近年来利用合适的微生物对玉米淀粉颗粒副产物进行生物降解，在发酵过程中能将动物消化吸收的物质分解转变成易消化吸收的小分子物质，同时可产生大量的菌体蛋白，是一项综合利用的有用措施。

In recent years, appropriate microorganisms have been used to biodegrade corn starch granules by-products. During fermentation, the substances digested and absorbed by animals can be decomposed into small molecular substances that are easy to digest and absorb. At the same time, a large number of bacterial proteins can be produced, which is a useful measure for comprehensive utilization.

对酵母饲料而言，优良的酵母菌株为重要，它应具有、生产周期短、可大量生产、抗酸及对碳源利用广的特点。假丝酵母能同六碳糖和五碳糖，能耐高浓度的二氧化硫，菌体中含有高量的蛋白质，并含有大量赖氨酸和较多的维生素及多种微量元素。

For yeast feed, excellent yeast strains are important, which should be safe, short production cycle, mass production, acid resistance and extensive use of carbon sources. Candida can be the same as six carbon sugar and five carbon sugar, can withstand high concentration of sulfur dioxide, contains a high amount of protein, and contains a large amount of lysine, more vitamins and a variety of trace elements.

酿酒酵母的蛋白质含量高，发酵过程中能够产生醇、醛、酸、酯等风味物质，赋予饲料特殊的酸甜香味，掩盖了玉米浆的不良气味，但是酿酒酵母不耐亚硫酸盐，0.0025%二氧化硫即可阻碍其生长。

The protein content of Saccharomyces cerevisiae is high. During fermentation, it can produce alcohol, aldehyde, acid, ester and other flavor substances, giving the feed a special sweet and sour flavor, covering the bad smell of corn pulp. However, Saccharomyces cerevisiae is not resistant to sulfite, and 0.0025% sulfur dioxide can hinder its growth.

有研究结果表明，随着玉米浆量的增加，酿酒酵母生长受到抑制。因此采用混合菌种培养，混合菌生长状况要好于前者，可优势互补，促进生长，可有用地改善饲料的特性，提高饲料品质。

Some research results showed that the growth of Saccharomyces cerevisiae was inhibited with the increase of corn syrup. Therefore, the growth of mixed bacteria is better than that of the former, which can complement each other's advantages, promote growth, and effectively improve feed characteristics and feed quality.

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