Using high-quality forage grass to raise pigs can reduce feed costs and increase pig lean meat percentage. The high-quality forages for pigs include: grain pods, Russian feed vegetables, bitter leeks, winter grazing-70 ryegrass, chicory, sorghum, and white clover.
The content of protein in the feed of piglets (7 kg-20 kg) should reach 18% or more. At the same time, a small amount of pasture fresh leaves and stems should be properly fed. The daily feeding amount should be 1 kg-2 kg, and no more than 3 kg, generally Feed fresh grass half an hour before feeding.
Medium pigs (20 kg - 60 kg) stage can be fed less concentrated protein content, by adding high-quality herbage to supplement the lack of protein and calcium content in concentrates, supplement Vitamins and minerals, generally feeding 4 kg to 6 kg a day The fresh grass or high-quality grass powder, fine material is prepared as: 70% corn, 20% bran, 10% concentrated feed or bean cake, fine material daily feeding amount is 1kg - 1.25 kg, generally fed in the first half hour before feeding concentrate Grass, feed twice a day.
In the big pig stage, the concentrate is formulated as follows: 80% of corn and 20% of bran, do not need to add any concentrated material, and feed 6 kg to 8 kg of pasture or grass powder every day. The amount of concentrate feed is 1.5 kg to 2 kg per day. Feed the fresh grass half an hour before feeding and feed twice a day. Two kilograms of -3 kilograms of fresh grass were fed every day before the slaughter of pigs.
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