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Table 3 Colony count of Efs2 and transconjugants from fecal samples of in vivo conjugation

From: Horizontal transfer of vanA between probiotic Enterococcus faecium and Enterococcus faecalis in fermented soybean meal and in digestive tract of growing pigs

Day   Efs2, × 106 CFU/g fecal Transconjugants, ×  103 CFU/g fecal
1 Efs2 7.60 1.50 0.80 4.50 4.90 3.30       
Efm4 + Efs2 3.70 0.20 7.50 8.70 1.10 2.30 0 0 0 0 0 0
FSBM 0.55 2.85 4.90 5.50 1.35 6.50 0 0 0 0 0 0
2 Efs2 12.50 8.20 17.50 8.85 11.25 6.30       
Efm4 + Efs2 15.00 16.50 27.00 14.50 55.00 86.00 0 0 0 0 0 0
FSBM 12.30 15.00 11.30 12.50 7.50 8.50 0 0 0 0 0 0
3 Efs2 22.50 8.50 13.50 55.00 36.00 42.00       
Efm4 + Efs2 33.00 42.00 47.50 14.50 73.00 107.00 0 0 0 0 0 0
FSBM 41.00 47.5 36.00 46.00 58.00 59.50 0 0 0 4.50 0 0
4 Efs2 68.00 77.00 34.50 55.50 36.00 57.00       
Efm4 + Efs2 175.00 88.00 114.00 39.50 55.00 85.00 0 0 0 0 0 0
FSBM 20.50 19.00 21.00 6.00 12.20 3.50 0 0 0 5.00 0 0
5 Efs2 55.00 101.5 23.00 27.00 72.00 36.00       
Efm4 + Efs2 65.00 51.00 41.00 35.5 65.00 4.00 0 0 0 0 0 0
FSBM 43.00 65.00 87.00 95.00 86.5 60.00 0 0 0 2.00 0 0
6 Efs2 3.50 1.85 5.30 9.40 7.80 8.30       
Efm4 + Efs2 3.75 5.80 9.50 4.60 4.50 2.30 0 1.00 0 0 0 0
FSBM 55.00 18.00 14.00 34.00 27.00 92.00 0 0 0 2.00 0 0
7 Efs2 6.55 7.80 1.55 1.80 3.80 6.75       
Efm4 + Efs2 6.70 12.10 18.50 5.50 18.50 6.00 0 7.00 0 0 0 0
FSBM 10.00 12.00 27.0 46.50 84.00 45.00 0 0 0 3.50 0 0
  1. Efm, E. faecium isolates;
  2. Efs, E. faecalis isolates;
  3. FSBM, fermented soybean meal