1. Do not feed corn only in the near amount, because single use of corn to feed pigs requires more than 6 kilograms of corn for each kilogram of weight gain, but only 2.5-3 kilograms of corn for pigs fed with formulated feed, which can reduce the cost of feeding. .
2. The protein content of feed corn is low and its quality is poor, which cannot fully meet the growth needs of pigs. Therefore, protein feed must be added. You can add 15% bean cake or rapeseed cake to the pig diet, and add 5% fish meal to the piglet.
3, corn in low vitamin content, feeding must be fed green feed, vitamin supplements. In the absence of green feed, a variety of vitamins can be added to livestock and poultry.
4. The content of minerals in corn is low and nutrient composition is single. Therefore, bone powder and calcium hydrogen phosphate, selenium, iron, copper, zinc, manganese and other minerals should be added to the pig diet.
5. After corn flour is saccharified, part of the starch can be converted into sugar, and the pig prefers food. Place the cornmeal in the jar, pour 2 times the hot water that will soon be boiling into a paste, and then sprinkle 5 cm thick dry corn flour on the surface. After 3-4 hours, the corn flour is saccharified.
6, corn? Before feeding should be soaked in corn flour plus 1-1.5 times the water soak for about 2 hours, so that expansion of corn becomes soft, easy to chew pigs, easy to digest and absorb.
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