How many piglets does a sow have when she gives birth?

Pigs as mammals.

It reproduces in the same way as other mammals, and is viviparous. Sows can produce about fifteen piglets at a time, but this number is not fixed and constant, and there will be some changes depending on factors such as the age of the sow, parity and mating technology, and the sow breed. If you want sows to be highly productive, you should select the offspring of high-yielding sows for cultivation when selecting breeds, and prepare boar breeds that have a high yield record for them at the time of breeding.

At the same time, it is also necessary to make some changes in the feeding feed, which should be mainly concentrated with a large amount of protein and calcium when feeding, and the feed should be high in nutrition and high calorie to ensure the nutritional supply of sows, and at the same time, it is also necessary to feed some green fresh feed, so that sows can obtain enough dietary fiber.

During the pregnancy of the sow, it is necessary to carry out single lap feeding to avoid the sow from abortion due to crowding, but it is also necessary to let it out of the circle exercise appropriately, and walking and proper exercise can ensure the health of the sow. In addition, the farrowing room should be prepared when it is about to give birth, and the first-born sows should be comforted so that they do not bite the piglets.

Of course, for sows, farrowing is much more than it seems, sows can discharge more than 20 fertilized eggs and egg cells in one estrus.

After fertilization becomes a fertilized egg, it will be in the fallopian tube.

After staying for 2 days, it will enter the uterus with the flow of fallopian tube fluid, which not only plays the role of "transporter", but also plays the role of nourishing the embryo, because the nutrients stored in the yolk of the fertilized egg do not meet the embryonic development.

In order for the fertilized egg to survive, it must be drawn from the environment, and in order to meet the nutritional needs of the embryo, the fallopian tube fluid also changes as the embryo develops.

Although sows can discharge more than 20 or even 30 fertilized eggs at a time, about 30% of the fetus will be damaged from egg cell formation to embryo implantation, plus stillbirths and mummies in the second and third trimesters of gestation.

In the end, the sow can only produce a dozen piglets per litter. Therefore, in order to increase the litter size of sows, reducing the mortality of the fertilized egg and the embryo implantation is one of the key.

It is normal for sows to give birth to 10-14 piglets in a litter, the gestation period of this animal is about 110 days, and 2-3 litters can be produced in a year.

Seven or eight. Because the sow has such a big belly. And there can be many fertilized eggs at one time. A lot of piglets will be born.

Generally, it takes two to three hours, and the first one is after the amniotic water breaks, and it may be about 30 minutes. If you give birth to piglets at intervals, it may be more than ten minutes, and there are also two or three piglets in a row, but the risk is also very large, of course, it is also related to some of the sow's production capacity.

Then we have to pay attention to the fact that when the litter is finished, the afterbirth is discharged in about half an hour.

Speaking of which, there is another thing to pay attention to is that we should pay attention to the gestation period of the sow, generally 114, if it is exceeded, we generally recommend artificial midwifery.

For your second question, yes, a sow already has milk before giving birth. So, we don't have to judge by this, I'm not saying that this method is not feasible, but there is a better way, what is it? For example, the sow is irritable for twenty-four hours before giving birth.

Hello, in general, pigs can mate between 5 and 12 months after birth, and most of them will be mated at the age of 12 months. It usually takes a year from the birth of the sow to the time it gives birth to the piglets, its gestation period is about 4 months, the lactation period is about 30-35 days, and the empty period is about 10-15 days. From the second time it reproduces, it is necessary to pay attention to its reproductive cycle.

Native breeds of gilts can give birth to piglets for 7-8 months, and cultivated breeds of gilts can give birth to piglets for 8-9 months. Coupled with the fact that the gestation period of the sow takes about 114 days, it takes about a year for the sow to go from birth to the piglets. Sows are multi-fetal breeding animals, in the general situation, adult sows can give birth to about 10 piglets, can breed for 10-15 years, but 2-3 years old pigs are better.

Hope it helps.

Introduction: With the ** of pork getting higher and higher? Many people have a strong interest in raising pigs, and then the question of raising pigs will arise, so how many piglets can be born at most with a breeding pig?

Is it possible to raise a pig to give birth to many, many piglets? In fact, raising a breeding pig can give birth to a dozen at most, but the highest record in the world is more than 40. So how can you increase the production of breeding pigs?

1. According to the condition of the breeding pigs, the most productive breeding pig in the world, the record held is 42 at a time, which is related to its breed. If the breed is a good breeding pig, the better the pig breed it will have, and the other breeds will be relatively worse, in fact, the age of his breeding pigs, as well as the physical condition of the breeding pigs, will affect the production of breeding pigs, like some famous prolific pigs, such as Taihu pigs, its yield is relatively high, on average one can be about 15 heads. And many of the general cases are eleven or twelve, for this output, it is also involved in other factors.

Second, the breeding technology regardless of the pig itself how good the condition is, but the technology is not in place, then the productivity of the pig is also very low, like Taihu pig, his own production is very much, in the pig ranking is relatively high, but if its breeding technology can not reach, then his production will not be very stable, the famous breeding center, his breeding technology is very advanced, in this way, his breeding amount can ensure its stability, generally speaking, its stability can be about 15. If a good Taihu pig is good, it can even give birth to more than 20 piglets.

Third, if the breeding pig itself is in very good condition, and the local breeding technology is also very advanced, then we should pay attention to another factor, that is, his breeding conditions, in terms of feeding, we must pay attention to the nutrition of the breeding pigs. If the nutrition is not enough, it is easy to have an impact on the production of breeding pigs, resulting in malnutrition of breeding pigs, which leads to the stunted development of piglets, resulting in reduced production, so a good farm will ensure that his feeding conditions can feed breeding pigs nutritionally.

This is related to the breed, once a litter in the world gave birth to a maximum of 42 piglets, and in normal times, a breeding pig can also give birth to more than 10 pigs.

A breeding pig can give birth to up to 11 piglets in a litter, and the body of a litter of piglets will be particularly healthy and beautiful.

Normally, a litter can give birth to about 11 to 15 piglets. The number can be said to be extraordinarily large.

I think there are up to 6 piglets. It can be seen that the reproductive ability of pigs is very strong, and the newly born pig baby is very cute, and many people like the pig baby very much.

A litter with the most breeding pigs can give birth to 42 piglets, because the breed of this pig is relatively good, and it is related to the type of pig.

A maximum of 10 piglets can be born in a litter, which is still very large, and the survival rate of piglets is also very high.

It takes 12 to 14 months for piglets to farrow.

2 litters a year, the number of births per litter depends on whether the baby is primiparous, feeding during pregnancy and prenatal weight. Now the lactation period is basically shortened to 3 to 4 weeks, and it looks like 2 or 3 children a year. The number of litters should be determined according to your sow breed, feeding conditions and other factors, generally 6-10 sows at the tail of primiparous sows and about 10 sows at the end of the multiparous sow.

Postpartum care of sows should do the following:

1. In general, after the sow farrowing, it is necessary to pay attention to check whether the sow placenta is completely discharged. When it is difficult to pass the placenta, the sow can be injected with a certain amount of oxytocin, which helps to expel the placenta.

2. Inject an appropriate amount of drugs to prevent endometritis in sows. It is generally advocated to inject posterior pituitary hormone after the first piglet is born to promote uterine recovery and reduce bleeding. 1 to 3 days after giving birth, inject penicillin, streptomycin, Houttuynia cordata and other drugs to prevent the occurrence of endometritis.

4 to 5 days after farrowing, pay attention to increasing the activity of the sow.

3. Pay attention to the heat preservation of piglets, according to the specific situation, according to the specific situation, the piglets sleep with bedding grass, keep the house clean and dry, and prepare hay bales above the piglet nest when it is cold. Infrared lamp insulation method can be used if conditions permit. The optimal ambient temperature for piglets is:

1 7 days old is 32 28 days, 8 30 days old is 28 25 days, 31 60 days old is 25 23 days.

The sow is pregnant for about 114 days, the lactation period is 60 days, and the empty pregnancy period is 10 days, a total of 184 days, which is the previous pig breeding method, 2 litters a year.

The number of births per parity depends on whether it is primiparous, feeding during pregnancy and prenatal weight; Nowadays, the lactation period is basically shortened to 3 or 4 weeks, and the appearance of a baby is a year. There is also the question of variety.

A normal litter of piglets can be born in a year.