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Precautions for all stages of pig raising in winter

In winter, because the living conditions and incidence of pigs at different stages are different, the feeding and management of pigs are also different.     

Experienced veterinary drug agents know that autumn and winter are the peak seasons for sales of veterinary drugs each year, and for pig farm owners, the feeding and management of pig farms in autumn and winter is also a critical period to test the level of pig farm production management. Only if pigs are raised well in winter are real pigs raised well.   

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1. Sow     

The sow is the engine of the pig farm. Only when the sow guarantees a certain amount of piglet output can the farm run smoothly. Attention should be paid to the following issues when raising sows in winter:   

(1) Pig feed nutrition    

Usually, sow houses, especially pregnant sow houses, have no heating measures. The sows can only rely on their own body temperature to resist the cold. This requires the sows to accumulate a certain amount of fat in autumn and have sufficient energy supply in winter.    

(2) Strengthen disease prevention and control   

The common diseases of sows in winter include blue-ear and No. 5 disease. For blue-ear disease, you can use Zhanlan (pure traditional Chinese medicine) on the swine online platform for prevention and control. For western medicine, you can choose tilmicosin and tyvans. Wait.    

2. Suckling piglets     

The nutrition of suckling piglets comes from suckling sows. The sows are healthy and sufficient nutrition can provide the piglets with high-quality and sufficient milk to ensure the health of the suckling piglets. In addition, the feeding of suckling piglets also needs to pay attention to two points:   

(1) Pay attention to heat preservation    

Because the body temperature regulation center of piglets is not well developed after birth, and the body surface skin fat content is insufficient, so piglets are very afraid of cold, which requires that the delivery room must be kept warm in winter. 

It is generally required that 12 hours before the birth of the sow, check whether the heating lamp and the electric heating plate in the piglet incubator are intact, and turn it on and preheat it to 35°C 6 hours before delivery, and dry the piglet immediately after birth. After the birth powder is delivered, it can be placed in the incubator. In addition, the newborn piglets must be manually trained to enter and exit the incubator. After the piglets adapt to the milk, they will enter the incubator by themselves.   

(2) Disease prevention and control    

The diseases that are more harmful to suckling piglets in winter are mainly No. 5 disease and viral diarrhea. Preventing piglets from developing disease should start with sows.   

And viral diarrhea will bring significant economic losses to some pig farms every year, and it is also a key factor leading to the decline in piglet survival rate. It is currently recognized that the better method of preventing and controlling viral diarrhea is vaccine immunization and death. That is to say, Houhai acupoint is immunized with a shot of inactivated viral diarrhea vaccine at 45 days before delivery, and Houhai acupoint is immunized with a shot of attenuated viral diarrhea vaccine at 15 days before delivery. This can achieve a certain degree of prevention of viral diarrhea. 

3. Nursery piglets   

Suckling piglets are protected by maternal antibodies. Fattening pigs have fully developed autoimmune organs, while nursery piglets have lost the protection of maternal antibodies and their autoimmune organs are not fully developed. Therefore, nursery piglets have the highest incidence and survival rate. The lowest stage. The feeding of piglets in winter conservation requires the following points:   

(1) Pay attention to heat preservation and ventilation  

Cold stress will reduce the resistance of piglets, which will lead to the onset of conditional pathogens such as Haemophilus parasuis, and poor ventilation of the pig house will lead to infectious pleuropneumonia, porcine pneumonia, mycoplasma pneumonia and other respiratory tracts Diseases are high.     

Therefore, the temperature of the nursery is required to reach 33°C in the first week after the piglets are transferred to the nursery, and then the temperature is reduced by 2°C every week. And while raising and lowering the temperature, the importance of ventilation cannot be ignored.   

(2) Disease prevention and control  

The common diseases in nursery pigs are still post-weaning stress diarrhea and various respiratory diseases. For post-weaning stress diarrhea, it can be prevented by adding Ziyouyou to the feed. Respiratory diseases should be differentiated based on clinical symptoms, and the corresponding plan should be selected, such as:   

a. For high incidence of streptococcal disease, use Qingfei Zhike San + Sulfa Methoxy;     

b. High incidence of Haemophilus parasuis disease, use Qingfei Zhike San + Amoxicillin;     

c. Infectious pleuropneumonia is high, you can use Tylosin + Doxycycline.   

4. Fattening pig    

Fattening pigs have a well-developed immune system. The main attention should be paid to the combination of feed nutrition, reasonable temperature in the pig house and certain disease prevention and control measures to pass the winter smoothly.  

(1) Temperature control     

Fattening pigs already have a certain degree of body temperature regulation ability and strong resistance to low temperature, but low temperature will increase the energy consumption of fat pigs and reduce the daily gain of fat pigs.    

Moreover, a good indoor temperature can provide a suitable living environment for pigs, which is more conducive to the growth of fat pigs. It is more appropriate for fat pigs to require room temperature at 17-18°C.   

(2) Disease prevention and control   

The main diseases of fattening pigs in autumn and winter are No. 5 disease and respiratory diseases. No. 5 disease is mainly immunized by vaccine. Generally, piglets are required to be immunized at 60 days of age for the first time and two immunizations after an interval of one month. Add electrolytic multi-dimensional + Astragalus polysaccharide powder to the drinking water of the group to reduce vaccine immune stress and improve vaccine immune effect.   

The prevention and control of respiratory diseases in fattening pigs is a systematic project, including:    

a. Ventilation in the pig house reduces the dust and harmful gas content in the pig house;    

b. Do a good job in the prevention of immunosuppressive diseases such as mycoplasma, PRRS, and circovirus disease;   

c. When influenza occurs in pigs, corresponding measures should be taken in time to prevent secondary infections with other bacterial diseases and cause greater economic losses;     

d. Use corresponding drugs to prevent and treat various bacterial diseases. For details, please refer to the prevention plan for respiratory diseases of piglets.   

The whole of pig raising in winter lies in the reasonable combination of feed nutrition, suitable temperature in the pig house, good ventilation, reasonable vaccine immunization plan and correct medicine and health care. Pig friends should pay attention to the situation of their pig farm. Can make the pigs pass the hurdle of winter smoothly.

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