The biggest problem in China's swine industry is the unreasonable design of pig farms, or the inconsistency of farm construction and other aspects. Ever since then, there has always been a problem with the changing seasons every year. A good farm design plan can be strategized, and it will be a one-time job.
There are many problems in raising pigs in winter. On a large scale, it is a seasonal issue. On a small scale, it is an environmental issue. Few people consider the construction of pig farms, but this is the root cause of many pig raising problems in China. It is due to the unreasonable design of the farm or the uncoordinated construction of the farm and other links that led to the emergence of swine problems.
1 delivery room problem
1.1 Problem Introduction In the previous stage, I went to some pig farms and saw problems in each pig farm. However, the problems were not the same, and most of them were related to pig house construction.
This is a case of a pig farm delivery room. The piglets have been weaned, but the situation is very poor. The piglets are not even in size, and the water on the leaking panels is very dripping. The moisture in the houses is very large. According to the breeder, the pigs are in winter. The pigs are not good to keep, and the mortality rate is much higher than in other seasons. Understand this situation, we analyzed the pig house, that the most important reason is that the humidity is too high, resulting in high humidity reasons in addition to water leakage, the most important reason for the deluxe Liu Dewang is closed too tight; wall has Exhaust fan, but because of fear of cooling, usually dare not open the ventilation. The breeder also reported that the situation of the pig house opposite the row of pig houses was much better, the humidity was low, and the pig survival rate was much higher. After comparison, it was found that the pipes of some pig houses are on the same side as the heating pipes, while the poor pig house pipes are on the opposite side of the heating pipes, and the water pipes often have water drops; the water dripping on the same side pipes falls on the heating pipes. Evaporation quickly, but the water dripping from the opposite pipe can only fall on the ground; in this way, the ground under the same side of the pipe is dry, while the ground under the opposite pipe is wet.
In another farm, the time was not separated from that before and after the farm, but the situation in the delivery room was completely different. In contrast to the above farms, this pig house is heated by a hot air stove. In a small change, the suckling piglets here lived so well that it could be said that they had risen from hell to heaven.
1.2 Analysis of pigs in different stages has different focuses. Grasping these points is a much less problematic issue. In today's pig farms, the importance of drying is greater for suckling piglets than for other factors; because the temperature is well known and needs no reminder from others, humidity is the easiest to ignore and leads to The most problematic factor.
1.3 Delivery room design recommendations 1.3.1 The delivery room must have good ventilation performance, and the best place to stay is in the hot area.
1.3.2 In order to ensure good ventilation, it is recommended to use a high bed to provide good ventilation under the bed.
1.3.3 Winter heating methods must be considered in conjunction with ventilation; furnaces, floor heating, and hot air furnaces are dry heating facilities that are not prone to excessive humidity; ordinary plumbing will often cause dampness in the house, and winters will have to Consider mechanical ventilation to keep the house dry.
1.3.4 Cooling in summer When using water to cool, it cannot be done at the cost of increasing the humidity in the house. When cooling, it must be combined with ventilation to prevent the humidity from being too high.
1.3.5 The sow's head, preferably in the same direction as the drain, is a major contributing factor to the humidity in the house. It is caused by the sow playing with water. If the sow splashes the water, it will flow away directly. The tail is easy to keep dry; pigs do not have a lot of urine output, and they are in high places. When they reach a low place, they can only be a line, and it is not easy to cause excessive humidity.
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