The four types of pigs are introduced
1. Floor trough structure: The style is similar to the traditional medium-sized pig barracks, with walls on three sides, height: about 50 to 70 cm for nursery pigs and about 90 to 110 cm for medium to large pigs, generally about 10 cm higher than the litter layer above. Set 50~80cm height iron rails to prevent pigs from running out. Advantages: The barn is higher than the ground, rain is not easy to splash on the litter, and the surface water is not easy to flow to the litter, the ventilation effect is good, and the litter out of the convenience. Disadvantages: The overall height of the pig house, the relatively high cost; pigs inconvenience to the group; due to feeding the material above the ground, feeding inconvenience. 2, underground tunnel structure: according to different types of pigs under the ground digging, which is litter below the ground. Depth: about 40-60cm for nursery pigs; about 80-100cm for medium-sized pigs. Add 50~80cm iron rails above the fence to prevent pigs from running out. Advantages: The overall height of the pig house is low and the construction cost is relatively low; the pigs are convenient to transfer to the group; feeding the feed is convenient because the feeding table is level with the ground. Disadvantages: It is easy for rain to splash on the litter; it is inconvenient to move in and out of the litter. The overall ventilation is worse than the ground trough. High groundwater level is not easy to construct. 3, semi-tunnel structure: that is, between the ground trough structure and the underground tunnel structure, generally in the ground, usually at the surface, can be chosen according to local conditions. 4. Transformation of old pig farms: Using old pig farms, keeping the basic structure unchanged, increasing the height of 40 cm in the aisles of the pig house to form a natural pit, and adding 40 cm of dunnage can be used. This can save a lot of money, quickly build a microbial fermentation bed, is conducive to the transformation of old pigs.
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