Research progress of probiotics and fermented feed effects on pork quality

With the growth of the global population and the development of the economy, the demand for delicious and nutritious meat is increasing. However, the pursuit of high productivity and a high lean meat rate in pig breeding has led to a serious decline in meat quality. How to moderately improve the quality and flavor of pork through nutritional supplementation is of great significance in meeting consumers' demand for high-quality and delicious pork. Recent studies have shown that fermented feed using probiotics can not only improve the nutritional quality and utilization rate of agricultural by-products, but also play an important role in improving meat color, increasing intramuscular fat content, regulating the flavor of pork, leading to a sustainable development of agriculture and husbandry. In this paper, we will review the current situation of the probiotics used in fermented feed, the effects of fermentation on the improvement of feed quality, the influence and mechanism of fermented feed on the growth performance, meat quality, and flavor of pigs, and so forth, aiming to provide theoretical basis and technical support for the research and development of fermented feed and its application in the production of high-quality pork.