In one aspect, a method for feeding animals includes selecting a plurality of strains of sporulated living microbes and form a microbial solution； and applying the microbial solution to a carrier. In another aspect during use, the method includes feeding animals with the microbial infused carrier to deliver microbes to a gastrointestinal tract alive； and germinating the microbes in the digestive tract and stimulating local intestinal immunity with the microbes.在一種型態中，用於餵飼動物的方法包括選擇多個孢子形成的活微生物菌株並形成微生物溶液；以及用所述微生物溶液輸注載體。在使用時的另一型態中，該方法包括給動物餵飼微生物輸注的載體以將微生物活體遞送至胃腸道；以及使消化道中的微生物生長並用微生物刺激局部腸免疫。
