In summer, the appetite of laying hens decreases, the food intake decreases, and the egg production rate decreases. Therefore, the following measures should be taken in the feeding and management of laying hens in summer.
1, properly reduce the energy feed. The energy in the high temperature season layer diet needs to be reduced by 0.966 megalts per kilo of feed metabolite compared to the usual feeding standards. Therefore, corn, sorghum and other energy feeds should be reduced, and the amount used should generally not exceed 50% - 55%. At the same time, coarse diets with low energy content in bran should be added, and the amount should generally be 15% - 20%.
2, appropriate increase in protein feed. In summer, the feed intake of chickens is significantly reduced. If no nutrients are added to the diet, the growth and laying requirements of the chicken cannot be met. In particular, the lack of protein feed will affect egg production. Therefore, the protein content in summer diets is 1%--2% higher than usual, ie, 16%--18%. It is necessary to increase the amount of feeds for bean cakes, cotton cakes, and peanut cakes in formulated feeds by up to 20%. --25%. In addition, the amount of animal protein feed such as fish meal, meat blood meal, fish and shrimp waste should also account for 5% - 7%.
3, appropriate increase in mineral feed. Most laying hens in summer are in the late stage of high-yield, calcium needs to increase, so the calcium and phosphorus ratio in the diet should be appropriate, and the general calcium content should be adjusted to 3.8%. Excessive calcium content in formulated feeds can affect palatability. In order to increase the intake of calcium without affecting the palatability of the feed, the shell powder and feed can be set as food utensils, allowing the chicken to eat freely so as to meet the needs.
4, appropriate increase in juicy green feed. Summer forage is abundant and vegetables are cheap. Fresh grass or green vegetables can be added to layer diets. The dosage should not exceed 30%-50%. Can also feed the grass after feeding. This will not only replace multiple vitamins, reduce costs, but also play a role in preventing heatstroke and increasing appetite.
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