Plastic bags of silage can regulate the feed season and the shortage of off-season, ensuring the supply of livestock and poultry green season off-season, and the method is simple and easy, and the cost is low.
1, plastic bag production: the use of non-toxic polyethylene plastic film, requiring a thickness of 0.08 mm or more, the film is too thin and easy to damage, not silage. Then make a pocket 1.2 meters long and 0.8 meters wide. The seams are required to be airtight, solid and durable.
2. Timely collection of green fodder: Leguminous plants are generally harvested at the early flowering stage. Gramineous plants are harvested at the heading stage, and tuber plants are harvested during the lush growth stage. After harvesting, it must be processed in time. To pick clean green fodder, conditions can be disinfected once. Then cut into pieces of about 1 cm long and prepare for silage. When harvesting, it is necessary to pay attention to keeping raw materials fresh, so that they can be stored with the storage and prevent the green feed from rotting and deteriorating. The moisture content of the feed for silage should be moderate, and the general moisture content should be about 60%. Too dry feed can add more green feed or spray water to adjust humidity. The wetted feed may be dried off by removing a portion of water or mixed with some dry green feed to adjust the humidity.
3, bagging and sealing: The chopped green fodder is immediately loaded into a plastic bag. First, use a small amount of green fodder to fill in the two corners of the bottom of the bag, and then add the green feed layer by layer. Each layer of feed must be pressed firmly to eliminate the air in the pocket. But you can't use too much force to prevent breaking the plastic bag. When it reaches 80% full, tightly seal the plastic bag with a rope so that the seal is airtight. When bagging the feed, attention should be paid to scientific collocation. Legume feeds containing higher protein content can be stored together with grassy feed containing more sugars to increase the nutritional value of the feed. After bagging, one sack of feed can be stacked in a dry and ventilated place. Attention should be paid to frequent inspections to prevent the livestock and poultry from biting the plastic bag. If the silage bag is damaged, it should be promptly filled with tape, and the damaged bag should be replaced with heavy storage.
4, the use of feed: generally through 20 days or so feed that is good fermentation. When used, the open plastic bag can be identified through the senses. Good silage odor, yellow-green color, tight texture and loose, stems and leaves still remain the same. If the smell is stench, dark, brown, like mud-like sticks, it has deteriorated and cannot be eaten by livestock and poultry. Good silage can be given to livestock and poultry. The daily dosage of adult livestock is usually about 1 kilogram for sheep, 15 kilograms for cattle, and 8 kilograms for horses. Poultry can also be fed in appropriate amounts. It should be noted that livestock cannot feed silage during pregnancy to prevent miscarriage. Frozen silage should be used after thawing.
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