Table 1 Mean fatty acid composition (expressed as the percentage of total fatty acids) of the semitendinous muscle in Rasa Aragonesa lambs for each feeding system^1-2.

C10:0

0.26^bc

0.27^c

0.21^ab

0.17^a

0.020

C12:0

0.62^a

0.63^a

0.39^b

0.28^b

0.057

C14:0

5.72^a

5.66^a

4.03^b

3.31^b

0.349

C16:0

22.61^a

22.66^a

22.87^a

22.54^a

0.381

C16:1

3.04^a

2.88^a

2.81^a

2.86^a

0.113

C17:0

1.18^a

1.18^a

1.50^b

1.701^b

0.093

C17:1

0.89^ab

0.84^a

1.10^bc

1.28^c

0.080

C18:0

11.38^a

12.06^a

11.63^a

11.678^a

0.507

C18:1 n-9

34.12^ab

33.57^a

37.23^bc

39.70^c

1.203

C18:1 n-7

3.94^ab

4.18^b

3.93^ab

3.48^a

0.188

C18:2 n-6

6.43^a

6.89^ab

8.22^b

7.35^ab

0.526

C18:3 n-3

2.56^a

2.58^a

0.82^b

0.65^b

0.139

C18:2 cis9-trans11

1.17^a

1.14^a

0.55^b

0.43^b

0.074

C 20:0

0.09^a

0.09^a

0.07^b

0.07^b

0.005

C 20:1 n-9

0.09^a

0.10^a

0.10^a

0.10^a

0.006

C 20:4 n-6

2.28^a

2.04^a

2.39^a

2.35^a

0.208

C 20: 5 n-3

1.30^a

1.16^a

0.59^b

0.54^b

0.109

C22:4 n-6

0.08^a

0.08^a

0.17^b

0.17^b

0.013

C22:5 n-3

1.38^a

1.26^a

0.85^b

0.81^b

0.108

C22:6 n-3

0.86^a

0.73^ab

0.54^b

0.52^b

0.094