First, add feeds and additives for diarrhea. Common wheat bran, bean cake, peanut cake, fire food, artificial salt, pumpkin, etc., can be optionally added according to the conditions, sorghum, dried melon, cotton stalk powder and distiller's grains and other hot feed less feed. Second, supply clean water. In summer, pigs drink more water, and the suckling pigs and piglets need more water. Therefore, it is best to feed thin food in summer. Place basins or troughs in the circle to supply clean drinking water at any time. Under high temperature conditions, a pit can be dug in the pigsty to fill the cool well water for the pig to “mudâ€, but the cool well water must not be splashed directly on the pig. Third, remove mosquitoes and flies. In the pigsty at night, mosquito coils can be ignited or hung with gauze wrapped in crystals to prevent mosquito bites. It is also possible to regularly feed the right amount of oxytetracycline to the pigs and to clean the feeding utensils and the pigsty every day to avoid the spread of germs. Fourth, feed more at night. In summer heat, pigs usually move and eat more during the night when the temperature is lower. Before the evening rest, put enough feed in the pigsty. After the pigs eat, they can sleep for 18 hours in one day, which is beneficial to the pig's weight gain. To make pigs gain weight rapidly during the summer heat season, feeds can be applied 3 times per night. Feeds are given at 7pm, 11pm and 4am respectively, and during the day they need to be at 10am and 2pm. Half of each feed 0.5% saline. The amount of feed is as follows: pigs before 35 kg, feed 2 kg per day, light drink salt water 1.5 kg; 35-60 kg weight, feed 2.75 kg per day, drink light salt 5 kg; 60 kg or more, can feed 3.5 kg per day, Drink light salt water 7.5 kg. Summer high-temperature fattening, the following feed formula can be used: wheat flour 20%, corn flour 20%, cotton stalk powder 30%, fish meal 1%, shell powder 2.7%, ferrous sulfate 0.3%, before feeding the best soaked with water for several hours . Rongcheng Jingyi Oceanic Technology Company Limited , https://www.jingyifoods.cn