In terms of breeding professionalism, is it appropriate to use the fermentation bed to raise pigs in the south? Friends from the south, customers from the north frequently asked me such questions. They are sure that the ecological climate of the fermented-bed pigs is a way to maintain pigs, and they are concerned about whether the southern climate is suitable for such pig-raising methods. The Jinbao Fermenting Bed Pork Law Here I once again responsibly told them that it is a good idea not to worry about the temperature problem. The fermentation bed is a constant temperature bed, which is like a well water, maintaining a temperature all year round. Some worry that in summer, pigs are afraid of high temperature, the concrete floor can be watered and cooled, and there will be high temperature on the fermentation bed. How to cool down? This question will be here to help everyone answer:
Fermentation beds are not hot in winter and summer, why?
First, the fermentation bed is basically a constant temperature bed. A 100 cm thick bedding fermentation bed, regardless of winter and summer, its inner core fermentation layer is in the range of 40-55 °C. However, the temperature of the underlying fermentation and the amount of heat it generates, after passing through other litter mediums that are not fermented or have a weak fermentation intensity, will gradually decay when they reach the surface. A few degrees.
This point is somewhat similar to winter people sleeping in bed, the temperature inside the bed is about 30 °C, the body inside the quilt by the body temperature of about 37 °C continue to generate heat, but the quilt is a cool feeling of the outer layer of the hand touched, The temperature in the room may be only 17-18°C, which is almost the same as the fermentation bed. The reason for this is that the heat transfer through a few centimeters of the bedding heat is not much, and the outermost layer of the bedding is in constant contact with the air and frequently exchange heat. Therefore, the mattress is still cold and not hot.
Second, the surface of the fermentation bed does not produce heat. The surface of the fermentation bed can not be fermented, does not have the conditions for fermentation, and does not produce heat at all. Regardless of summer or winter, heat is transmitted from the middle and lower core fermentation layers. The hot, poor conductor—that is, the 10 to 20 centimeter surface litter, gradually decays to the surface only twenty degrees. To say the least, because the surface layer and the outside world exchange heat at any time, even if a little heat is generated, it will quickly disappear due to the rapid convection with the air. Therefore, in the summer, the surface of the fermented bed is touched by hand, and there is still a cool feeling like the surface of other objects in the room.
Third, the total number of strains and total amount of excreta are limited. The functional strains in the fermentation bed are constantly dying while they are growing. The functional microorganisms have a temperature zone suitable for their own growth and reproduction. If a certain temperature range is exceeded, some bacteria will die, and the heat generated will be It will be reduced to lower the temperature; in addition, the excrement of pigs that can be used by microorganisms (such as functional microbes in fermentation bed starter) is also limited. Over time, the effective function of living microbial stock and pig manure stock can certainly A dynamic balance is formed, so that neither the generated temperature nor the heat can rise or increase indefinitely.
Fourth, the fermentation bed can produce convective air flow. Because when the fermentation bed generates hot air that is slightly higher than the ambient temperature, the hot air rises, the cool air drops, or is injected from the periphery, plus there are also normal mechanically assisted ventilation ventilation, which can cause the air to form convection flow. Avoid the kind of warm and stuffy feeling, like a fan, but feel cool in the bed. In summary, the fermentation bed is basically a constant-temperature bed, which is not hot in winter and in summer.
The use of trophoblastic fermentation bed pig EM strain production of a more standard piglet fermentation bed, the surface layer (about 10 ?) is actually a protective buffer layer, does not ferment or fermentation intensity is very low, the real core of the fermentation layer is generally on the surface The 20-30 cm cushion layer below 10 cm, the surface temperature is generally around 20 degrees, not too high. In addition, the structure has taken into account the ventilation requirements, hot air rises, cold air enters, convection, can solve the air circulation The problem is that the summer is not only boring, but cool. When the sun is strong in the summer, you can put down the shade net and hang the skirt film around, creating a very good ventilation and cooling environment. It also controls the feeding density of pigs. The pig's stocking density should not be too high, generally 1.2 to 1.5 meters or 2 meters per pig is appropriate, and piglets can be appropriately increased in density. In addition, the temperature of the fermentation bed itself can also be reduced by adjusting the thickness and the humidity of the fermented mattress material. Therefore, the fear of overheating in the summer is superfluous.
The zero-emission health pig raising technology using the fermentation bed pig raising method can not reduce the normal immunization procedures, especially for large-scale pig farms, but the amount of antibiotics and other drugs can be gradually reduced, and the reduction can generally reach over 50%. All the pig farms adopt this technology. After the normal operation for six months, the use of drugs will also drop sharply.
The hard-surface platform is mainly used as a place for pigs to eat and live, and it can also be used for pigs during the summer season. In particular, the boars and hens must be kept in the barn. The nursery sheds with water tables can be left as little or as hard as possible. Ground platform. Of course, through our experiments, when the hottest weather, such as a temperature of 38 degrees Celsius, the pigs did not have any adverse reactions, everything was normal. One of the effects of leaving the cement floor was to reserve the time for cooling in the summer, and the other pigs could eat food on the concrete floor. get on. In the case of pigs allowed. It is also possible to separate a concrete vacant floor from the fermentation bed by a fence, and in the summer it can be used to cool the pigs.
Jinbao Fermenting Bed Pig Technology North and South China can all, zero-emission healthy pig breeding technology for pigs has no choice, suitable for boars, gilts, pregnant sows, maternity, nursery pigs, bred pigs and other stages of the pig group. Except for the slight difference between the size of the fence and the conventional breeding in the nursery and rearing stages, the other stages are basically the same as the conventional cultivation. During the conservation and breeding stages, the lap fence may be slightly larger than conventional breeding. In the nursery period, the culture density can be higher than that of conventional cultivation, and generally can be increased by more than 20%; however, the bred stage should be slightly lower than the conventional culture density, slightly lower by about 10% in summer and almost flat in winter.
It can also be used in the South. The material in the pig house should be insulated. Fans must also be added. Sprinkle some water in the passage of the pig house when appropriate.
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