1. Nutrition. During the wintering period of laying ducks, both cold and egg production are required. The energy consumption is very large. The proportion of corn and other energy feeds must be appropriately increased, and the feeding amount should be increased by 10% to 15% from summer and autumn, and sufficient green feed or regular vitamin supplements should be provided. A, vitamin D, vitamin E. Add 3% to 5% of fat to the feed, and feed the chopped cabbage or radish greens at noon every day. The effect will be better. 2. Add night food. The winter nights are long and short nights, and the nighttime temperatures are low. If you can feed a warm feed at night, it will not only increase the nutrition of ducks and ducks, but also help the ducks keep warm and increase the egg production rate by more than 10%. However, at night feeding should pay attention to two points: First, must provide warm drinking water, and second, night food should be based on high energy feed such as corn, protein can not be too much. Ningbo Wellway Optoelectronic Technology Co.,Ltd , https://www.wellwayopto.com