First, the site selection. It is necessary to build a site where the terrain is slightly high or easy to drain, dry and ventilated, south-facing to the north, soil is hard, traffic is convenient, and it is far from the slaughterhouse and livestock trading market. The shed asks for support between the LimWo room and the outer chamber, and the production area is isolated from the living area.
Second, Li Wo room design. The Liwo Room is a place for wild boars to sleep, a litter, and a diet. The space is about 3.5 meters long and 3.3 meters wide. The height of the shed is about 2.5 meters. The shed covers the oil felt and then covered with rice straw (or wheat straw) 12 centimeters. For example, the roof of the shed is raised, so that the shed is not hot in summer. In the establishment of the circle, if the south-facing land is insufficient or not equipped with a built-in circle, it is also possible to build a row of pigsty in the north, but the stadium is required to extend for another 1 to 2 meters so that the “wild boar†can dry every day in winter. A few hours on the sun; at the same time, cover the thicker plastic film at night to hit the north wind.
Raising wild boars in cold places can create a warm circle in the shape of a yurt for winter cold pigs. The method of construction is to first use 16 to 20 sapling heads of about 1 meter and insert it into the ground around a circle with a diameter of 1 meter as a column pile, and weave the string tightly around the tree stump with rice straw bundles or straw bundles. The top is braided and then the clay paste is placed on the straw bundle. On the south side of the warm circle, leave a 30-cm wide and 34-cm-high door that allows the piglets to come in and out freely. This hole must be close to the special hole in the nest room, the size of the warm nest hole size, so that the piglets in the inner litter after entering the straw nest warm nest to sleep. The three sides of the warm circle are built with 1 meter high cement bricks as protective walls to prevent the sow arches from warming up. In this way, even in the cold winter, piglets grow quickly. Both the Liwo room and the outer chamber should be painted with cement mortar to create a clear, low-lying appearance so that the water can be rinsed and urinated in summer. However, the floor must not be too smooth to prevent slippery foot injuries when wild boars are mated.
Sow feeding trough: length and width 60 cm, 40 cm, height 8 cm, made of cement mortar. The side of the feeding tank facing the outer chamber should be swept to a 45-degree bevel so as to clean up the remaining food.
Piglet-inducing trough: The standard brick station is used to build a standard brick half wall with a height of 36 cm, a length of 143 cm, a space of 6 cm, a space of 16 cm each, a height of 36 cm, and a distance of 70 cm from the ground, and is leveled with a cement mortar. In this way, piglets are not eaten by the sow when the piglet feeds it for 8 to 10 days.
Third, the outer chamber design. The outer nest is actually a playground for boar drinking, sports, and sunbathing. The outer chamber is 4 meters long and 3.3 meters wide. The three sides are made of cement bricks to form a 1.2-meter-high wall and a 80-cm wide door opening is installed. The Yuangang gate with a diameter of 10 mm is installed. At the same time, it is required to build a drinking pool that is conducive to drainage, and wipe it with cement mortar. The pool is 1 meter long, 0.4 meters wide and 0.22 meters deep.
Fourth, build a channel. Special boar boars are more agile than home boars. In order to facilitate breeding, a short wall of 1 meter in height must be built 1.2 to 1.5 meters from the outer nest to form a passage. When breeding, the boar can enter the shed of any estrus sow successfully through the channel, complete the mating task, and then return to the original nest through the wall channel.
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