Spread 10 cm of sawdust in the circle and mix in the starter. After a few days sawdust begins to ferment, the central temperature can reach 30 Â°C ~ 40 Â°C, in the winter can save heating energy, and used sawdust can be used as fertilizer. According to the experiment, pigs were raised by this method. The living environment of the pigs was improved, and it was not easy to get sick. The average daily weight gain was 100 grams, and the meat quality was good and there was little water. This method is simple, low-cost, effective, and conducive to environmental protection. It is recommended that everyone use the environment of their own pig farm when they use it, and adapt it to local conditions.
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