Although fermented-bed breeding pigs have the characteristics of being warm in winter and cool in summer, in some areas, enterprises may suffer from problems such as house building, selection of fermentation bed leavening agent, and summer maintenance. How can the greatest possible increase in economic efficiency be achieved during the summer, so that the pigs can only cool in the fermentation bed in the summer?

1. Do not use high-heat fermentation bed bacteria

Excessive calorific strains have several major disadvantages: They keep the litter hot; they disintegrate the coarse fibers of the litter too quickly, shortening the useful life of the litter; due to continued high heat and severe knots, they must be continuously excavated. Therefore, it is recommended to use a mild type of fermentation bed strain, as long as the normal decomposition of pig manure (2 to 3 days), slow decomposition of the crude fiber of the litter, this strain is the best fermentation bed bacteria.

2. Increase the fermentation bed cooling facilities

In general, a pure high-temperature climate will not bring high temperature to the dry-type (Gerbet) fermentation bed, but the continuous high temperature and high humidity, together with the poor ventilation of the housing, will cause abnormal or high temperature of the fermentation bed. Therefore, it is recommended that large fans be added to the pig house to allow the air in the pig house to circulate. For some pig farms, due to design problems, the inside of the house is too sealed and most of the heat cannot be dispersed. The roof louver can be combined with the exhaust fan or the wet curtain-fan cooling system to solve the problem of stifling heat.

3. Properly reduce the feeding density of the fermentation bed

In high-temperature season pigs, the effect of pig body heat when the breeding density is slightly larger can cause the increase in the environment temperature of the pigs, and the higher the pig's stocking density, the more excrement of pig excreted. The higher the temperature produced by the material fermentation. General recommendations, spring, autumn and winter for the normal level of culture, the following summer, 30 kg of pig 1? / Head, 30-60 kg pigs 1.5? / Head, greater than 60 kg of large pig recommend at least 2? / Head.

4. Timely tipping fermentation mattress material

The timely dumping of litter allows the stored heat in the litter to escape. In summer, the number of upsets of fermented mattress materials is increased. For example, the mattress material is inverted and flipped once every 2 to 3 days. The upholstery of the fermentation bed is exposed to the surface layer through the upside down motion, making the air in the surface layer fast. Exchanging heat and moisture, the heat is scattered and moisture evaporates, and the temperature of the center layer of the fermentation bed is quickly and effectively reduced.

Under normal circumstances, the fermentation bed is a constant temperature bed, and the temperature in the summer is not too high. Farmers do not need to worry too much. If the temperature is too high, they can be treated according to the above method, allowing the pigs to cool in the bed for one summer.

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