Effect of Litter Humidity on Application of Fermentation Bed
Effect of Litter Humidity on Application of Fermentation Bed
First, the impact of dry and wet litter on the fermentation process
Fermentation of the fermentation bed is mainly an aerobic reaction. The fermentation process not only supplies oxygen, but also discharges generated exhaust gas and transpiration vapor in time. This requires good air permeability of the litter. The moisture in the wet litter occupies space and is not conducive to gas flow and exchange. Dryer padding is good for breathability, which is good for fermentation.
The drier the dry, the slower the heat transfer, the better the insulation effect. This ensures that the fermentation layer in the middle of the litter accumulates a higher temperature. A higher fermentation temperature not only improves the fermentation efficiency, but also accelerates the rate of transpiration of excreta and water, so the dry-type fermentation bed does not need to use a very thick padding.
The thickness of the baby dry spread mattress material is only 40-60CM. It is dry, the burden of water evaporation is small, the moisture content is not easy to exceed the standard. Conversely, the wet fermentation bed itself has a lot of water, and if it is careless during maintenance, it may cause excessive moisture, which may lead to a dead-bed phenomenon.
Second, the impact of padding moisture on pigs
Dry litter has high fermentation efficiency, so in the same area, the dry-sparing fermentation bed has one-third more pigs than the wet-type fermentation bed.
Pigs are uncomfortable lying on wet litter, especially in summer. The litter is dry and the pig feels comfortable when lying down. Dry litter obstructs the heat transfer from the fermentation layer and the pig lies in the summer and does not feel too hot on the dry spreader.
Third, dormancy performance comparison
When the wet fermentation bed is not fermented, the vigor of the bacteria species decays quickly in the wet environment, so it is not suitable to leave it empty for a long time. After the dry fermentation bed is made, if there is no excrement into the litter, the fermentation process will not be started. At this time, the bacteria species are in a dormant state, and the short-term viability will not be greatly attenuated. Therefore, it is also possible to feed the newly-laid golden baby dry spreader for a period of time before feeding the pig. The used golden treasure dry spreader can also feed the pigs for a period of time.
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