The function of the piglet to regulate body temperature is not perfect, and it is poor in cold stress. The newborn piglet is in an environment of 13°C to 24°C, and the body temperature drops by more than 1.7°C for 1 hour. Piglets are sparsely coated with subcutaneous fat and energy reserves are limited. The blood glucose level is 100 milligrams per 100 milliliters of blood. The temperature of the environment is low, the newborn piglets are physically regulated by limited body temperature, and because the mechanisms of the cerebral cortex to regulate body temperature are not fully developed, they cannot be chemically adjusted. Therefore, the sows are born in winter or early spring. The piglets must do the insulation work to create a suitable living environment for the piglets. The optimum temperature for piglets is: 28 to 32°C for 1 to 7 days; 25 to 28°C for 8 to 30 days; 23 to 25°C for 31 to 60 days. ZHOUSHAN SINOMEGA BIOTECH ENGINEERING CO.,LTD , https://www.sinomegabiotech.com
At present, the measures for keeping piglets warm are generally the following:
1. Thick dunnage Thick dunnage is a traditional insulation method and is used mostly in domestic pigs. The method is: the first day shop 10 cm thick mat grass, the next day and then add 10 cm to 20 cm mat grass, so that the thickness of the mat grass up to 30 cm to 40 cm, outside the nail nailing grass board to prevent mat grass scattered . In the temperature range of 10°C-15°C, the temperature of the berm grass can reach above 21°C. This method is economic and easy, saves labor, saves grass (grass), and keeps warm and damp. When this method is adopted, the bedding should be replaced promptly, dry fresh grass be added, and the column should be kept dry.
2. Drying and drying are traditional methods of heat preservation. There are two types of flue ducts and charcoal stoves. There are two kinds of flue ducts, ground flue and underground flue. When using coal and other fuels for heating, no matter which type of heating method is used, in addition to the prevention of fire, it is also necessary to eliminate the harmful gases in the column and prevent poisoning.
3. Infrared heat lamp Currently, infrared heat lamp is widely used. The method is: using an infrared light bulb to hang on the nursery lying on a nursery shelf or in a warm room to keep the piglets warm and warm, and to adjust the height of the infrared heat lamp according to the desired temperature of the piglet. This method is simple in equipment, good in heat preservation, and has the effect of preventing and treating skin diseases. When using a wooden fence or iron fence as a partition wall, two litter piglets cannot share an infrared heat lamp.
4. Piglet insulation board electric constant temperature warm plate surface temperature 26 °C ~ 32 °C. The product structure is reasonable, safe and energy-saving, easy to use, flexible in temperature adjustment, accurate in constant temperature, and suitable for large-scale factory pig farms.
5. Far-infrared heating piglets incubator box size is 100 cm long, 60 cm high, 50 cm to 60 cm wide, with far-infrared heating plate connected to the controllable temperature components flat on the lid. The temperature of the incubator is adjusted according to the piglet's age. In order to facilitate disinfection and cleaning, the lid can be removed and the material of the box is made of waterproof material.
When applied on a large-scale pig farm, the ground is best covered with grass, regardless of the insulation measures taken.