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Ten points for the safety of pigs in summer
1. Improve ventilation in the pig house by opening all doors and windows to ensure good air circulation. If possible, install ventilators or fans to enhance airflow, which helps prevent a hot and humid environment that can negatively affect the pigs’ health.
2. Use water spraying for cooling when temperatures rise. Spraying cold water on the floor, roof, and walls outside the pig house can effectively lower the internal temperature. A cold shower system may be used if available, but avoid direct spraying on sows to prevent stress or discomfort.
3. Ensure an abundant supply of fresh drinking water. It is best to provide cool, running water so that pigs can drink whenever they need. If using pipelines, regularly clean and disinfect them to reduce the risk of E. coli-related diseases.
4. Reduce heat radiation by planting vines around the pig house and outdoor areas to block sunlight. Adding a layer of hay or other shading materials on the roof can also help. Consider building shaded areas in the yard and painting the roof with white lime to reflect sunlight and lower indoor temperatures.
5. Adjust the feeding formula by reducing energy levels and replacing some oil with corn. Include more green, juicy, and vitamin-rich feeds like brackish bran to improve palatability and digestion. If pigs are not eating enough, add flavor enhancers such as salt, umami, or aromatic substances. Also, consider adding anti-stress agents like vitamin C, baking soda, or betaine to support their well-being during hot weather.
6. Schedule feeding times wisely. Feed pigs early in the morning and late in the evening when temperatures are cooler, which encourages better appetite and feed intake. Provide wet mix feed and remove leftovers promptly to prevent mold. Clean and sun-dry removable feed troughs daily to maintain hygiene.
7. Lower stocking density to help pigs dissipate heat more easily. Aim for at least 1.2 to 1.5 square meters per pig to reduce overcrowding and improve comfort.
8. Maintain cleanliness and implement regular disinfection. High summer temperatures promote the growth of harmful bacteria, so it’s crucial to keep the pig house and surroundings clean. Avoid using quicklime or strong alkalis on sows to prevent injury. Regularly remove manure to prevent disease spread, and check for lice and mites, especially around the ears.
9. Prevent insect bites by installing mosquito nets in late spring and early summer. Keep the area around the pig house free of weeds to reduce fly and mosquito breeding. You can add safe insecticides to feed, but avoid harmful chemicals. Using crushed tomato or mint leaves rubbed on the sow's body is an effective natural repellent.
10. Carry out timely vaccinations according to the farm’s immunization plan. With increased microbial activity and pest presence in summer, vaccination is essential to protect pigs from diseases and ensure their health and productivity throughout the season.