Table 6 Effect of oil type (OT) and savory plant (SP) on ruminal fatty acid composition (g/100 g FA).

From: Impact of oil type and savory plant on nutrient digestibility and rumen fermentation, milk yield, and milk fatty acid profile in dairy cows

Item1

Diet2

SEM3

P-Value

FOD

SOD

FODs

SODs

OT

SP

OT×SP

Tr

C4:0

11.7b

13.8a

10.5c

12.2b

0.30

0.001

0.001

0.399

0.001

C6:0

1.21ab

1.52a

0.78b

1.13ab

0.136

0.019

0.008

0.853

0.015

C12:0

0.59a

0.52ab

0.47bc

0.42c

0.019

0.007

0.001

0.491

0.002

C14:0

0.97a

0.65b

0.91a

0.70b

0.024

< 0.001

0.619

0.035

0.001

C15:0

1.14a

0.76b

1.09a

0.81b

0.043

0.001

0.906

0.168

0.001

C16:0

19.4a

13.4b

20.1a

13.7b

0.54

< 0.001

0.249

0.597

< 0.001

C16:1

0.37ab

0.18b

0.40a

0.20ab

0.056

0.005

0.539

0.835

0.023

C17:0

1.18a

0.25b

1.16a

0.27b

0.046

< 0.001

0.913

0.498

< 0.001

C18:0

20.3b

35.3a

19.0c

34.2a

0.36

< 0.001

0.005

0.715

< 0.001

ΣC18:1c

12.3b

10.4d

13.3a

11.3c

0.11

< 0.001

< 0.001

0.363

< 0.001

ΣC18:1t

7.77b

6.14c

8.87a

6.93c

0.219

< 0.001

0.002

0.366

0.001

ΣC18:2c

8.04c

9.62ab

9.04bc

10.4a

0.376

0.003

0.019

0.746

0.007

ΣC18:2t

1.90bc

1.59c

2.38a

2.14ab

0.117

0.021

0.002

0.671

0.005

C18:2(c9,t11-CLA)

0.35ab

0.15c

0.44a

0.19bc

0.048

0.001

0.104

0.455

0.005

C18:2(t10,c12-CLA)

0.05ab

0.02b

0.07a

0.02b

0.009

0.002

0.087

0.234

0.007

C18:3 C

1.12c

1.31ab

1.20bc

1.41a

0.042

0.001

0.029

0.936

0.004

C20:0

1.03a

0.51b

0.96a

0.51b

0.032

< 0.001

0.055

0.639

< 0.001

C22:0

0.38a

0.33b

0.36a

0.29c

0.007

< 0.001

0.001

0.143

0.001

C20:1

0.62a

0.12b

0.68a

0.13b

0.077

0.001

0.496

0.697

0.001

C20:5

0.41a

3NDb

0.43a

NDb

0.021

< 0.001

0.454

0.419

< 0.001

C22:5

0.05a

NDb

0.06a

NDb

0.007

< 0.001

0.337

0.337

0.001

C22:6

0.80b

NDc

1.05a

NDc

0.055

< 0.001

0.023

0.023

< 0.001

UFA

33.7b

29.5c

37.9a

32.9b

0.63

0.001

0.001

0.423

0.001

SFA

46.2b

53.3a

44.9b

52.0a

0.73

< 0.001

0.049

0.929

< 0.001

MUFA

21.0b

16.9d

23.3a

18.6c

0.236

< 0.001

< 0.001

0.215

< 0.001

PUFA

12.7b

12.7b

14.7a

14.2ab

0.41

0.431

0.002

0.458

0.010

S-MCFA

1.80ab

2.04a

1.25c

1.55bc

0.136

0.038

0.003

0.768

0.009

LCFA

78.2c

80.9b

81.4b

83.2a

0.29

< 0.001

0.001

0.081

< 0.001

OCFA

2.32a

1.00b

2.25a

1.01b

0.079

< 0.001

1.000

0.253

< 0.001

Others

8.36a

3.37c

6.81b

2.95c

0.395

< 0.001

< 0.017

0.100

< 0.001

  1. 1UFA: sum of unsaturated fatty acids; SFA: sum of saturated fatty acids; MUFA: sum of mono-unsaturated fatty acids; PUFA: sum of poly unsaturated fatty acids; S-MCFA: sum of short- and medium chain fatty acids (C4:0 to C17:0); LCFA: sum of long chain fatty acids (≥ C18); OCFA: sum of odd chain fatty acids.
  2. 2FOD = basal diet + 2% fish oil; SOD = basal die + 2% soybean oil; FODs = basal diet + 2% fish oil + 370 g/d SP; SODs = basal diet + 2% soybean oil + 370 g/d SP.
  3. 3SEM = standard error of the means, Tr = treatment.