Piggery farming house construction is one very important and high cost matter, a well considered and designed house can increase the piggery farm running efficiency in a great extance.
The ratio of boar to sow is about 1:50 or 1:100. Each boar house is 4 to 6 meters long and 2 to 3 meters wide. Each boar has an independent stall. The surrounding wall (or iron fence) shall not be less than 1.2m.
It is better to lay the semi leakage or full leakage floor and use the method of bubbling dung for sewage discharge. It is necessary to equip with positive pressure ventilation, auxiliary pressure cooling and tank ditch ammonia drainage equipment.
Empty sow house can be built side by side with boars to facilitate boars’ situation induction and investigation.
The Piggery farming design and construction of the empty sow house is based on the increase of 10% of the breeding quantity of one batch, or the stock quantity of two batches can be used to build a unit.
The floor shall be paved with full leakage floor, and the sewage shall be discharged by soaking feces or mechanical feces, and the positive pressure ventilation, auxiliary pressure cooling and trench ammonia drainage equipment shall be equipped.
The feeding mode can be either manual feeding or precise feeding by automatic feeding system.
The mating house shall be constructed according to the production mode of one batch per 3 weeks, and the number of units and limit columns. The sows after breeding live in the breeding house for about 12 weeks and then transfer to the sow pregnancy house.
The Piggery farming floor shall be paved with full leakage floor, and the sewage shall be discharged by soaking feces or mechanical feces.
It shall be equipped with positive pressure ventilation, auxiliary pressure cooling and trench ammonia drainage equipment.
The medium and large farms can adopt the automatic feeding precision feeding method, and the small pig farms can adopt the manual precision feeding method.
The gestation houses of sows shall be built according to the number of sows in one batch. Each unit is divided into several activity bars, and each bar shall be used for the group feeding of 5 to 10 heavy pregnant sows.
Each sow in the pregnant houses shall be equipped with a 3.5 to 5 square meters of activity space for group feeding.
The houses shall be equipped with half limit bars and food slots with the same number of sows, so as to avoid that the sows with weak personality cannot grab food.
Behind the half limit bars is a free activity space, It can increase the activity of heavy pregnant sows, reduce the incidence of constipation and clubfoot in heavy pregnant sows, and also reduce the production of white fetuses in sows.
An intelligent identification precise feeding equipment can also be installed in each unit to ensure the precise feeding of each sow.
The design and construction of sow pregnancy house is an important link related to the improvement of sow health level and production index.
It must be designed and constructed with the goal of improving sow welfare and improving sow health index. The sub-health of sows during pregnancy is caused by long-term confinement in the limit column.
The floor of pregnant houses shall be paved with full leakage floor, and the sewage shall be discharged by soaking feces or mechanical feces. Positive pressure ventilation, auxiliary pressure cooling and trench ammonia drainage equipment must be equipped.
Sow farrowing houses can be designed and constructed in one unit or multiple units according to one batch.
Small pig farms can be constructed in one unit and one batch, or two batches share one unit. However, sows of more than 3 batches can not be produced in one unit.
The space of the limit bar of the sow delivery bed must be designed and constructed according to the shape characteristics of the sows in the pig farm, and a certain space must be reserved to ensure that the sows live comfortably on the delivery bed and reduce stress.
Piglet incubators should be equipped with geothermal heat preservation and heat preservation lamp equipment. The delivery house shall be laid with semi leakage board, and the sewage shall be discharged by bubbling feces.
It shall be equipped with positive pressure ventilation and auxiliary pressure cooling and ammonia discharge equipment. It is suggested that the sows in the delivery house should be fed with automatic feeding and manual precise feeding, and the small farms should be fed with manual precise feeding;
Small, medium and large piggery farming shall build one nursing unit in a batch, or multiple units shall be closed to one batch of piglets.
Multiple batches of nursing pigs shall not be fed in one unit. Only in this way can the all in and all out system be achieved, which is conducive to disease prevention and control and disease purification in pig farms. The best way to lay the ground is to lay a half leaky and half cement ground, and lay geothermal insulation equipment on the cement ground to ensure the insulation work during the piglet care period.
The sewage can be discharged by soaking feces or mechanically covering feces. It shall be equipped with positive and auxiliary pressure ventilation and cooling equipment and ammonia discharge equipment.
It is reasonable to design and construct the nursery according to the density of 0.4 to 0.7 square meters per piglet. The nursery suggests that the artificial and mechanical feeding method is better, and the freshness of the feed should be ensured every day.
The design and construction of three-point fattening houses is to design the number of construction units according to the turnover of each batch of nursing pigs, and the two-point production method is to design the number of construction units according to the number of weaned piglets produced by each batch of sows.
Medium and large-scale piggery farming are suitable for batch two-point production. Only when each batch of pigs is in the same unit or multiple units can the full in and full out system be achieved.
Small piggery farming can be designed with 1 or 2 batches of pigs in one unit. The area of each pig in the fattening pig house is 1 to 1.2 square meters, and the density is appropriate. Two thirds of the leaky floor and one third of the ground are paved with geothermal thermal insulation equipment.
The sewage can be discharged by soaking feces or mechanically covering feces. It shall be equipped with positive pressure ventilation, auxiliary pressure cooling and trench ammonia drainage equipment.
Install automatic feeding equipment system, or use manual and mechanical semi-automatic feeding equipment to reduce labor costs and reduce frequent direct contact between personnel and pigs.
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