In order to prevent hens from going out of production in winter, it is necessary to adopt effective feeding and management measures for the requirements of laying hens on temperature, light, and nutrition.
The most suitable living temperature for wintering laying hens is 18°C, and the temperature in winter sheds should be maintained at more than 10°C. In general, a windbreak is installed around the house, and plastic sheets are attached to the doors and windows to block the leaks in the walls and prevent the hens from entering the “thievesâ€.
Increased light illumination not only enhances the hen's constitution, but also promotes the secretion of pituitary hormones in the hens, so that the hens' egg production activity is vigorous. Therefore, due to the shortened winter time, artificial light should be added to stimulate egg production. Normally, the lamp is installed in the house to allow the hen to get 15 hours of light. It can also be turned on early in the morning and turned off at night to make the layer longer in the winter than in the summer and autumn. ~ 1 hour.
Increase the number of feedings The winter temperatures are low. Layers must eat enough nutrients from the feed to withstand the cold in order to ensure high productivity. The number of feedings can be increased to encourage the layers to feed more.
Increase nutrition Winter cold, layer chickens themselves consume more energy, need to feed from the feed. Therefore, in the winter, the energy level in the layer feed should be properly increased to 0.12 megajoules per kilogram. In addition, the appropriate increase in the amount of vitamins in the feed in the winter can increase egg production in laying hens. According to experiments, in the winter, double the amount of vitamin A and D3 in the feed can increase the egg production rate by 3% to 5%.
Strengthening disease prevention and control During the winter season, the season of respiratory infections in chickens is a mobile season. Once a disease is discovered, appropriate drugs should be used for early prevention. At the same time, it can be sterilized once every 5 days to 7 days with chicken poison and other disinfectants.
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