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1. Ground trough structure:
The style is close to the traditional big pig barn, three walls, height: about 50 to 70 cm for nursery pigs, about 90 to 110 cm for medium and large pigs, generally about 10 cm higher than the cushion layer, and iron with a height of 50 to 80 cm above. The railing prevents the pig from running out. Advantages: The pig's face is higher than the ground, the rain is not easy to splash on the litter, and the ground water is not easy to flow to the litter, the ventilation effect is good, and the litter is easy to enter and exit. Cons: Pig homes overall height, the cost is relatively higher; pig transfer group inconvenience; because the fed material platform above the ground, feeding inconvenience.
2. Underground tunnel structure:
Digging according to different types of pigs, that is, the litter is below the ground. Depth: The nursery pig is about 40 to 60 cm; the medium and large pig is about 80 to 100 cm. Add a 50-80cm iron railing at the top of the fence to prevent the pig from running out. Advantages: The overall height of the pig house is relatively low, and the cost is relatively low; the pigs are convenient to transfer; because the feeding platform is flat with the ground, feeding feed is convenient. Disadvantages: Rain water is easy to splash on the litter; it is not convenient to enter and leave the litter. Overall ventilation is worse than the ground trough. The groundwater level is not easy to construct.
3. Half tunnel structure:
That is, between the ground trough structure and the underground tunnel structure, generally in the ground, generally on the surface, can be selected according to local conditions.
4. Old farm reconstruction:
Using the old farm , keep the basic structure unchanged, and raise the height of 40 cm in the walkway of the pig house to form a natural pit. Add 40 cm of litter to use. This can save a lot of money and quickly build a microbial fermentation bed, which is conducive to the transformation of the old pig house.
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