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Summer pig raising measures
In summer, the weather becomes extremely hot, and temperatures can soar to uncomfortable levels. Pigs have thick sebum and underdeveloped sweat glands, making it difficult for them to regulate their body temperature. As a result, they are more prone to heat stress and may even fall ill or die if not properly managed. To prevent heatstroke and ensure the well-being of pigs during the hottest days, it's crucial to implement effective strategies that promote cooling, proper feeding, and disease prevention. Here are three key approaches to successfully raising pigs in midsummer.
First, effective cooling is essential. Cooling can be done both for the pig house and the pigs themselves. To lower the temperature inside the pig house, you can use shade structures such as temporary pergolas or plant vines to block direct sunlight. Before the peak heat arrives, consider covering the roof with shade nets or planting climbing plants to reduce heat absorption. Additionally, you can spray the pig house with cool water 2–4 times daily to help lower the temperature through evaporation. For the pigs, installing water tanks in the pens allows them to splash and cool down whenever needed. Spraying the pigs with water during the hottest parts of the day—midday and afternoon—can also help them dissipate heat more efficiently.
Second, adjusting feeding practices is important. During high-temperature periods, pigs tend to eat less during the day and prefer to feed at night when it’s cooler. To accommodate this, make sure there is enough food available in the evening so that they can eat before resting. After eating, pigs often sleep for up to 18 hours a day, which helps them gain weight more effectively. To maximize growth, you can feed them three times at night: at 7 PM, 11 PM, and 4 AM. In the daytime, feeding should occur at 10 AM and 2 PM. It’s also beneficial to provide saltwater and green, juicy feed to maintain hydration and nutrition. The feeding amounts vary depending on the weight of the pigs: for pigs under 35 kg, feed 2 kg of feed and 10 liters of saltwater per day; for pigs between 35–60 kg, increase to 2.75 kg of feed and 15 liters of saltwater; and for pigs over 60 kg, feed 3.5 kg of feed and 17.5 liters of saltwater daily.
Third, disease prevention is critical. High temperatures can weaken a pig's immune system, making them more susceptible to diseases like swine fever, erythrozoonosis, and streptococcal infections. Alongside cooling and feeding adjustments, it's vital to maintain hygiene in the pigsty. Regular cleaning of the area and ensuring it remains dry and free from waste accumulation is essential. Proper ventilation should be maintained to keep the air fresh and reduce the risk of disease spread. Additionally, using mosquito repellents or burning insecticides can help control pests like flies and mosquitoes, which can carry harmful pathogens.
By implementing these three strategies—cooling, feeding, and disease prevention—you can significantly improve the health and productivity of your pigs during the summer months, ultimately leading to better economic returns.