Skip to main content

Table 5 Effect of brewers’ spent grain (BSG) protein hydrolysates or antibiotics on microbial N synthesis and microbial community of FPA in RUSITEC

From: Effects of brewers’ spent grain protein hydrolysates on gas production, ruminal fermentation characteristics, microbial protein synthesis and microbial community in an artificial rumen fed a high grain diet

Item Treatmentsd SEM P <
Con AlcH FlaH Ant
Production of microbial Ne, mg/d
 LABf 60.7a 60.7a 53.3b 48.2c 1.94 0.05
 FPBg 7.0 6.2 6.4 7.0 1.04 0.51
 FPAh 13.7c 16.6b 17.6ab 19.4a 1.82 0.01
 Total 80.3a 82.5a 76.2b 73.5b 1.83 0.05
Efficiency of microbial proteini 7.0 7.1 6.9 6.9 0.26 0.45
  1. a, b, c Least square means within a row with different superscripts differ (P < 0.05)
  2. d Con Control, no antioxidant peptide and no antibiotics, AlcH Alcalase hydrolysates, 10 mg per gram of TMR (DM basis), FlaH Flavourzyme hydrolysates, 10 mg per gram of TMR (DM basis), Ant antibiotics, 0.8 mg monensin + 1 mg tylosin per gram of TMR (DM basis)
  3. e Samples from d 14 to 15
  4. f Liquid associate bacteria
  5. g Feed particle-bound bacteria
  6. h Feed particle-associated bacteria
  7. i Efficiency of microbial protein, mg microbial N production/g OM fermented