4MP Fixed Color Maker Turret Camera,Fixed Color Maker Turret Camera,Color Maker Turret Camera Tiandy Technologies CO.,LTD , https://en.tiandy.com Jinbao Fermentation Bed: Why Is It Not Hot in Winter or Summer?
With the pig-raising technology using fermentation beds, once called the "Lazy Han Pig Raising Act," which was broadcasted on Central Taiwan Station and various local stations, the concept of raising pigs on a fermented bed has sparked great interest among farmers and distributors. Many who have used this technology before are not surprised, as they've already experienced it firsthand and have no doubts about its working principles. However, some people who are unfamiliar with the technology and rely heavily on text-based information mistakenly believe that the fermentation bed is warm in winter and hot in summer. They worry that the heat from the bed combined with the high outdoor temperature in summer could make the environment unbearable for pigs, questioning the feasibility of the system. This misunderstanding has hindered the wider adoption of microbial engineering in aquaculture, preventing farmers from fully benefiting from the economic and environmental advantages of this high-tech solution.
In reality, the fermentation bed functions similarly to a hot spring, maintaining a relatively constant surface temperature regardless of the season. A properly functioning fermentation bed typically stays around 20°C on the surface, whether it's summer or winter. The temperature doesn't suddenly jump to 30-40°C in the summer or drop below freezing in the winter. However, people often feel cold in winter and cool in summer because their bodies are reacting to the changing ambient temperatures.
So why isn’t the fermentation bed hot in either season?
First, the fermentation bed is essentially a constant-temperature system. A 50-cm thick bedding layer (most commercial systems use 50 cm, while others may require up to 90 cm to 1 meter) maintains an internal core temperature between 40-55°C. However, as the heat moves upward through layers of non-fermenting or weakly fermenting material, it gradually decreases until it reaches the surface, where it stabilizes at around 20°C. This is similar to sleeping under a quilt — the inside is warm, but the outer layer feels cool due to heat dissipation.
Second, the surface of the fermentation bed does not generate heat. The top layer is not actively fermenting and therefore does not produce heat. Any heat generated from the lower layers is conducted through the litter and diminishes as it reaches the surface. Additionally, the surface constantly exchanges heat with the surrounding air, so even if a little heat is present, it quickly dissipates. As a result, the surface feels cool, just like other objects in the room during summer.
Third, the number of microorganisms and the amount of waste are limited. The beneficial microbes in the bed grow and die continuously. If the temperature goes beyond their optimal range, some will die off, reducing heat production. Similarly, the amount of pig waste available for microbial consumption is finite, leading to a natural balance over time. This prevents the temperature from rising indefinitely.
Fourth, the fermentation bed creates convective airflow. As the bed produces slightly warmer air than the surroundings, it rises, allowing cooler air to move in from the sides. Combined with mechanical ventilation, this creates a continuous airflow, making the environment feel more comfortable, similar to a fan effect.
In summary, the fermentation bed operates as a stable, temperature-controlled system. It remains comfortable throughout the year, neither too hot in summer nor too cold in winter, making it an efficient and sustainable choice for modern pig farming.