δ15N | 15N intake (mg) | Body | Breast | Liver | Feather | Excreta | Total | Rec (%) |
---|---|---|---|---|---|---|---|---|
15N retention (15NR, mg) | ||||||||
L-(15N)-Met | ||||||||
44:56 | 10.73 ± 0.06 | 6.21 ± 0.35 | 1.55 ± 0.05 | 0.37 ± 0.02 | 0.49 ± 0.02 | 2.12 ± 0.11 | 10.74 ± 0.48 | 100 ± 4 |
50:50 | 10.27 ± 0.28 | 5.83 ± 0.12 | 1.80 ± 0.13 | 0.36 ± 0.01 | 0.40 ± 0.05 | 1.85 ± 0.07 | 10.23 ± 0.20 | 100 ± 1 |
56:44 | 10.25 ± 0.49 | 5.53 ± 0.42 | 1.67 ± 0.10 | 0.29 ± 0.03 | 0.47 ± 0.04 | 1.85 ± 0.15 | 9.80 ± 0.49 | 96 ± 9 |
L-(15N2)-Cys | ||||||||
44:56 | 12.06 ± 0.10 | 4.42 ± 0.26 | 1.04 ± 0.11 | 0.28 ± 0.04 | 2.18 ± 0.93 | 2.47 ± 0.23 | 10.39 ± 0.72 | 86 ± 6 |
50:50 | 11.58 ± 0.43 | 4.21 ± 0.70 | 1.07 ± 0.11 | 0.31 ± 0.05 | 2.71 ± 0.22 | 2.31 ± 0.14 | 10.60 ± 0.69 | 91 ± 4 |
56:44 | 11.79 ± 0.27 | 4.07 ± 0.29 | 1.07 ± 0.08 | 0.26 ± 0.01 | 2.66 ± 0.49 | 2.74 ± 0.50 | 10.79 ± 0.74 | 92 ± 8 |