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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 maintain good air circulation. Consider installing fans or ventilators if possible, to increase airflow and prevent a high-temperature, high-humidity environment that can harm pigs.
2. Use water spraying for cooling when temperatures rise. Spraying cold water on the floor, roof, and walls outside the house can help lower the internal temperature. In some cases, a cold shower system may be used, but avoid direct spraying on sows’ bodies to prevent stress or discomfort.
3. Ensure a continuous supply of clean, fresh drinking water. It’s best to provide cool, flowing water so pigs can drink whenever they need. If using pipelines, regularly clean and disinfect them to reduce the risk of E. coli infections.
4. Reduce heat radiation by planting vines around the pig house and outdoor areas to block sunlight. A layer of hay or other shading materials can be placed on the roof, and shaded shelters can be built in the yard if needed. Painting the roof with white lime also helps reflect sunlight and lower indoor temperatures.
5. Adjust the feed formula to reduce energy content by replacing some oils with corn. Increase the amount of green, juicy, and vitamin-rich feeds like brackish bran to improve palatability and encourage better feed intake. 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 health during hot weather.
6. Schedule feeding times in the early morning and late evening when temperatures are cooler. This improves appetite and increases feed consumption. Feed wet mixtures to minimize leftovers, and remove uneaten food promptly to prevent mold. Clean and sun-dry feeding troughs daily to maintain hygiene.
7. Lower stocking density to allow pigs to dissipate heat more effectively. Aim for at least 1.2 to 1.5 square meters per pig to ensure comfort and reduce heat stress.
8. Focus on cleanliness and disinfection to prevent disease. High summer temperatures promote the growth of harmful microorganisms. Regularly disinfect the pig house and surroundings, but avoid using harsh chemicals like quicklime near sows. Remove manure frequently and monitor for lice or 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 also add fly-killing agents to feed, but only use safe, non-toxic options. Natural remedies like crushed tomato or mint leaves rubbed on the sow’s body can also help repel insects without harming the animals.
10. Follow a proper vaccination schedule. With increased pathogen activity and insect presence in summer, it's crucial to keep pigs protected. Administer vaccines according to your farm’s disease prevention plan to ensure their health and safety during the hot season.