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Effects of a multicomponent dietary feed additive containing prebiotics and probiotics on plasma concentration of TNF-α following ex-vivo LPS challenge in beef steers during a 35-d receiving period. Treatment: P = 0.03, SE = 0.06.
CON, control; SYNB, a multicomponent microbial feed additive containing prebiotics and probiotics fed at 28 g/ steer/d (Purina Animal Nutrition, Arden Hills, MN).
