Due to awareness of consumers towards clean and safe meat availability, plant secondary metabolites (PSMs) such as essential oils, organic acids, saponins and flavonoids etc. are rapidly gaining attention since last few decades. PSMs are the secondary compounds that are produced by plants and they don’t have primary role as nutrients. These can be the effective alternative to antibiotics because of their promising effects on overall performance of poultry and monogastric animals. Saponins are high molecular weight glycosides which are able to form foam in aqueous solution. | Nội dung Text Saponin in poultry and monogastric animals A review