Temperature is the driving force behind the growth and development of all things. The winter temperature drops obviously. Under the influence of cold stimulation, the pig is susceptible to disease and affects normal growth. If it can take effective and effective methods to prevent cold and increase temperature scientifically, it will not only promote the healthy fattening of pigs, but also reduce various respiratory and intestinal tracts. The occurrence of diseases has increased the income of pig farmers. Now introduce several common methods of insulation.
First, fix the pig house
The site of the pig house should be high, dry and sunny. It is necessary to plug the window holes on the north, west and east sides, and timely repair the roof and the gaps between the four walls. The windows and ventilation holes of the pig house should be 1 to 1.5 meters from the ground. And can adjust the size of the hole to keep the temperature stable.
Second, hanging curtain
Before the winter, the whole door and window of the pig house were covered with plastic sheeting to keep it warm and cold. In the direction of the building, straw or corn stalks are used to form wind barriers or windrows to prevent the wind from invading the shed.
Third, build housing estates
To build houses in housing estates, plastic film and felt can be used. The plastic film can transmit light and heat, the felt can breathe and accumulate temperature, and can increase the temperature of 5~7°C. Building housing estates has the characteristics of less investment, easy production, and quick results. The construction of houses in housing estates should be adapted to local conditions. Since they are simple, they can be built in the form of ceilings with a height of about 1.8 meters. At the same time, a ventilation window should be left at the same time to provide ventilation and ventilation.
Fourth, increase the dunnage
In the pig bed, 15-20 cm thick sawdust, rice hulls, and hay are added, and moisture absorption and moisture removal are possible in addition to heat preservation. Pay attention to constantly check and update the urine wet hay, found that the pig urine should promptly remove the wet grass and replace the hay to keep the pig house dry and comfortable. Sprayed with peracetic acid at good noon or added lime under litter to remove ammonia and water, and properly separate the joints in the middle of the house to eliminate ammonia and moisture in the house.
Fifth, increase the bed
In the piggy stage, where conditions permit, it is best to use warm sheets such as wood boards, bamboo boards, thick fiber boards, etc., and without preconditions, cement precast boards can be laid.
Sixth, increase the lighting area of ​​pigs
When the pig house is built, it is necessary to consider the lighting area of ​​the pig house. The open-type pig house should have a large open area in order to prepare the winter covered plastic film for easy lighting. Closed pig houses are to be reserved in the south wall and the roof to prepare for the installation of glass in winter.
Seven, increase the breeding density
The dispersed pigs are reared in groups, and the number of pigs in the house can be increased by 30 to 50% compared to the summer season. The use of body temperature between pigs can increase the temperature. Attention should be paid when pigs enter a new pig when it is dark. They should be sprayed with wine or low concentration of Lycopene and then gregarious. At the same time, the breeder needs to observe for a few hours to prevent the pig from fighting. It is also possible to choose the sunny day to rush the pigs outside to enjoy the sun, enhance the exercise and increase the pig's resistance to cold weather.
Eight, provide quality ingredients
In the preparation of pig diets, energy feeds such as sorghum and corn should be appropriately increased or high quality full-priced feeds produced by regular manufacturers should be used. Some farmers like to ferment the feed before feeding, but they must allow the pig to drink warm water, increase the number of feedings, and then feed it once a night at about zero every night to enhance the cold resistance and disease resistance of pigs. The rapid growth of pigs. It is also possible to add traditional Chinese medicines that promote blood stasis, spleen, and dispelling cold in the feed. This can not only promote fast fattening of pigs, but also prevent cold and resist disease. Prescription can be used Chuanxiong, Poria, Nepeta, wind, cassia, alfalfa, Bupleurum, hawthorn, herb, betel nut, Divine Comedy, licorice each 20 grams. Stir 30 grams of malt, and add 0.2~0.5% of the amount to the feed during the study and feed 2~3 times a week.
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