In the winter and spring (early spring) season, the sows are farrowing, and the cold weather affects the survival of the piglets, especially for rural free-range farmers. There is no birth bed, and no warming facilities are provided. The sow's survival rate is lower in winter and spring. It is a good method for raising the survival rate of piglets and increasing the breeding efficiency for newly-born piglets with experience in sow farmers. The following is a description of the construction method of keeping litter for young piglets:
Before the sow is born, on the side of the pig litter, it is best to build a small nest with a length and width of 1 meter and a height of 50 centimeters at the leeward sunny position, and make a running pig's mouth with the pig nest. The nest is wrapped in plastic sheeting to ensure it is airtight. If the large pig nest is deep, a basement can be built by digging the pit and stamped on it. The first litter is filled with dry ash, then a layer of thatch to facilitate insulation and heating. A 40-watt electric bulb is used as a heat source in the nest (the temperature in the nest can reach about 30°C). Completed.
After the sow is put into production, put the piglets into the warm nest first, block the running pigs' mouths, feed them regularly for the first 3 days, and feed them every 4 hours. After the pigs are full, they will circle the warm nests. After 3 days, the baffles can be removed to allow the piglets. Free access, natural feeding, piglets return to warm nest to sleep after eating.
Warm litter-warming litters are not only beneficial to the growth and development of piglets, but also can prevent the sows from stepping on and squeezing piglets, which can effectively improve the survival rate of piglets and increase the income of pigs. It is economical, practical and easy to learn how to build a piglet to protect warm nests. Rural sow farmers may wish to try.
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