In winter, the external climate is cold. If the management is not strengthened, the pig will slow down the growth rate or become sick, which has a great impact on pig production. In the winter feeding management, the following four points should be achieved.
First, refurbish the pig house.
Before the cold winter arrives, the pig house should be fully inspected and maintained to repair damaged houses, walls and ceilings. In order to increase the insulation effect, the open pig house should be built with a plastic insulation shed, which blocks the window and the extra vents, and hangs cotton curtains and straw curtains at the door to prevent cold air from entering.
Second, keep the house clean, dry, and fresh air.
In winter, in order to keep warm, the ventilation intensity will be lowered, resulting in excessive humidity in the house and excessive retention of harmful gases. Excessive humidity in the house and excessive harmful gases can induce respiratory diseases and other diseases in pigs. Therefore, the feces in the house should be removed, the hygienic environment should be maintained, the humidity in the house should be reduced, and the harmful effects caused by the accumulation of feces should be reduced. The concentration of the gas. Under the premise of maintaining the temperature, increase the ventilation, maximize the air in the house, and reduce the incidence of respiratory diseases caused by excessive harmful gases.
Third, improve the temperature inside the house.
Too low a room temperature will bring severe cold stress to the pigs. Cold stress will reduce the health of the pigs and induce some diseases, especially for the pigs. The cold environment will cause the pigs to have diarrhea. Increased, resulting in increased mortality in piglets. There are various ways to increase the temperature of the house. For example, using hot air stoves, coal stoves, heating and other equipment to provide heat source to improve the temperature, it is also possible to increase the stocking density, and to increase the temperature of the pigs by their own temperature (for fattening). Pig) and so on.
Fourth, feeding high-quality diets and improving feeding methods.
In the cold winter, it is especially important to provide a well-nourished diet for the herd. Farmers can choose the premix for pigs of all ages according to the weight of their pigs. The cold feed has a greater impact on the herd in winter. Try to feed dry powder or use warm water to feed. If necessary, clean warm water should be provided for pigs to drink freely. In the winter, the night is long, and the pigs have a long fasting time in the evening. They should be fed a night snack at night to make the pigs feed enough nutritious and comprehensive diets to facilitate the daily weight gain and shorten the feeding cycle.
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