Table 2. Species and number of individuals used to quantify changes in lymphocyte subsets and plasma proteins associated with the primary and secondary responses to PHA injection.
| Species | First response (mm) | Second response (mm) | n | |
| Experimental individuals (injected with PHA) | Platycercus adscitus | 0.68 | 1.03 | 4 |
| Platycercus caledonicus | 0.59 | 1.08 | 2 | |
| Platycercus eximius | 0.54 | 0.77 | 4 | |
| Polytelis anthopeplus | 1.06 | 1.60 | 4 | |
| Psittacula krameri | 1.30 | 1.89 | 6 | |
| Control individuals (injected with PBS) | Platycercus adscitus | 0 | 0.04 | 1 |
| Platycercus eximius | 0 | 0 | 2 | |
| Polytelis anthopeplus | 0.01 | 0.01 | 3 |