Barn construction requirements

1. Cowhouse architectural form and orientation: double slope type. The available area is large, the applicability is strong, the construction cost is low, and increasing the area of ​​doors and windows can also enhance the ventilation and ventilation. The position of the cowshed: Generally, it faces south in the north and 15 to 16 degrees in the east, so as to keep the interior cool in winter and cool in summer.

2. Cow bed arrangement: 30 heads can be single-row type, and 30 heads or more can be double row. Double-tailed tail-to-tail type (feeding channel on both sides, cleaning channel in the middle) and head-to-head type (feed channel in the middle, cleaning channel on both sides).

3. Cowshed area: adult cows with g m2 per head, 100 cows with a length of 80m and a width of 12m (building area); young cattle with 8 cr12 per head, 100 cows with a length of 75m and a width of llm; breeding cattle with 7.0 m2 per head, 100 cows are 70m long and lOm wide; yaks are 5 rr12 per head, and 100 cows are 55m long and 9m wide.

4. playground. Generally on the south side of the cowshed, the area is twice the size of the cowshed (that is to say the length of the cowshed plus the width of the cowshed). It is 20 II12/head for cows, 15 II12/head for young animals, and 10 for juveniles. Ffl2/head. The sports grounds are required to be flat, dry, high in the middle, low in the surrounding area, and convenient for drainage. The ground has three soils, vertical bricks and cement. From a current point of view, it is better to use standing bricks because: one is that it can seep water, and the other is that winter is not cold and summer is not hot. It is best to have a arbor in the playground.

5. Pergola. Generally 3.5m high, the area of ​​the pergola is generally one quarter of the playing field area.

6. The silo should be set in the corner of the cattle farm. According to the average annual density of 7,500 kilograms of cows per cow and the average density of wheat and corn silages of 550 kilograms per cubic meter, each cow needs 16 m3 of silage volume. The number of cows can be converted by 85% of the total number of cows.

7. The shed should be set in the corner of the cattle farm, away from the living area, in order to prevent fire. According to the requirement of 1,500 kilograms of hay per cow per year and a hay density of 250 kilograms per cubic meter, each cow needs 6 m3 straw shed volume.

8. The milking parlour or milk storage and milk treatment room should be set in the central position between the coops so that the cows on the starting platform or the people carrying the fresh milk can take the shortest distance. The size of the milking parlour (number of milking cows per head) is calculated by dividing the number of cows per head by 15; for example, 300 cows can be designed with 210 fishbone milking matrices, and 400 cows can be designed with 212 fish bones. Milking station.

9. The delivery room and the newborn yak room should be located between the cowhouse and the backyard. The number of beds in the delivery room can be set at 20% of the number of cows (including dry cows and beds for perinatal cows). The maternity room and the primary calf isolation room should be set up in the delivery room. The yaks are reared in the isolation room for 7 days and transferred to the yaks of the reserve cowshed.

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