Technical Measures to Maintain High Production of Laying Hens in Winter

1. Timely supplement of artificial lighting The shortened winter sunshine time should be supplemented by artificial light. Lighting management is one of the important management techniques necessary to improve egg production performance of laying hens. Because the length of the light is related to the hen's egg production, increased light stimulates the secretion of sex hormones and promotes egg production. Shortening the light and inhibiting the secretion of sex hormones also inhibits ovulation and egg production. Therefore, it is necessary to increase light in winter to receive a good egg production effect. In winter, it is possible to adopt methods of turning on the lights early in the morning and turning off the lights in the evening and night so that the lighting time of laying hens in winter is 0.5-1.0 h longer than that in summer and autumn. The light is stable at 16-17h.
2, to strengthen the insulation and cold, to prevent the thieves wind invasion winter temperatures are low, whether it is a closed chicken house, or open chicken house, we must do a good job of cold insulation. Placing plastic sheets on the windows and doors to block the leaks in the walls should prevent the thief from blowing the chicken body. Keep the chicken house temperature as high as 10°C or it will affect the egg production rate. In poorly insulated chicken houses, the size of the flock is not large, and it is only necessary for the flock to heat up to maintain high yields when it is difficult to maintain the required temperature. At the same time, in order to prevent freezing of drinking water, layers will not drink ice water. Conditional chicken farms can install heating in the house or use stoves for heating.
3, pay attention to ventilation, avoid harmful gas overwhelming majority of farmers in the winter only pay attention to the closed insulation of the chicken house, while ignoring the ventilation and ventilation work, resulting in a house in the ammonia gas and other harmful gases, affecting the performance of laying hens. Therefore, while strengthening the insulation, do not ignore the ventilation and ventilation work, to deal with the contradiction between insulation and ventilation. Closed chicken houses can be turned on and off at regular intervals according to air pollution in the house. In larger chicken houses, there are generally several groups of fans. In winter, depending on the temperature conditions, a suitable group or one or two fans can be used to achieve proper ventilation. Windowed chicken houses, according to the size of the chicken density, temperature, weather, wind, size, the degree of stimulation of harmful gases and other factors to determine the length of the window, the number of windows, the number of windows and so on.
4, increase the number of feeding, increase feed intake In winter, the temperature is low, the layer must eat enough nutrients from the feed to withstand the cold, in order to ensure its normal metabolic activity, maintain high-yield performance. In winter, the weather is cold and chickens increase their intake of cold food. It can be used to increase the number of feedings to encourage the layers to eat more food. It is better to finish the meal before turning off the lights. 5Adjust feed formulation, increase energy and vitamin A, vitamin D, dosage in winter, low temperature, layer to protect against cold, self-sustaining need to increase, these energy to feed from the feed, so in the winter when laying layer feed Appropriately increase the energy level in the feed to 11.7 MJ per kilogram. In addition, increasing the amount of vitamins in the feed during the winter has a significant effect on egg production in laying hens. According to the experiment, in the winter, double the amount of vitamin A and vitamin D3 in the feed can increase the egg production rate by 3.5%. 6Strengthen the prevention and cure of diseases The winter climate is dry and the dust in the house is increasing. In winter, the insulation is cold, the doors and windows are closed tightly, and the harmful gases are increased. The pathogenic microorganisms live for a long time under low temperature conditions. These factors easily cause the outbreak of respiratory diseases in chickens. Strengthen prevention. Disinfect chickens once every 3 to 5 days with 100 toxins and other disinfectants. Regularly carry out Newcastle disease antibody monitoring. Once an outbreak has occurred in the surrounding environment, it should be promptly prevented by appropriate drugs.

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