Three elements of fermentation bed technology
1. A reasonable building (renovation) is the basis. Reasonable construction planning can effectively prevent the waste of resources caused by improper design, such as empty columns and pending columns, and ensure maximum profit under limited investment. The construction of a proper fermentation bed pighouse can make litter fermentation with better decomposition effect and useful life. Longer, more convenient to maintain, to achieve the real purpose of cool winter and cool, cost-increasing purposes. The construction of a piggery in a fermented bed must be adapted to local conditions. It is not possible to copy and copy. Northeast China, North China, and South China have great differences in construction and management because of different climate and environment. The fermentation beds in Hebei Province are usually underground or semi-underground. The depth of the fermentation mattress materials is 60-80 cm for bred pigs, 40-50 cm for nursery pigs, and 80 cm for sows. The biggest investment in the farm is basic construction. The appropriate construction materials should be selected according to the scale of the farm, the planned breeding period, and the current raw material price. For example, if there are sufficient funds, land ownership, and plans to raise for more than 20 years, an optional brick and tile structure is available. At present, the cost per square meter in Hebei is between 150-200 yuan. If leased land is used for a short period of time, an activity board room (glass fiber reinforced plastic) can be used. The tile) structure costs between RMB 65-80 per square meter and can be used for 8-10 years.
Several disadvantages of pigs on the cement floor are: airtight, impervious to water, lack of trace elements, and frequent flushing of the excrement with water. The environment is dirty and the cost is high.
These defects, such as airtightness, impervious to water, and more money, are easily understood by people, except that there are no trace elements, and it is not convenient for pigs to turn their food in order to feed the pigs less than the necessary trace elements, resulting in many illnesses. It is not easy for people to understand the cost of medical expenses, so we must choose an environmentally friendly culture method.
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