| abstract |
The invention relates to a feed additive for improving pig yellow fat meat, a feed and a preparation method and application thereof, wherein the feed additive comprises 50-150 parts by weight of yeast selenium, 500-3000 parts by weight of Saccharomyces cerevisiae cell wall and 100 parts by weight of active dry yeast ~1500 parts by weight. The feed comprises a basic ration and the above-mentioned feed additive, wherein the added amount of the yeast selenium per ton of the feed is 50-150 g, the added amount of the Saccharomyces cerevisiae cell wall per ton of the feed is 500-3000 g, and the added amount of the Saccharomyces cerevisiae per ton of the feed is 50-3000 g. The added amount of active dry yeast described in the above is 100-1500 g. The feed additive and feed of the invention have strong safety and stability, can be rapidly produced in a large scale, effectively improve the yellow fat problem of fattening pigs, and improve the economic value of pork in the market. |