The grape residue after the wine is not only can replace the corn noodles, but also the effect is good.
According to scientific determination, in the dry matter per kilogram of grape residue, it contains 5.7 megajoules of digestible energy and 86 grams of digestible protein. Crude protein 13.2%, crude fat 13.2%, crude fiber 29.4%, calcium 0.67%, phosphorus 0.32%, also contains a variety of vitamins and trace elements. Compared with each kilogram of corn, the digestible protein is 32 grams more, the crude protein is 3.7% more, the calcium is 0.65%, the phosphorus is 0.09%, and the lysine is 1.57%. Therefore, in the current situation that corn supply is in short supply and prices are high, it is a good method to replace corn noodles with cheap grape vines.
Feeding pigs with grape slag, it is best to dry the grape slag into grape slag, and process it and crush it, then replace the cornmeal to make a mixed feed and feed it. The proportion of mixed feed generally accounts for 10%-20%. If the proportion is large, it is necessary to feed an appropriate amount of green and juicy feed.
After a pig farm test, in the mixed feed, 15% of the grape slag dry powder is used instead of the corn flour to feed the pigs. Each pig can save about 50 kilograms of corn and reduce the cost by more than 20 yuan.
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