Measurements | Germ-free hens | Specific pathogen free hens | Conventional hens | P value |
---|---|---|---|---|
Protein concentration (mg/ml) | 111 ± 14 | 119 ± 14 | 116 ± 6 | 0.24 |
pH | 8.41 ± 0.10 a* | 8.54 ± 0.11 b | 8.60 ± 0.15 b | <0.001 |
Lysozyme activity (U/mg) | 110200 ± 51220 | 96700 ± 29820 | 101700 ± 35120 | 0.74 |
Remaining protease inhibition activity (% of control) | Â | Â | Â | Â |
Anti-papain activity | 45.4 ± 5.3 | 43.7 ± 5.5 | 41.8 ± 3.5 | 0.26 |
Anti-trypsin activity | 46.4 ± 2.9 | 46.3 ± 4.6 | 45.9 ± 2.9 | 0.95 |
Anti-chymotrypsin activity | 44.2 ± 4.6 | 48.6 ± 5.2 | 48.8 ± 4.9 | 0.07 |