Table 4.
Breed | |||||
---|---|---|---|---|---|
Amino acids (g/100 g DM) | BGA | BGT | Ti | ODj | Effect |
Aspartic acid | 5.95 ± 0.05a | 6.16 ± 0.22ab | 6.32 ± 0.03b | 6.40 ± 0.12b | ∗∗ |
Tyrosine | 2.80 ± 0.04a | 2.96 ± 0.06bc | 2.91 ± 0.09ab | 3.04 ± 0.04ab | ∗∗∗ |
Serine | 3.05 ± 0.03a | 3.19 ± 0.10b | 3.23 ± 0.02b | 3.28 ± 0.05b | ∗∗ |
Glutamic acid | 9.03 ± 0.06a | 9.22 ± 0.37ab | 9.52 ± 0.16b | 9.62 ± 0.23b | ∗∗ |
Proline | 2.59 ± 0.05 | 2.75 ± 0.12 | 2.64 ± 0.56 | 3.02 ± 0.20 | NS |
Glycine | 3.43 ± 0.04a | 3.62 ± 0.12ab | 3.75 ± 0.07b | 3.64 ± 0.11ab | ∗ |
Alanine | 3.91 ± 0.02a | 4.07 ± 0.15ab | 4.11 ± 0.02ab | 4.21 ± 0.09b | ∗∗ |
Cysteine | 0.66 ± 0.02a | 0.65 ± 0.01a | 0.29 ± 0.10b | 0.36 ± 0.13c | ∗∗∗ |
Arginine | 4.84 ± 0.07a | 5.12 ± 0.11b | 5.10 ± 0.12b | 5.26 ± 0.08b | ∗∗ |
NEAA | 37.08 ± 1.28ab | 35.62 ± 0.39a | 37.57 ± 0.61bc | 38.47 ± 0.72bc | ∗∗ |
Valine | 2.43 ± 0.03 | 2.45 ± 0.10 | 2.73 ± 0.33 | 2.56 ± 0.08 | NS |
Methionine | 1.82 ± 0.07a | 2.15 ± 0.01b | 2.31 ± 0.07c | 2.34 ± 0.04c | ∗∗∗ |
Isoleucine | 2.97 ± 0.01a | 3.12 ± 0.05b | 3.26 ± 0.10b | 3.21 ± 0.04b | ∗∗∗ |
Leucine | 4.31 ± 0.02a | 4.44 ± 0.04b | 4.80 ± 0.10c | 4.67 ± 0.07bc | ∗∗∗ |
Phenylalanine | 3.21 ± 0.04a | 3.42 ± 0.06b | 3.40 ± 0.05b | 3.50 ± 0.05b | ∗∗ |
Histidine | 1.65 ± 0.29a | 2.35 ± 0.02b | 2.63 ± 0.21b | 2.62 ± 0.15b | ∗∗∗ |
Lysine | 3.69 ± 0.01a | 3.76 ± 0.10ab | 4.17 ± 0.31b | 3.94 ± 0.11ab | ∗ |
Threonine | 3.42 ± 0.05a | 3.60 ± 0.10 | 3.60 ± 0.03ab | 3.71 ± 0.07b | ∗∗ |
EAA | 24.17 ± 0.28a | 26.05 ± 0.51b | 27.20 ± 1.03b | 26.90 ± 0.52b | ∗∗∗ |
Somme | 59.79 ± 0.51 | 63.13 ± 1.80 | 64.77 ± 0.44 | 65.37 ± 1.14 | NS |
EAA/NEAA | 0.68 ± 0.01 | 0.70 ± 0.01 | 0.72 ± 0.03 | 0.70 ± 0.01 | NS |
CI | 296.27 ± 6.52ab | 282.78 ± 6.94a | 345.84 ± 42.40b | 328.46 ± 6.94ab | ∗ |
PDCAAS | 278.49 ± 3.73a | 265.81 ± 6.52ab | 325.09 ± 39.80b | 308.78 ± 3.73ab | ∗ |
DM: dry matter; NS: not significant; ∗p < 0.05; ∗∗p < 0.01; ∗∗∗p < 0.001; a,b,cvalues with different letters are significantly (p < 0.05) different within rows; BGA: female lambs of Beni-Guil breed sampled in the Ain Beni Methar region; BGT: female lambs of Beni-Guil breed sampled in the Tendrera region; Ti: Timahdite breed; ODj: Ouled-Djellal breed; EAA: essential amino acids; NEAA: nonessential amino acids; CI: chemical index; PDCAAS: protein digestibility-corrected amino acid score.