Pregnancy and whelping

The bitch dog's pregnancy time will vary between 58-71 days (small dogs have shorter pregnancy time). The pregnancy lasts about 60 days on first-timers and on the following times about 63 days (so whelping happens usually two months and two days after the service). The observation should be begun ever with 59 day because the whelping can begin already couple of days earlier. The pregnancy time is dependent since the time of the ovulation (coming loose of the egg cell), which will happen about 9-10 days after the beginning of the heat of the bitch. The actual heat of the heat circulation of the bitch starts from this, when the mating has to take place (the bitch does not let the male do the service during another time).

The male dogs show sexual interest for the first time already about seven weeks old by imitating the stepping of the bitch. This is the normal playing of the puppy and it indeed is necessary for the development of the healthy sexuality. Also the dogs have a puberty and it begins 6-12 months old. Then the number of the sexual hormones (testosterone) will increase with the males and this changes the smell of the urine stronger which is typical to male dogs (this helps other dogs to recognize the dog as an adult dog). Furthermore, the males begin to urinate with their other back leg lifted up (in other words until now also the male dogs urinate just like the bitches). When a bitch has its puberty you found a lot bigger changes in it than in male dogs, because the seasons start and the bitch is sexually mature.

The male dog will become sexually mature about a year old and it is ready to mate always from it. The first heat of the bitch will begin usually when it is 6-12 months old. During the heat the bitch will be ready for the mating only for a few days (about 5 days) and this time will be after 3-17 days from when the heat has begun (it depends on the individual).

The bitch may be mated first time from its second heat or later (so a bitch younger than 18 months may not be mated). Furthermore, the first litter of the bitch should be mated before the bitch fills four years so that the difficult whelping will be avoided. You will surely crash into the situations that a bitch (owned by some other) has whelped from its first heat and these puppies may be even registered by the kennel club in spite of this. This is due to the fact that the breeder has applied for a special permission to register the puppies from the kennel club (Finnish Kennel Club, www.kennelliitto.fi). The reason is very often that the bitch is mated by some dog by accident and often both of these dogs are from the same family). Also when registering with the special permission the breeder has to do the required examinations for the sire and dam of the litter (x-raying, eye checking etc.). This may be done also afterwards.

The mating is performed usually in the male's territory. Usually the male sniffs the moment and then will jump on the bitch. The male usually is lucky to get its penis into female after a couple of tryings but if it will not go this way, the human being can help by moving the bitch to a suitable position (you should not touch to the male, because this may cause it is not interested in mating the bitch anymore). After the successful service the male will be caught to the bitch for about 15 minutes from its penis (bulbus glandis). Even if the service was not a hoped one (happened by accident), it is irrational even try to interrupt the service at this stage with violences because the ejaculation has usually already happened. Furthermore, the violent separating may cause the hurting of both dogs. When "a couple" is attached to each other, a bitch has to be held on its places so that it will not cause damage to the male.

The conception do not need necessarily to take place at the service moment. The spermatozoa may keep its ability for conception as many as for six days in the sexual organs of the bitch after the mating. Furthermore, it is possible that the bitch will become pregnant and there might be puppies from two different males growing inside the bitch! The egg cell which has concepted will fasten on the womb wall after 11-23 days of the service. The fourth stage of the heat circulation of the bitch (the after heat, metestrus) has now begun when a pregnancy hormone (progesterone) is secreted to the blood. In other words the pregnancy has begun.

During the pregnancy time the energy requirement of the bitch considerably increases and its food requirements must also be satisfied. Do not let your bitch to lose weight, because it may cause some problems in the milk secretion. But do not also let your bitch to gain too much weight, because this may cause some difficulties in whelping and also deaths of the puppies may be caused by overweight of the dam. You should also worm and vaccinate the bitchso thet the puppies will not get any parasites or disease. The vaccine given to the dam will also protect the puppies for those first weeks of their lifetime.

The pregnancy is first stated manually by feeling with hands or on the basis of ultrasonic or x-ray examination. The study done manually is often more difficult caused by among others the number of the fatty tissue, the body physique of the dog and the behaviour of the dog. The ultrasonic examination can be made within about 3 weeks of a mating in which case the structure of the foetus and heartbeats can be seen. However, it is not possible to tell the number of the puppies with this examination. The x-ray treatment can be used to secure the number of the puppies also but this examination succeeds on only about 45th pregnancy day when the calcification of the spine of foetuses has begun. According to the breed, the litter size varies a lot and usually the small dogs give birth to less puppies than bigger breed individuals.

The behaviour of the carrying bitch begins sometimes to become a bit nervous and restless at the final stage of the pregnancy. Some of the bitches might be also aggressive on unknown people. The fact that it begins to follow the owner tightly is also very typical. Sometimes it may make small walkings outside on the yard or may turn in the room but mainly only laying on the sofa. Furthermore, the bitch may begin to dig its corner or a floor like to make the nest for the puppies. This behaviour originates already from the ancestors who dug the nest in order to protect their puppies.

The metestrus (after heat), in other words the pregnancy time ends in the birth. So this will take place after about 58-71 days from the mating. When "this calculated time" begins to approach, "a peaceful, familiar and warm hole in which it feels in peace" has to be reserved from the home for the bitch for the safe whelping. When a whelping begins to be near, the dog may not be left alone. The owner should be near for the possible problems. The body temperature of the bitch should be measured 2-3 times a day during the pregnancy time's last two weeks. When the body temperature decreases with a degree, in other words into under 37 degrees, the birth usually will begin within next 6-18 hours. If it takes more than 24 hours from this measuring and the whelping has not started, you should contact the vet.

The whelping will begin with the “opening stage” which lasts for 6-20 hours. The bitch is restless and pants at the same time making the nest. At this stage contracts are not seen. A slime may flow from the vagina.

The second stage, in other words the “exertion stage” lasts for 2-6 hours and the uterine orifice has already opened and the contracts will begin. The contractions also strengthen and become regular. The amniotic fluid also will come out at this stage (a outer foetal membrane bursts). Usually only about one hour elapses since the beginning of the exertion stage when the first puppy sees the daylight (however, they do not have eyes open....). If time has elapsed for already more than two hours and no puppies are born, the veterinarian has to be contacted. The bitch will always use about one hour to whelp one puppy (at intervals of half  an hour one puppy is born). Usually 1-10 puppies will be whelped (sometimes even more!).

When there is time for the afterbirth the placenta will come out. This takes place by every puppy separately, in other words the “exertion stage” and afterbirth alternate so long that all the puppies have been whelped. The placenta will come out for 5-15 minutes after the puppy's birth. The dam removes the foetal membranes from the top of the puppy and dries the puppy by licking it. The umbilical cord the dam cuts and then eats the placenta. Sometimes the dam can fail in the removal of the foetal membrane and in that case the owner should help the dam so that the puppy would be able to breathe. In all the actions a carefulness has to be followed, in other words do not intervene too disturbingly when your dog is whelping. The dam has to be encouraged to clean puppies because it is an extremely important event which combines the puppies and the dam. The eating of placentas can cause to dam diarrhoea even though on the other hand this increases the milk secretion. Let the dam eat a few placentas and destroy the rest. After the birth it is important the puppy to absorb the dam's milk fast so that its organs would get the antidotes needed. Already after a day the percentage of antidotes in the milk will considerably decrease.

You must resort to the vet's help if before the first puppy's birth it leaks some green fluid from the vagina of the bitch (this is a sign of coming loose of the placenta which causes puppies cannot get oxygen any more). Also contact a vet if:

The bitch requires much energy and calcium after whelping so attention has to be paid to this need when feeding it. This is due to the fact that they lose much calcium and other nutrients with milk which the puppies are eating. After whelping it might be the bitch does not want to eat for a day, but this is normal.

The puppies are blind and deaf when they born and the sense of smell also has developed only weakly. So the only sense that directs functions on the puppies is a touch. The small puppies are extremely sensitive to cold, to touch and pain, in other words they have to be extremely carefully dealt with. The first days of the puppies indeed will go only to the supplying of the nourishment (in other words for the absorbing of milk).

Even the inexperienced dam can usually take care right of her puppies beginning from the whelping until the withdrawal, in other words the nature knows what to do to continue the species. With some dog breeds the breeding may have caused, the fact that the dog needs the help of the human being in the service, whelping and the puppies' care (a little help is needed by almost every bitch in puppies’ care of course). But you may not help the dog "too much" because this only causes the bitch will not take care of its puppies even in the future (it lets the owner make it). In other words as the reason for the lack of the dam's interest in the taking care of puppies can be a human being but the pathologic reasons (the variation of hormones) also. Still the help has to be given for the dam and you should watch that the dam does not injure the puppies neither on purpose nor unintentionally.

Never prevent a bitch from licking its puppies or cleaning the puppies' excrements out of the nest (by this it cleans the nest and prevents parasite infections). When the puppies begin to become interested in the outer world and to move, you should let them to play together and of course around the dam. This is important part of the socialising time of the puppy. The separating of the puppies should start when puppies are 5-8 weeks old. They should learn how to live without their brothers and sisters even a moment (become used to the people and life without the brothers and sisters). If you do this too late, the puppy may become  highly strung, too dependent on their brothers and sisters and this way and perhaps even troublemaker.

After the whelping the dam will soon start to offer for feeding to puppies by laying down its stomach towards the puppies and by licking them to offer absorbing. Sometimes the dam produces too little nourishment, in other words milk to the puppies and the owner has to supplement minor breast feeding. The breast feeding thins little by little, in other words at some stage the dam will not offer for absorbing and the puppies hurry to look for the teats spontaneously. The dam usually stands when the puppies absorb and it begins even to avoid absorbing attempts. When milk begins to diminish as a nourishment, the dam will begin to feed puppies by vomiting to them the food in its stomach. Do not prevent puppies from eating this because it is well digestibling food for them. However, the domestic dogs do not often do this because the owners usually take care of the puppies so good that the dam does not need to vomit a nourishment to her puppies.

Used as the sources of this text:

Spaniels (Ullman Hans & Evamaria 1981)
Own dog (Ulla Kokko & Veli-Risto Cajander & Rilla Nummisalo 2000)
Home vet of the dog (Sari Haikka, Gummerus 1995)
We dogs (Giorgio Andreoli, Tammi 1991)