1、改善适口性。饲料经过发酵后口感滑爽，香味独特，能够刺激猪的肠胃，提高采食量。
1, improve palatability. after fermentation, the feed has smooth taste and unique flavor. it can stimulate the intestines and stomach of pigs and improve feed intake.
2、有利于生物安全。在发酵过程中，可以降解饲料中的有毒物质，达到一定的去毒效果，提高饲喂的安全性。
2. it is beneficial to biological safety. in the fermentation process, it can degrade the toxic substances in feed, achieve a certain detoxification effect, and improve the safety of feeding.
3、提高免疫力。发酵饲料能够在猪的肠道内形成有益菌群，从而抑制病原微生物的生长繁殖，保持猪肠道内的微生态平衡，从而提高猪的抗病能力。
3, improve the immunity. the fermented feed can form beneficial bacteria in the pig's intestines, thus inhibit the growth and reproduction of the pathogenic microorganism, maintain the microecological balance in the pig's intestinal tract, and thus improve the disease resistance of the pig.
4、降低饲料成本。许多饲料都可以进行发酵，原料广泛，所以养猪户可以根据当地优势选择便宜的原料发酵，可以降低饲喂成本。
4, reduce the cost of feed. many feeds can be fermented with wide range of raw materials, so pig farmers can choose cheap raw materials to ferment according to local advantages, which can reduce feeding costs.
5、改善肉质。发酵饲料喂猪生病较少，从而也少吃药，肉的品质也更好。
5, improve the quality of meat. fermented feed feed pigs less sick, and thus less medication, meat quality is also better.