"The Stages of Canine Labor:
When Your Dog Gives Birth
Ron Hines DVM PhD 4/21/06
Over ninety-eight percent of all dogs deliver their puppies without assistance or complications. But when our beloved pet or a sheltered stray is set...
"The Stages of Canine Labor:
When Your Dog Gives Birth
Ron Hines DVM PhD 4/21/06
Over ninety-eight percent of all dogs deliver their puppies without assistance or complications. But when our beloved pet or a sheltered stray is set to deliver puppies it is comforting to know that things are proceeding without hitches and on schedule. Here are some of the things that should happen as your dog begins to deliver her puppies.
Just Before Labor Begins: canine labor pregnant birth dog puppies
Pregnancy in dogs last approximately 63 days (56-69 days). Toy breeds may deliver a week earlier while large breeds often deliver later. Two weeks before your dog’s due date, begin to take its temperature at noon. Purchase a rectal or oral thermometer but use it rectally. You can lubricate it with margarine or KY jelly and insert it about an inch. Leave it in place for three minutes. Your dog’s temperature should be between 101 and 102.5 Fahrenheit. When the pet’s temperature drops below 100F she should deliver the pups in less than twenty-four hours.
Stage One of Labor:
During the first stage of labor the cervix begins to dilate and uterine contractions begin. These contractions are painful and perplexing to the dog. She will appear quite uncomfortable and restless - pacing, shivering and panting. She probably will not eat and she may even vomit. Some dogs whine persistently. Others occupy themselves building a nest. Uterine contractions, although occurring, are not as easy to see as in humans. This is the longest stage of labor. It generally lasts six to eighteen hours. By the end of this period the dog’s cervix will have completely dilated for the puppies to pass. During this period keep the mother’s environment quiet and calm. I usually shut them off in a darkened area such as the bathroom.
Stage Two of Labor:
During the second stage of labor uterine contractions begin in force. As this stage progresses the placental water sacks break and a straw-colored fluid is passed. Placentas are expelled after each puppy or sporadically during labor. Pups usually appear every half-hour or so after ten to thirty minutes of forceful straining. As the pups deliver, the mother will lick the puppy clean and bite off the umbilical cord. It is important to let the mother do this, if she will, because through this process she bonds with her puppies and learns to recognize them as her own. The rough licking of the mother stimulates the puppies to breathe and improves their circulation. The mother will probably eat some of the afterbirths. If the bitch does not tear away the sac and lick the pups to stimulate respiration, the owner should tear the sac open, clear all fluid away from the pup's nose and mouth, and vigorously rub the pup to stimulate breathing.
It is not uncommon, however, for the mother to take rests during labor and up to four hours can pass between some puppies. If more than four hours have passed without a puppy and you are certain more puppies are present take the dog to a veterinary hospital. Also seek assistance if the mother strains forcefully for over an hour without producing another pup. If you see the rear legs of a puppy protruding from the dog’s vagina you can assist the mother by gently pulling the puppy in a downward and rearward arcing motion. You must do this very gently because puppies are fragile and easily hurt. It is normal for many puppies to be born rear feet first or breach. When a mother dog is stuck in incomplete labor the first thing I do is administer oxytocin and calcium to stimulate uterine contractions. If the puppies are too big to pass through the birth canal or the oxytocin fails to induce successful labor, I perform a cesarean section on the dog.
Stage Three of Labor:
The concept of a third stage of labor is borrowed from human labor terms. It is a very indistinct period in dogs. Once all the puppies have been born the dog enters this third stage of labor during which time the uterus contracts fully, expelling any remaining placenta, blood and fluid.
Midwifery:
After thirty-two days of pregnancy the mother’s appetite will begin to increase. She should begin to eat about twice as much as she used to. When the puppies come and she is producing milk, her food consumption should be about three times as much as it was before her pregnancy.
Purchase a name brand puppy chow to feed her with during these periods. If you do so, there is no need to give her supplements of any kind. There is no need to restrict the mother’s normal exercise but intensive exercise or work training should be curtailed.
Around the forty-fifth day, bring the pet in to be examined by a veterinarian. At this time the vet
will be able to palpate the puppies and give you an indication of how many to expect. If you need to know earlier, then have an ultrasound examination performed about the twenty-fifth day.
Blood progesterone levels can be tested about day 34 to confirm pregnancy.
The puppies will be born still covered by the amniotic membrane. This membrane must be removed from the puppy’s face in order for it to breathe. Most momma dogs are very attentive to the newborn puppy and lick and tear the membrane off. If they are not or you just don’t have the patience to wait, assist the dog in doing this. Peel the membrane away and remove mucous from the puppy’s mouth and nose with a soft towel. Tie a piece of dental floss or thread around the umbilical cord about an inch from the puppy’s belly button and cut the cord distal to the knot.
Serious Problems:
If the mother fails to go into labor within twenty-four hours after her body temperature drops to below 100F you should take the dog to a veterinarian. Do this also if you have calculated that more than 69 days have passed since the dog was bred.
Some dogs will suffer milk failure or insufficient milk before their puppies are weaned. This occurs in older dogs as well as dogs that have another concurrent health problem such as eclampsia, mastitis or systemic disease. These dogs need to be taken directly to a veterinarian the puppies supplemented or raised by hand. Signs that milk is inadequate are thin or lean puppies that cry consistently suck objects around them (or each other) and do not sleep.
It is normal for the mother to run a low fever during the two days after giving birth. I become concerned if the fever is over 102.8, if the dog is drinking excessive water or if she is depressed. These may all be signs of a retained placenta (or puppy) or a uterine infection.
It is normal for the dog to have a copious vaginal discharge following birthing. This discharge normally has rusty reddish or greenish brown appearance. I become concerned when the discharge is pus-like or has a strong odor. This can also be a sign of retained placenta and uterine infection (metritis). Normal cleansing of the uterus can last as long as eight weeks.
Normal mother dogs are bright, alert and attentive to their puppies. She should have a ravenous appetite as she converts metabolites to milk. I become concerned if the mother shows any signs of listlessness or depression. She also needs to visit a veterinarian if she is not attentive to her puppies."
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