For young layer chickens, during the cultivation period, drinking water of different temperatures should be supplied according to the age of chicks, which has good effect on the growth and egg production performance of the chickens.
When cultivating young hens for youth egg production, the temperature of the chicken drinking water should be gradually adjusted as the chicken's age increases. 1 to 3 days old at 33°C, 4 to 7 days old at 30°C, 8 to 14 days old at 28°C, 15 to 21 days old at 26°C, 22 to 28 days old at 24°C, 29 to 35 days old At 22°C, the temperature of drinking water was maintained at 20°C by the end of cultivation. In addition, the temperature of drinking water for broilers is 18-22°C. When the hybrid hens start their cultivation, the temperature of their drinking water is preferably close to the corresponding room temperature.
Young laying hens can effectively promote their vitality after drinking hot water. Between 1 and 119 days of chicks, the survival rate of drinking hot water was 6.7% higher than that of drinking cold water, and the live weight of the 119-day-old chicken increased by 97 grams. The average daily weight gain was 0.8 grams, and the consumption of feed per 1 kilogram of body weight decreased by 0.7 kilograms. . Broiler chickens had a net increase of 10.5%.
After drinking hot water, the retention rate and live weight of chickens entering the house can be increased, and the amount of feed consumed by each egg can be reduced. After the broilers had been drinking hot water for 151~450 days, the retention rate was increased by 4.8% and the egg production rate was increased by 5.4% in the test group compared with the control group; the live weight increased by 187 grams at the age of 64 weeks and the average egg production was increased. With an increase of 4.2 pieces, the feed consumption per 10 eggs decreased by 0.08 kg.
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