Saun contains 81.5% of moisture, 2.7% of protein, 1.1% of cellulose, 1% of inorganic nitrogen extracts, 9.9% of ash, 0.27% of calcium, 0.06% of phosphorus, and 3.8% of sand impurities. According to experiments, ducklings from 21 to 55 days old, in the formulated feed by adding 10% -20% saprophyte, growth and development is very good, the survival rate of up to 98%, and save feed, reduce the cost of farming.
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