| Source of Variation | Df | Tryptophan (Lot 1) | Tryptophan (Lot 2) | Lysine (Lot 1) | Lysine (Lot 2) |
| Treatments | 5 | 0.145 ns | 0.145 ns | 1.114 ns | 1.271 ns |
| Repetitions | 1 | 0.001 ns | 0.064 ns | 0.004 ns | 0.891 ns |
| Error | 5 | 0.036 | 0.204 | 0.956* | 1.893 |
| CV (%) |
| 26.63 | 56.31 | 20.46 | 25.05 |