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Table 8 Effects of dietary Flammulina velutipes stem waste inclusion on short chain fatty acid concentration measured in fresh feces of pigs in different growing-finishing phases (mg/kg) (Exp. 2)

From: Determination of the available energy values and amino acid digestibility of Flammulina velutipes stem waste and its effects on carcass trait and meat quality fed to growing-finishing pigs

Item

Control

2.5% FVS

5% FVS

SEM

P-value

d 17

 Lactate

22.4

69.8

110.1

25.6

0.099

 Acetate

3941.9b

4790.8a

5353.8a

179.2

< 0.001

 Propionate

3069.8b

3219.2b

4021.2a

188.3

0.011

 Formate

73.4b

161.9a

165.3a

16.8

0.005

 Isobutyrate

2348.9

2285.4

2533.2

306.1

0.841

 Butyrate

67.6b

278.2a

351.3a

49.2

0.006

 Isovalerate

175.3b

387.6a

392.2a

35.1

0.002

 Valerate

355.8b

721.8a

305.4b

90.6

0.017

 Total

10,055.0b

11,914.6a

13,232.4a

476.4

0.003

d 37

 Lactate

284.0

276.2

53.8

65.7

0.054

 Acetate

4432.7b

4417.6b

5384.5a

170.7

0.004

 Propionate

2948.1b

3084.7b

4124.3a

135.4

< 0.001

 Formate

71.1b

159.1a

142.3a

12.6

0.001

 Isobutyrate

1624.5b

2360.5ab

2651.2a

242.5

0.035

 Butyrate

109.6c

476.6a

294.8b

44.6

0.001

 Isovalerate

194.5b

562.1a

462.2a

48.9

0.001

 Valerate

454.0

487.7

468.4

77.9

0.954

 Total

10,118.5c

11,824.7b

13,581.3a

461.6

0.001

d 63

 Lactate

166.4b

787.8a

895.5a

181.4

0.036

 Acetate

4421.7

5221.1

4650.6

283.9

0.173

 Propionate

2946.5

3464.7

3368.5

217.5

0.248

 Formate

65.5b

211.1a

233.1a

40.6

0.031

 Isobutyrate

1840.1

2057.0

2393.7

158.0

0.089

 Butyrate

105.2c

315.7b

560.6a

53.6

0.001

 Isovalerate

281.8

424.0

510.8

61.8

0.071

 Valerate

465.5

288.5

223.4

65.3

0.063

 Total

10,292.5b

12,769.9a

12,836.3a

580.5

0.017

  1. a-cLeast squares means within different superscripts differ (P<0.05)
  2. FVS Flammulina velutipes stem waste, SEM Standard error of the mean