weight (about
10 to 14 pounds for most riding horse breeds). A heavy placenta (around 20
pounds) or one that is bloody in appearance may indicate a uterine infection,
and the mare should be checked by your veterinarian.
Check the mare for several days after the delivery for any signs of reproductive
tract infections. A slight watery, blood-tinged discharge is fairly common,
but a thick, whitish discharge usually indicates a problem that may require
veterinary care.
Care of Orphan Foals
Orphan foals can result from death of the mare, inability of the mare to
produce milk, or maternal rejection of the foal. Orphan foals can be raised
successfully with some extra care. As with mothered foals, you should make
sure the orphan receives colostrum soon after birth. If the foal cannot receive
its mother's colostrum, try to locate frozen colostrum (large breeding farms
and your veterinarian are good sources). Thaw the frozen colostrum at room
temperature. Microwaving or heating the colostrum can destroy the protective
antibodies in it. In the absence of any colostrum, your veterinarian can give
the foal a plasma transfusion or an oral colostrum replacer to get antibodies
into its system.
The best and easiest solution for an orphan is to transfer it to a nurse
mare. To transfer the foal, disguise its odor by rubbing whiskey, linseed oil,
the foster mother's milk, urine or feces, or any other liquid with a strong
odor on the foal. Rub the same odor around the mare's nose. The nurse mare
usually must be restrained or tranquilized for several days until she willingly
lets the orphan nurse. Another solution is to let the foal nurse a milk goat.
This is a good temporary solution, but most goats cannot produce enough milk
daily to meet an older foal's nutritional needs. You will need an elevated
area for the goat to stand during nursing (a few bales of hay make a good temporary
platform) and you should pad the goat's horns to prevent it from hurting the
foal. If these options do not work you will have to bottle-feed or bucket-feed
the foal with a mare's milk replacer. There are several recipes for mare's
milk replacer; however the commercially available formulas are nutritionally
balanced for the foal and easy to mix and use. Whenever possible, teach the
foal to drink from a bucket. This will save you many hours of lost sleep and
time away from work. To teach the foal to drink from a bucket, coat your finger
with milk and allow the foal to suck your finger. Gradually immerse your finger
in the bucket of milk. Waiting several hours between feedings so the foal is
hungry often speeds up the learning process. If the foal does have to be bottle-fed,
hold the bottle at the approximate height of a mare's udder so that the foal
nurses in a natural position. If possible, use a bottle holder so that the
foal does not assume you are its mother. You want the foal to learn it is a
horse and to respect humans. You should quickly and consistently discipline
the foal for inappropriate behavior (biting, kicking, shoving, rearing) directed
toward you. Orphans which are bucket-fed or bottle-fed and those nursing a
milk goat should be introduced to other horses as soon as possible so they
will be develop normal equine social behavior. Putting an old, quiet mare or
gelding in the pen or stall next to the orphan promotes normal social behavior.
If your older horse can be trusted not to hurt the foal, turn them out together
as soon as possible.
A healthy foal nurses from its mother up to seven times an hour for 60 to
90 seconds each time. A newborn orphan should be fed at least every 1 to 2
hours during their first week of life. Free-choice milk intake is recommended
for healthy foals. During the first 2 days of life a foal should drink about
10 to 15% of its body weight daily. For the next 5 days the foal's intake should
increase to 25% of its body weight daily. When either bottle-feeding or bucket
feeding foals, make sure your feeding equipment is clean and milk does not
sour between feedings. Orphan foals always should have access to water and
salt. Orphans should be offered grain, milk replacer pellets and hay after
a few days of life. However, the foal may not consume much solid food until
it is about 1 month of age.
A New Foal Check List
Several simple post-foaling management practices will help insure the health
of your mare and foal. A checklist follows.
- Make sure the foal is breathing.
- Iodine the foal's umbilical stump.
- Make sure the foal (including orphan foals) receives colostrum soon after
birth.
- Make sure the foal is protected against tetanus, either through the colostrum
or by a tetanus antitoxin injection.
- Make sure the foal passes the meconium and treat constipation or diarrhea
promptly.
- Check the umbilical stump for several days for the presence of urine.
- Check that the foal's eyelids and lashes are turned outward.
- Follow your veterinarian's advice about any limb deformities and hernias.
- Make sure the mare expels the afterbirth and check it for completeness.
- Check the mare for several days after foaling for any sign of reproductive
tract infection.
To horse owners umfamiliar with raising foals, this post-foaling checklist
may seem like a large amount of work. However it only takes a few minutes to
perform these management procedures, and then you can relax and enjoy your
new foal knowing that you have done your best to insure its well-being.
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