Table 11. Trial 7 –Essential oils ultrafogger disinfection, breeding and necropsy results.
Group | A: Contaminated, treated | B: Contaminated, untreated | C: Control | |||
---|---|---|---|---|---|---|
Infertile eggs/early embryonic death [%] | 0 | 1.4 | 4.3 | |||
Late embryonic death [%] | 1.4 | 2.9 | 2.9 | |||
Hatchability [%] | 98 | 98 | 90 | |||
Mortality [%] | 4.1 | 2.0 | 0 | |||
Day 7 / 14 | Day 7 / 14 | Day 7 / 14 | ||||
N | 24 | 23 | 24 | 24 | 23 | 22 |
Mean body weight [g] | 156.0a** | 512.3b**,c* | 185.4a** | 460.0b** | 168.9 | 471.7c* |
Mean relative liver weight [%] | 5.3 | 3.9a* | 5.5 | 4.1a* | 5.4 | 4.1 |
Mean relative gut weight [%] | 12.9a**,b** | 9.1c**,d** | 10.7a** | 8.4c** | 11.8b** | 9.7d** |
Macroscopy | ||||||
Abnormal yolk sacs [n] | 8a** | 9 | 3 | 11 | 0a** | 10 |
Abnormal kidneys [n] | 1 | 0 | 1 | 0 | 0 | 0 |
Histology | ||||||
Liver, extramedullary hematopoiesis [n] | 4 | 8a* | 6 | 2 | 3 | 3a* |
Liver, lymphoid follicles [n] | 5 | 5a* | 5 | 14a* | 7 | 10 |
Lung, lymphoid follicles [n] | 0 | 16 | 3 | 18 | 2 | 17 |
Kidneys, lymphoid follicles [n] | 2 | 4 | 2 | 4 | 0 | 3 |
Statistical evaluation conducted only between group A to group B and C
a, b, c, d Superscripts within the row and time indicate significant differences
* indicates p ≤ 0.05 (significant)
** indicates p ≤ 0.01 (highly significant)