Distiller's grains are the direct waste in the winemaking process. Not only does it contain a certain proportion of grain, it is also rich in crude protein, 2-3 times higher than corn, and also contains trace elements, vitamins, and yeasts. The contents of lysine, methionine and tryptophan are also very high, which cannot be provided by crop stalks. Compared with crop stalks, the greatest advantage of distillers grains is the saving of grain. In addition, the coarse grain composition of the distillers grains is also high. Since the distiller's grains are formed after high-temperature cooking after fermentation, its crude fiber content is relatively low, thus destined to distillers grains as the main feed for cattle has good palatability and easy to digest characteristics, there is no indigestion or digestion Incomplete disease, but also can effectively prevent cows from ruminal hernia.

Regardless of lees and brewers' grains, they all contain a certain amount of alcohol, and cows are more honest than straws. This is beneficial to the ease of lying and rumination after eating, and has the positive effect of promoting fattening and shortening the rate of slaughter. After about 20-30 days of feeding the yak to the broilers, the cow's fur is brighter and more supple, and food is no longer picky. After on-site determination after slaughter: cattle fed distiller's grains had better quality, finer fiber, fresh color, and toughness than non-fed beef, and they were about 3-5% higher than the net meat rate after slaughter of cattle under normal feeding conditions. , If the slaughterhouse reaches a point higher than the net meat slaughter point by 1 cent, it will be an extra 0.3-0.5 yuan per kilogram. If a bull is weighed more than 600-700 kilograms, each cow will be sold. Net profit of 360-700 yuan, its considerable economic benefits.

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