The winter warmth of the sow house is very important for solving the sow's normal winter litter and improving the survival rate of the piglet. Now the author combines the rural reality, a brief introduction of several low-cost, energy-saving rural sow housing winter warm practical methods, hoping that for the majority of rural aquaculture can solve the sow housing winter warmth. 1. Set up the ceiling: Shearing the sow house must take the ceiling. The ceiling can be made of wood, reeds and other materials. Wooden planks were used as ceilings, and cuts were made on both sides of the boards. After the ceilings were finished, asphalt was used for corrosion protection. When reeds are used as ceiling, the leaves shall be removed, and 5-10 cm thick reeds shall be tied or made into curtains with iron wire. On the mud, 20-30 cm of sawdust shavings, perlite and other insulation layers shall be used. Internal heat can not escape from the sky, playing a warm role. 2. The use of high-density pig-raising methods: High-density swine refers to the increase in the number of pigs per unit area under reasonable conditions. However, at present, the farmer raises more pigs for a single column, a pig, a larger pigsty, and fewer pigs, which is another reason for the low temperature of the pig house. A pig is a "heat source", that is, the higher the density, the higher the temperature. Afghan sows, each head occupies 4-4.5 square meters, raising a nest in a circle; empty pregnant sows, each head accounted for 1.6 square meters, 4 square meters captive 2-3; 6-8 months old pig per head 0.8 square meters, 4-8 square caps 7-8. The circle includes eating, drinking, and resting places. In the resting place, the sleeping area should adopt a full-circle method, that is, the pig can be fully laid in the lying area without leaving any gaps, and the sleeping area should be kept clean and dry. 3, bedding grass: In the increase of density at the same time the use of thick bedding shop circle, it is an effective method of moisture-proof insulation in winter, bedding grass (wheat straw, straw, sawdust crumbs) a wide range of sources, run out of grass and pig manure fermentation together As an organic fertilizer, it is economical and hygienic. It is both warm and moisture-proof. It is a good thing that kills two birds with one stone. To use the method of laying grass and placing grass: Put 20-30 cm of grass-batten in the pigskin lying area, and the grass-bearing board is best made of brick and cement; put the standing brick 5 centimeters under the ground, more than 19 centimeters on the ground , Bricks with a height of 20-22 cm will be built with cement and the grass will be added to the lying area to prevent the bedding from spreading and the pigs peeing in the lying area. 4. Add piglets incubators: Newborn piglets are thin and thin, requiring temperatures above 30°C. Generally, the pighouses do not reach the required temperature. For this reason, special insulation boxes are provided for piglets. The piglets that most pig farmers set up are made from wooden planks. Such incubators are heavy and difficult to move. Insulated boxes made of plywood, though light, are easily bitten by sows. Therefore, lightweight and durable thin iron plates are preferred. optimal.
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