As the strains in the fermentation bed require a specific temperature and humidity environment, and the bacteria species produce a large amount of heat energy when decomposing the organic substances in the feces, the temperature and humidity in the pig house are relatively high. Therefore, the design of the ventilation system of the pig house in the pig-breeding technology of the fermentation bed is one of the key technologies for the success or failure of the technology, and the emphasis should be placed on ventilation and lighting.
The pig bed in the fermentation bed can be slightly modified on the basis of the original pig house. It is generally required that the pig house should be oriented east-west, north-facing and south-facing, with sufficient lighting and good ventilation. The north and south can be opened to facilitate the more appropriate growth and reproduction of microorganisms. Usually, the area of ​​each sty is about 25 square meters and 15 to 20 pigs can be kept. If greenhouses are used, it will save both money and money because of the low cost of greenhouses and the easier adjustment of the microclimate. In winter, when the lighting is good and the temperature is kept warm, the pigs can safely pass the winter; in the summer, the sunshade film is put down, and the skirt film can be shaken to cool the air.
A feeding trough and a drinking fountain are arranged on the side of the pigshed, and a water receiving container is added at the bottom of the drinking fountain to draw the leaked water out of the house so as to ensure no flow into the litter area so as to prevent the water from being filled with moisture.
Fermentation bed management has its own unique place, so the usual management must also be different.
Pig rearing density: According to the condition of the fermentation bed and the season, the rearing density is different. Generally, it is advisable to occupy 1.2-1.5 æ¯ per pig, and piglets can be appropriately increased in stocking density. If the management is meticulous, higher density can maintain the good condition of the fermentation bed. Taking into account the saving of bed materials and labor saving, the summer breeding density can be 1.2 ?/head and winter 1.5 ?/head.
Dry and wet fermentation bed: The fermentation bed should not be too dry. A certain amount of humidity is conducive to the propagation of microorganisms. If it is too dry, it may cause pigs to develop respiratory diseases. Probiotic diluents can be sprayed on the bed at regular intervals. The humidity on the bed must be controlled at about 60%. Too much moisture should be used to open the vent to adjust the humidity, and the excessive humidity should be promptly removed.
Deworming: Before the pigs are introduced, they must use appropriate drugs to drive off the parasites and prevent the parasites from being introduced into the fermentation bed so as to prevent the pigs from bringing the eggs back into the body and causing the disease.
Pay close attention to the activity of probiotics: if necessary, add probiotic liquids to adjust the probiotic activity to ensure that the fermentation can proceed normally. The pig house should be regularly sprayed with probiotic liquid.
Control Feeding: In order to facilitate the pig arch over the ground, the pig's feed should be controlled at 80% of the normal amount. Pigs usually defecate and pee in a fixed place, and dig pits when the excrement piles up.
Chemical drugs are banned: Chemicals and antibiotics are prohibited in pig stables to prevent the killing and suppression of probiotics and to reduce the activity of probiotics.
Ventilation: The moisture in the housing is large and ventilation and ventilation must be observed.
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