Dietary Conjugated Linoleic Acid Supplementation Leads to Downregulation of PPAR Transcription in Broiler Chickens and Reduction of Adipocyte Cellularity
Table 2
Fatty acid composition (g/kg feed) of experimental diets.
Fatty acids
Starter (1–21 days)
Finisher (22–42 days)
CON
LCLA
HCLA
CON
LCLA
HCLA
C12:0
0.73
0.48
0.23
0.76
0.51
0.26
C14:0
3.19
1.69
0.19
3.23
1.72
0.22
C16:0
23.00
15.72
8.43
23.34
16.06
8.78
C16:1
0.53
0.28
0.03
0.53
0.28
0.03
C18:0
2.71
14.52
26.32
2.81
14.62
26.42
C18:1n-9
29.74
23.53
17.30
31.33
25.12
18.90
C18:2n-6
12.00
10.05
8.03
12.18
10.20
8.20
C18:3n-3
0.79
0.54
0.29
0.82
0.57
0.32
cis-9, trans-11 CLA
0.00
2.97
5.97
0.00
3.00
5.95
trans-10, cis-12 CLA
0.00
2.92
5.90
0.00
2.93
5.91
aTotal SFA
29.63
32.41
35.18
30.13
32.91
35.69
bTotal MUFA
30.27
23.81
17.34
31.86
25.40
18.94
cTotal n-3 PUFA
0.79
0.54
0.29
0.82
0.57
0.32
dTotal n-6 PUFA
12.00
10.05
8.03
12.18
10.20
8.20
Total PUFA
12.79
10.59
8.33
13.00
10.77
8.52
en-6 : n-3FAR
15.16
18.54
27.53
14.77
17.75
25.27
PUFA : SFA
0.43
0.33
0.24
0.43
0.33
0.24
fTotal CLA
0.00
5.89
11.86
0.00
5.93
11.86
CON: control; LCLA: low conjugated linoleic acid; HCLA: high conjugated linoleic acid.
aTotal SFA = sum of C12:0 + C14:0 + C16:0 + C18:0.
bTotal MUFA = sum of C16:1 + C18:1n-9.
cTotal n-3 PUFA = sum of C18:3n-3.
dTotal n-6 PUFA = sum of C18:2n-6.
en-6 : n-3 fatty acid ratio (FAR) = sum of C18:2n-6 ÷ sum of C18:3n-3.
fTotal CLA = sum of cis-9, trans-11 CLA + trans-10, cis-12 CLA.
