The optimum temperature for growing pigs is 12～22°C. In winter, the temperature is low. Pigs are forced to use body fat in order to resist severe cold. Therefore, the weight gain of pigs is reduced, and feed utilization rate is reduced, and the disease resistance of the body is reduced. It is prone to diseases and seriously affects the efficiency of farming. Therefore, it is very important to do a good job of cold insulation in finishing piggeries in winter. Usually, the following methods can be selected: First, the thieves wind winter wind invades the pig house. Attacking pigs causes pig colds and other diseases. Therefore, winter Before the pig house leaks, block the blockage and prevent the cold wind from intruding; the windows and ventilation holes of the pig house should be more than 1 meter from the ground. 2. When matted piglets are transferred from nursery houses to finishing houses or new piglets are purchased, some straws, soft straws, etc. shall be added to the finishing houses to reduce the stress caused by the changes in the temperature during transfer and to absorb moisture. , In addition to the tide, the absorption of harmful gases and other effects. Pay attention to changing the ground, avoid moisture, mildew rotten produce ammonia, harm the health of pigs. Third, the appropriate increase in breeding density Winter temperatures are low, can be appropriately increased feeding density, generally more than 30% increase in summer feeding density, pigs more heat to increase, can naturally increase the temperature, while the pig sleeps close, can Heating each other can also increase the overall temperature of the pig house. Fourth, add energy feed In the preparation of the pig's diet, should be appropriate to increase the proportion of vegetable oil, corn and other energy feed, drinking warm water. And appropriate amount of vitamins, amino acids, etc. that have anti-stress and anti-oxidant abilities. The feed supply is adequate, the number of feedings is increased during the day, and the pig food must be dried in order to enhance the resistance to cold and disease, and to promote rapid weight gain. V. Keeping the pig house dry is one of the main measures to ensure pig health. In order to prevent pig house from dampness, we should do the following: First, prevent leakage and snow leakage; Second, we must constantly change the bedding; Third, we must timely clean the pig manure, using dry excrement method; Fourth, make the pig house ground outside the surface When the humidity of the piggery is relatively large, moisture can be absorbed by adsorbents such as grass ash, coal ash slag, quick lime, and charcoal. Six, pay attention to the ventilation of the piggery ventilation while also paying attention to ventilation. If the concentration of harmful gas in the pig house is too high, the ability of the pig to resist disease and keep the cold will be significantly reduced. Therefore, every day at noon, it is necessary to open doors and windows for ventilation, remove harmful gases, and exchange fresh air to facilitate the growth and development of pigs. Because of the low temperature in winter, the ventilation of the pig house must be controlled for ventilation, and the wind speed in the pig house must not be too high. Caladium Flower,Caladium Rose,Caladium Plant Flower,Caladium Flower Bulbs fanhua nursery , https://www.fanhuanursery.com