Wheat bran is a common feed in pig feed. Some farmer friends in the countryside have long fed pigs with wheat bran, but they do not know that it is most likely to cause calcium deficiency in pigs. The reason is: wheat bran low calcium content, generally about 0.2% -0.3%, while the fattening pigs need a larger amount of calcium, a pig weighing 20-30 kg, 8.5 grams of calcium per day; 30-60 kilograms of pigs 9-11 grams of calcium per day is required; 60-90 kg of pigs require 12-13.7 grams of calcium per day. Each pig counts 2.5 kg of bran every day, and only contains 5 g of calcium. This makes it difficult to meet the needs of pigs, leading to calcium deficiency in pigs. The symptoms of calcium deficiency in pigs are: often biting bricks, food troughs, etc., the amount of food is gradually reduced, more lying and standing, and severe hind legs are sitting and the action is difficult. Once the pigs are found to be deficient in calcium, they should immediately stop feeding bran and feed a 1% compound feed supplemented with calcium, supplemented with egg shell powder each day. In order to prevent pigs suffering from calcium deficiency, in addition to wheat bran, usually should be fed compound feed or regularly fed calcium rich feed. China Agricultural Network Editor
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