Grass-breeding pigs must select suitable pasture varieties, and they must combine the seasons to determine the method of pasturing pigs. In summer and autumn, grass-raising pigs use fresh grasses as the main way of pasture use; in winter and spring season, high-quality grass flour or forage grasses as pulp are used as feed ingredients.
1. Pasture fresh feeding methods: The grass planting time is selected in the spring and summer season, and the juicy grasses such as grain pods, aggregate grass and chicory are planted. The fresh grasses account for 15% to 30% of the ration, and 1 mus for every 10 pigs. grass.
2. The use of forage grass made by adding grass powder to feed: The planting varieties are alfalfa, Mexican corn, and high-grass grass, etc. In the summer and autumn, fresh grass can be used, and in winter and spring season, grass flour is added to the diet. The amount of pasture powder accounts for 8% to 15% of the diet, and 0.5 mus for every 10 pigs.
3, pasture beaten or cut off the use of silage and concentrate feed with the use of the way: as long as the remainder of the pasture season, you can beat or cut off the production of silage, in the absence of other green season with the feed concentrate feed Feeding, the specific amount of dietary addition can be determined based on the breed, growth stage, and physiological status of the pig.
The so-called pharmaceutical intermediates are actually some chemical raw materials or chemical products used in the pharmaceutical synthesis process. This chemical product does not require a production license for medicines, and can be produced in ordinary chemical plants. As long as it reaches a certain level, it can be used for the synthesis of medicines.
Explanation: Some chemicals used in drug synthesis
Purpose: Synthesis of medicines
Features: low profitability of production intermediates
Representative: fluorine-containing pyridines, etc.
Field: Medicine
Anti-Influenza Drugs,Api Oseltamivir Phosphate,Intermediate For Oseltamivir Phosphate,Vortioxetine Hydrobromide Intermediate
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