Table 4.
Arginine: GAA equivalence values derived from broiler studies.
| Reference | Diet type /Bird breed & Age | Arg, GAA in diet | Arg:GAA ratio w:w5 | |
|---|---|---|---|---|
| Dilger et al., 20131 | Semisynthetic / New Hampshire × Columbian/ d 8-17 |
0.86 Total Arg + 0.06% GAA + 0.12% GAA + 1.0% Arg |
n/a | |
| Dilger et al., 20132 | Semisynthetic / New Hampshire × Columbian/ d 8-17 |
0.86 Total Arg + 0.12% Arg + 0.12% GAA + 0.12% Arg + 0.12% GAA |
BWG FCR |
1:1 1.1 |
| Dilger et al., 20133 | Practical / New Hampshire × Columbian/ d 8-17 |
1.0% Total Arg + 0.12% GAA + 0.25% Arg + 0.12% GAA + 0.25% Arg + 1.25% Arg/ Met suppl. |
BWG FCR |
n/a 2:1 |
| Dilger et al., 20134 | Semisynthetic / New Hampshire × Columbian/ d 8-17 |
0.88% Total Arg + 0.12, 0.24, 0.36, 0.48, 0.60, 0.72% Arg +/- GAA 0.12% |
BWG FCR |
<1:1 (1.256) 1:1 (1.656) |
|
Ringel et al., 2013 Scharch et al., 2019 |
Practical / Ross 308 / d 14-28 |
0.92 Total Arg (0.80% SID) +/- 0.06% GAA + 0.05, 0.10, 0.17, 0.25, 0.35% Arg +/- 0.06% GAA |
BWG FCR Total PCr in breast muscle |
1.16:16 0.77:16 1.67:1 |
| De Groot et al., 2018 | Practical / Ross 708 / d 8-22 |
0.96% Total Arg (0.84% SID) + 0.06 / 0.12% GAA 1.0% Arg + 0.06 / 0.12% GAA 1.16% Arg |
BWG FCR Muscle PCr |
1.3:1 >1.3:1 2.7:1 |
| De Groot et al., 2019 | Practical / Ross 708/ d 2-28 | 1.08% Total Arg (0.97 SID) Starter 0.95% Total Arg (0.84% SID) Grower + 0.06, 0.12, 0.18% GAA + 0.37% 0.32% Arg |
BWG FCR Muscle PCr |
<3:1 <3:1 3:1 |
| Ale Sahib Fosoul et al., 2019 | Practical / Ross 308/ d 1-35 |
1.21/ 1.12 Total Arg Starter & Grower + 0.06, 0.12, 0.18% GAA + 0.33%, 0.23% Arg |
BWG FCR Blood Nitric oxide Blood creatinine |
n/a |
1
Study 1.
2
Study 2.
3
Study 3.
4
Study 4.
5
Arg:GAA (w:w) interpretation of current authors derived from published results.
6
interpretation of original authors derived by further regression analysis (Lemme et al, 2018).