In the winter and spring when the feed is insufficient, the cows are fed with salted corn stalks, which can reduce the cost of feeding and increase milk production. Salinization method: that is, in the corn crushed per 100 kilograms mixed with 20 kg of 2% -3% of the salt water, 10-15 °C in the room boring 10-15 hours, plus 10-15 kg of corn flour before feeding. When I feed less, I don't add salt when I feed the concentrate