1. About 21 days before the sow is born, genetically engineered seedlings K88-K99 for the sow. This will reduce the chance of yellow and white piglets and outbreak of edema disease after weaning. In addition, three days before the expected date of production, the piggery was completely disinfected with a 1:100 concentration of farmhouse or a 1:400 concentration of detoxification, and the grass was removed from the sheds and replaced with clean, soft grass.

2. Early enough to eat colostrum

Colostrum within 3 days to 4 days after sow is not only rich in nutrients, but also contains protective antibodies. Piglets can enhance disease resistance. In addition, colostrum has a laxative effect that can help the piglets excrete meconium. After the piglet is born, it must not exceed 2 hours at the latest and should be allowed to eat enough colostrum. Piglets who cannot eat colostrum are difficult to survive.

3 strengthen insulation

The suitable temperature for piglets was 35°C for primary, 1 day of age - 3 days of age at 30°C-32°C, 4 days of age - 7 days of age 28°C - 30°C, 15 days of age - 30 days of age 22°C - 25°C. The insulation measures are as follows: 1. A special delivery room should be set up to make hay and heat the piglets. 2. Infrared warming method. On the side of the piglets about 40 cm -50 cm, suspension of 150 watts -250 watts infrared light bulb 1, this method can keep the bed temperature at about 30 °C; 3. Plastic shed insulation method. Generally can increase the temperature of 5 °C -10 °C.

4 to prevent death

To set the nursery bar, in the sow house, place small round logs or bamboo rafts on the wall close to the bed, 20 cm to 30 cm away from the walls and the ground. The nursery bar is covered with grass to protect the piglets from self-heating and to prevent freezing and squeezing of piglets, especially when the sows are defecate and give milk. For the sake of safety, it is best to use a brick wall to separate and install a nursery room. The pigs are allowed to enter and leave freely. The infrared light is attached on the top, the bottom is covered with wood, and the brick wall is covered (a woven bag, etc. can be used to make it easy to lift). . Piglets rest comfortably and grow robustly.

5. Fixed nipple

Piglets should be evenly developed to prevent sow occlusion and mammary atrophy. The method is to fix the weak piglets on the front 2nd and 3rd nipples each time during the 3 days after giving birth. Each pig has 1 nipple to prevent the strong piglets from squeezing small, right and wrong positions. To correct in time, after 3 days to 4 days of training, the piglet can feed on a fixed nipple.

6. Feeding triglyceride

Within 12 hours after birth, the piglets are fed with triglyceride, 12 ml per head, to supply sufficient calories. According to trials, supplemental triglycerides, the survival rate of newborn piglets can be increased from 75% to more than 85%.

7. Selenium supplement iron

Usually 3 days old iron supplementation, intramuscular injection of blood or dextran iron 1 ml, 10 days after injection, can prevent iron deficiency anemia. For selenium deficiency, selenium should be given 3 days after the birth of the piglet, and 0.5 ml of 0.1% sodium selenite solution should be injected intramuscularly. After weaning and then injected once, it can prevent piglet white muscle disease and promote water absorption in piglets. Pig farmers can also dissolve 2.5 g of ferrous sulphate and 1 g of copper sulfate in 1000 ml of clean water. After mixing and dissolving, use 2-layer or 3-layer gauze filters to store them in glass bottles. When the piglet is too small, drop the above solution onto the sow's nipple with a dropper to feed the piglet twice or three times a day. When the piglet is slightly larger, the solution can be added to the feed and allowed to be eaten. 10 ml per head per day.

8. Early feed

Feeds supplemented by piglets should be selected from high quality extruded piglets and pelleted piglets. Normally, piglets start feeding at 3 days of age and 5 days of age (the amount is small), and the piglet gradually adapts about 10 days, so that it can feed normally. Supplementation can increase piglet growth, increase weaning weight and sow utilization. Feeding organic acids in piglets can increase the acidity of the digestive tract, activate certain digestive enzymes, increase the digestibility of feed, and reduce the incidence of digestive tract diseases in piglets; it can also regularly add antibiotics to feeds and drinking water according to local conditions. .

9. Pre-immunization of piglets (pre-immune immunization)

After the piglet was born, the body was wiped, umbilized, and cut (8 cuts of the front teeth and the canine teeth were smoothed out to prevent the occurrence of sow mastitis and prevent the piglets from fighting for the nipple to cause facial injuries). After a series of production tasks such as weighing, piglets were injected with 1 ml of attenuated porcine plague vaccine. After 1 hour, the piglet was sucked into colostrum. At 60-day-65 days of age, immunizations are given once more. This method can overcome maternal antibody interference and enable piglets to gain active immunity as soon as possible, which has unique advantages. Studies have shown that 70-day-old piglets have been able to produce specific antibodies when stimulated by antigens (vaccines). After the piglets are born, their immune function has been perfected. This is the basis for the advance immunity of piglets. Practice has shown that it is best to implement piglet pre-immunization in affected areas, especially in areas where pigs are repeatedly outbreaks, because the method can quickly control the epidemic in the affected area, and it can be used to control the continual incidence of swine fever. Significant effect.

10. Grasp the castration (no boar stays) time

Now, some farmers are weaning piglets, which is not good. The correct course of action is to wean the baby 1 week after castration (18 days of age) and try to control the feed intake of the piglets 1 week before and after weaning to make the piglets feel a little hunger.

11. Implement early weaning measures

The weaning of 28 days old and 35 days old can improve the feed utilization rate of piglets, and can get more litter weight at the 60th day of age. It is also conducive to timely estrus and breeding of sows and improve the economic benefits of sows. 12. Preventing diarrhea and other infectious diseases

The milk concentration of the sow's nipple should not be too strong, because the excessively concentrated milk of the piglets cannot digest and absorb, and it will cause diarrhea. Therefore, the sows should be fed with another green feed or silage to prevent the piglets from diarrhea and white diarrhea. Piglets should also be given the necessary vaccine to prevent paratyphoid fever and streptococcal disease.

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