According to the test, the use of trace elements to prepare pig feed for pigs can shorten the pig's growth cycle and save feed. Generally, the average daily growth rate per pig is 1.4 kg or more, and the meat quality is excellent.
Ingredients: 8-25 grams of copper sulfate, 15-25 grams of ferrous sulfate per 50 kg of compound feed, 8-23 g of zinc sulfate, 25-50 mg of cobalt sulfate, 2.5-7.5 mg of sodium selenite, oxytetracycline 5 grams, dry yeast 30-40 grams, calcium tablets 10-20 tablets, salt 500-750 grams. When mixing, firstly, the above 9 kinds of substances are hydrated, and then mixed into 50 kg of feed, and the mixture is evenly stirred, and the dry humidity is preferably formed by kneading the dough without dripping. Generally, every 50 kilograms of material, about 10-15 kilograms of water in summer and 15-20 kilograms in winter.
Feeding should be based on the temperature and the degree of feed fermentation. When the temperature is above 30 °C, it can be fed. When it is lower than 20 °C, it should be accumulated for about 24 hours, and the feed will be scented and then fed. The number of feedings should be controlled 4-5 times a day, and less should be fed. It should be noted that the mixture should not be placed for a long time. It should not be more than 2 days in the summer and a little longer in the winter. The feed that can not be eaten should be evenly spread and properly placed. In addition, to ensure adequate drinking water, the dose of trace elements should not be blindly increased, but also to maintain the health of the pigsty, so that the pigs can get more sun and more activities.
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