| Month | Control | Carotenoid supplement | ||
|
| Given | Eaten | Given | Eaten |
| February | 582.0 | 582.0 | 582.0 | 582.0 |
| March | 630.0 | 625.1 | 630.0 | 625.2 |
| April | 562.0 | 555.0 | 562.0 | 556.3 |
| May | 530.0 | 494.3 | 530.0 | 499.1 |
| June | 444.0 | 394.8 | 444.0 | 417.8 |
| Total | 2748.0 | 2651.2 | 2748.0 | 2680.4 |