Maize whole plant silage: It is a kind of palatability made in the closed anaerobic condition through the anaerobic fermentation and chemical action of the whole corn with spikes in the late stage of corn milk or the early stage of wax ripening. Good feed with high digestibility and rich nutritional value. With the development of large-scale cattle farms in our country, it is imperative to use whole-plant corn silage to solve the problem of inadequate forage resources and poor quality of dairy cows. Therefore, mastering the correct storage technology during the silage process is the key to improving the quality of corn silage whole plant and ensuring that the cows have a balanced supply of green and green feed all year round.
I. Preparation of silo pits: At present, the silo pits in our flag are mainly pits on the ground. The size of the livestock farm should adopt a rectangular cellar with a width of about 3 meters and a depth of 2.5-3.5 meters, the length of which depends on the amount of silage. When selecting a site, it should be selected where the terrain is high, the soil is hard, close to the barn, and away from the water source. The wall of the pit wall should be firm, airtight, watertight, and the interior should be smooth and flat.
Second, the choice of harvest time: the whole plant silage corn harvest to grasp the timing of harvest, premature straw and ear nutrition is not full, and the water is too large; too late, the ear is hard, silage after feeding effect. Appropriate harvesting period is from the late milking stage to the early waxing stage, ie, the moisture content of the whole plant is 65-70%, and the actual water content of the seed is 45%-60%, about 15-20 days ahead of the normal harvest, and the appropriate harvest time of our flag is appropriate. Around August 20th.
Third, the whole plant corn chopped: In order to ensure the formation of anoxic environment, corn stalk must be chopped, the length of about 2 cm is appropriate. Our flag-scale livestock farms mostly use large-scale silage combine harvesters to harvest and crush the corn fields, and directly transport them to pits.
Fourth, the filling of the silage: Before filling, clean the silo first, the bottom should be padded with a layer of 10-15 cm thick short straw or soft grass, in order to absorb the juice when the upper step on pressure. The large silo is installed from one end and pushed together with a loader, and is gradually loaded to the other end so as to fit about 1 meter above the pool.
5. Sealing of the silo pit: When filling 30 cm from the pool, lay a plastic film on the pool wall to seal the pool. After the silage is installed in the silo shape, cover the top of the pool with a plastic film and press the wet soil. Centimeter or compacted with car tires to prevent air infiltration and rain infiltration, resulting in deterioration of silage.
In short, the main point of whole plant silage production is to achieve "six plus three." "Six Follows" means that with the receipt of, with, together with the transport, with the equipment, with the pressure, with the closure, "three important" refers to the short, to be tight, to be sealed.
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