Adjust the amount of feed according to the temperature. In the same situation, the energy needs are different under different room temperature. In the winter and spring season, broiler breeders can feed 150-170 grams of feed every day, so that the feed heat energy can be improved by 12.1 to 12.3 megajoules, which can meet the needs of low-temperature heat energy. In the event of a cold spell, the temperature suddenly drops, and the flock itself cannot adjust the feed intake at once, which will cause a great reaction. Therefore, you should always pay attention to the weather forecast. Add 1 to 20 grams of feed to each chicken 1 to 2 days before the cold current. For 3 to 5 days, you can get 112.8 to 142.1 MJ of heat to maintain the chicken. The body temperature is equal to the egg level. Every 3 degrees Celsius drop in temperature should be about 5 grams. After the cold current passed and the temperature rose, the original feed amount was restored. At the same time, pay special attention to the quality and quantity of various amino acids. Increase the proportion of feed in the guessing and reduce the protein content appropriately.
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