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Table 2 Effect of algae infusion on rumen fermentation characteristics

From: Dose and time response of ruminally infused algae on rumen fermentation characteristics, biohydrogenation and Butyrivibrio group bacteria in goats

  Treatmentsa P-valueb
Items Control L-Alg H-Alg SEM A T A × T
pH 6.25c 6.26c 6.36d 0.021 0.01 0.36 0.42
TVFAs, mmol/L 88.85d 87.71d 81.46c 0.978 0.03 0.70 0.75
Molar proportion, %        
Acetate 73.60d 73.90d 70.50c 0.350 <0.01 0.07 0.02
Propionate 14.21c 14.22c 16.17d 0.198 <0.01 0.02 0.01
Butyrate 8.70c 8.34c 9.56d 0.158 0.05 0.06 0.10
Isobutyrate 1.48 1.49 1.49 0.051 0.68 0.06 0.10
Isovalerate 1.88 1.92 2.00 0.078 0.72 0.14 0.03
Valerate 0.58 0.61 0.67 0.016 0.16 0.32 0.51
  1. TVFAs; total volatile fatty acids
  2. aTreatments: rumen infusion of 0.0 g/d algae (Control); rumen infusion of 6.1 g/d algae (L-Alg); rumen infusion of 18.3 g/d algae (H-Alg)
  3. bProbability of linear effect of algae infusion (A), time effect following algae infusion (T), and their interaction (A × T)
  4. c, dMeans within a row with different superscripts differ significantly at P < 0.05