(1) Strengthen ventilation, reduce temperature, stimulate eating, and two meals in the morning and evening are particularly important, because feed intake decreased by 10 to 20%, and nutrient intake was reduced by more than 10% due to VA intake. Reduced intake, lighter eggshell color. Measures: Premix 5,5%, stone powder 8.5%, remove bran and chowder, multi-dimensional drinking water, increase the price per catty of 10%, about 0.12 to 0.15 yuan.

(2) Increase feed nutrient concentration, especially metabolic energy level, and add 250 grams per ton of U.S. (high energy) enzymes to increase the metabolic energy of 100 to 150 kcal (equivalent to adding 10 to 20 kilograms of vegetable oil, which can increase the level of metabolic energy , without affecting the function of the intestine), the metabolic energy in summer more than 2800, not less than 18% of protein.

(3) Breathing heat in the flock will lose a lot of CO2, and the pH will increase, resulting in insufficient calcium intake and affecting eggshell quality.

(4) Prevent diseases, especially intestinal diseases such as enteritis and dysbacteriosis. Measures: If the chickens are severely diarrhea, they are treated with drugs (200 Tyrants of Intestinal Water, 400 pounds of water in diarrhea, 300 kg of Bacillus intestines, and 300 kg of Bacillus intestines). After the discontinuation, the probiotics (Liuwei 0.5% in the first 5 days, 0.3% in 6-10 days, and 0.2% long-term use after 10 days) Mixing or drinking water, adjusting the intestinal flora balance and increasing the feed conversion rate.

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