Rations

Body length

Intestine surface

Dorsal lard thickness(mm)

pH of the meat

R₀

1.21 ± 0.21^a

1.94 ± 0.04^b

21.5 ± 0.22^a

6.28 ± 0.28^a

R₅

1.10 ± 0.1^ab

1.74 ± 0.04^c

18.0 ± 0.26^ab

6.30 ± 0.30^a

R₁₀

0.95 ± 0.05^b

1.89 ± 0.09^b

15.2 ± 0.43^bc

6.28 ± 0.28^a

R₂₀

0.98 ± 0.08^ab

2.23 ± 0.04^a

9.8 ± 0.28^c

6.31 ± 0.31^a

P

0.02

0.04

0.03

0.09