In rural aquaculture production, self-made feeds are used for the harvesting of silage-fed maize. How silage it? The technical points are now described as follows:

First, the principle of straw silage is the use of microbial lactic acid fermentation to achieve a long-term preservation of the nutritional characteristics of green and juicy feed. Silage is the use of fresh corn stems and leaves or whole plant chopped, sealed storage, so that the plants themselves breathe to create anoxic conditions, and lactic acid bacteria produce lactic acid on the anaerobic fermentation of silage, so that when the pH value is reduced to 4 or so, most of the The microorganisms stop breeding. Finally, the lactic acid bacteria itself accumulates due to lactic acid and is stopped by its own lactic acid control, thereby achieving the goal of long-term silage.

Second, silage technology is a timely compaction, after the chopped silage, it should be immediately loaded, and manual compression, usually about 50 cm per load rolling once; Second, leveling, silage after loading the last time Rolling, especially the surface should be flattened, and the silage should be close and even; the third is to leave about 1 meter of ground around the edges of the silo pile; fourth is the cover film, choose 12 silk thick, dark or white, high strength The unbreakable plastic film covers the compacted flattened silage pile, and about 1 meter of plastic film is placed around the silo pile, while the top layer is pressed with 10~20 cm thick yellow sand. , and carefully check the film, with or without holes, if there is a hole in the sealant with adhesive; Fifth, the outer layer of plastic film is covered with a color strip cloth, which is compacted with sandbags, stones, scrap tires, etc. Damage, bird food, rodent damage; Sixth, after one month of silage, the animals need to be taken with the food, take it with you after opening, if not take the material for a long time, use plastic film to cover the material, Prevent ventilation and mildew.

III. Precautions The whole plant will be harvested when the water content of the forage maize during the milking period is 65%~68%, that is, the cutting time is determined to be the best around 120 days after sowing. The corn plants are chopped to 3~5cm with a trowel, and then 15kg of water per 100kg of raw material is sprayed in a watering can. Then a small amount of urea (5kg of urea per 100kg of raw material) is added, and the cement and brick are mixed after mixing. In the silo constructed, sealed after compaction, the silage can be fed for 40 to 60 days. Matters needing attention: 1. Fill the plastic bag of the silo to cover the plastic of the silo as far as possible to avoid leaving air, prevent airborne mold and other spoilage bacteria from breeding, resulting in failure of silage. 2. To create a suitable silage temperature, when the material temperature is 25 ~ 35 °C, lactic acid bacteria will multiply, more than 50 °C will cause silage spoilage. 3. Minimize the time of grass and bagging and loading the tank as much as possible to prevent the raw material from being spoiled before bagging or loading. 4. Take care to prevent rats. Rats like to eat corn kernels in silage and bite into plastic bags can cause silage failure.

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