encapsulated SB/kg [Lideshi, Inc.; reduced antibiotics + SB (ASB)]; and
a ration with 100 mg kitasamycin/kg and 40 mg colistin sulfate/kg
[positive control (PC)]. The encapsulated structure in SB was used to
deter prompt absorption and metabolism of butyrate in the duodenum
and jejunum, which ensured considerable release and absorption of
butyrate in the lower intestine portion