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How to control the death rate of newborn piglets?

2021-01-22

The death rate of newborn piglets is always unavoidable in large-scale pig farms. Especially now that the price of piglets is so high, every piglet that dies is an economic loss. As a pig farm manager, how can we control the death rate of newborn piglets? Then, we should first understand the reasons for the high rate of death of newborn piglets, and secondly, master the prevention and control measures to reduce the rate of death.

First. Understand the reasons for the high rate of death of newborn piglets
 
1. Insufficient piglet vitality
 
At present, it is the most one litter sow stage in the history of our country, and the proportion of ternary sows has reached about 50%. The number of litters of ternary sows is less than that of binary sows. One-feet sows are dystocia, lack of nutrition in the late pregnancy (rapid fetal development stage), and the feeding amount is small or even the fetus is not attacked. This leads to lighter birth weight of piglets. The proportion of piglets whose birth weight is about 1 kg increases significantly. Insufficiency and low resistance have led to more scourges.
 
2. Rough delivery operation
 
In order to improve the per capita efficiency, the position allocation in the delivery room is tight, and the employees are on shifts. There are often only one less than one employee in a unit (80 delivery beds) to perform related work. Moreover, due to the closure and expansion, the old pig farms There is a serious shortage of employees, most of which are new employees. They are not skilled in various operations and lack awareness of the importance of docking. In the current high market conditions, senior managers are more concerned about the stable production of pig farms, mainly monitoring biosafety work. In order to reduce risks and reduce exposure to pigs, piglets are only sprinkled on piglets after they are born. Some dry powder operations have caused cold stress in piglets, chills, trembling, loose piles, and inability to eat colostrum in time, resulting in a significant increase in death.
 
3. Decreased motherhood of sows
 
Due to the narrower birth canal, sows with one litter are more painful during farrowing, and are more likely to have difficulty giving birth. The birth canal is more damaged, and then metritis occurs, and sows often have poor mammary glands and more sensitive skin, and piglets are painful when feeding. In addition, the lower feed intake of one-feet sows during lactation will aggravate the decline in milk quality. If postpartum care is not in place, it will be difficult for the sows to recover their appetite and inflammation after delivery, and the milk is getting worse and the sows are uncomfortable. , The motherhood of the sow will be greatly reduced, and the situation of piglet diarrhea and crushing will be greatly increased.

second. Measures to control the death rate of newborn piglets
 
In the current non-pest situation, how to effectively solve such problems in pig farms, I personally believe that we still need to grasp key issues and manage them accordingly. In fact, in the farrowing unit, employees often use a broom to clean all the feces of the sows and a shovel to clean all the sows’ troughs. There are also loopholes in the biosafety disinfection work when performing operations such as cutting teeth, tails, irons, and castration. There is also a case of drastically adjusting the column. How we should do it, we still have to do it, especially the operation that is extremely critical to the health of the mother and child. How to improve it, from the perspective of practical implementation and landing, it is recommended to strengthen the following aspects.
 
1) Monitor the birth process of sows, and find out the problem of long dystocia sows in time, and effectively solve the problem. After the piglets are born, try to dry the whole body of the piglets and administer 2ml of kinetic energy to enhance the vitality of the piglets and assist the piglets to eat the first colostrum; It is necessary to clarify that the whole process of sow delivery must be monitored. The purpose of monitoring is to reduce stillbirths during delivery, detect abnormal sows in time, and improve piglet vitality and viability.
 
2) Secondly, all preparations for delivery should be adequate. Before the sow farrows, be sure to prepare the utensils to be used during delivery, such as: a soft cloth to wipe off the mucus on the piglet, dry powder, potassium permanganate, disinfection bucket or basin, heating lamp, mop, etc., The most important point is that the vulva and udder of the sow should be disinfected and cleaned with 0.1% potassium permanganate water, and the piglets should be protected as much as possible to prevent the sow’s feces from sticking to the body.
 
Thirdly, the production operation must be standardized. After the piglet is born, the body and oral mucosa should be removed immediately to avoid suffocation. Large-scale pig farms pay more attention to the cloth or towel used to wipe the slime on the piglets. Some use soft cloth that has been disinfected, and some use dry powder for piglets. It is recommended that you must pay attention to every delivery. A small part, because the newborn piglets have thin skin, they must be disinfected with a soft absorbent cloth before wiping to ensure the health of the piglets.
 
3) Adjust pens in time. According to the sow’s ability to carry piglets, conduct reasonable penal adjustments between 6 and 24 hours to minimize the frequency of penalizing and the number of piglets. The key is to take good care of the sows and let each sow Pigs have strong piglet ability;
 
4) Do a good job of training the piglets, put the piglets in the incubator before the sow is fed within 3 days of age, and after the sow has eaten the feed and lie down, let the piglet out for milk. Special attention should be paid to regulating the environment temperature of the farrowing room. Newborn piglets have strict requirements for temperature, because the newborn piglets have imperfect body temperature regulation function, their skin is thin, the hair is thin, and the subcutaneous fat is less. The newborn piglets themselves produce less heat and lose more heat. Therefore, newborn piglets are susceptible to cold and damp attack and die. Usually newborn piglets can be insulated with electric heating plates or incubators. The small environment temperature of newborn piglets should be controlled at 32~35 ℃. As the piglets grow, the small environment temperature will gradually decrease (decrease by 2 ℃ every week). It is best to control the house temperature around 25 ℃ before and after weaning.
 
5) For mastitis sows and sows with weak piglets, boluse milking, clear the sow milk duct, ensure that the piglets eat colostrum, and take good care of the sow.
 
6) There are pre-plans for the handling of suspended animation of newborn piglets. Individual newborn piglets did not breathe at birth due to the mucus in the mouth after birth or the sow’s long delivery period. Pay attention to the beating of the umbilical cord to determine whether the piglet is suspended for death, and then rescue it in time. Hold the piglet’s two hind legs with both hands and hang upside down. Pat the base of the tail with your hands, or grab the head with one hand and the tail, press back and forth with the chest as the center until the piglet has a reaction and resumes breathing.
 
7) Anti-crushing. Another important aspect is the prevention of crushing. The whole process of sow delivery must be monitored. In addition, for sows that have just given birth, they must be nursed during the day and night within 72 hours, especially for first-born sows and sows whose milk is not ideal. And larger obese sows. For piglets born with eight-shaped legs, they should be treated with bandages.


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