Table 1 Obtaining an ejaculate sample containing spermatozoa and behavioural reaction (negative or positive) during semen collection in groups of African penguins determined by the age, type of rearing and reproductive season.
Group | Spermatozoa | OR (95% CI) | p-value | Behaviour | OR (95% CI) | p-value | ||
|---|---|---|---|---|---|---|---|---|
No n (%) | Yes n (%) | Negative n (%) | Positive n (%) | |||||
Young (1.27–4 y.o.) | 182 (40.7%) | 43 (50.6%) | 0.67 (0.42;1.07) | 0.1166 | 68 (30.1%) | 157 (51.3%) | 0.41 (0.28;0.59) | 1.523 × 10−6 |
Mature (4–21.13 y.o.) | 265 (59.3%) | 42 (49.4%) | 158 (69.9%) | 149 (48.7%) | ||||
Reared by keeper | 201 (45.0%) | 47 (55.3%) | 0.66 (0.41;1.05) | 0.1029 | 76 (33.6%) | 172 (56.2%) | 0.40 (0.28;0.56) | 3.916 × 10−7 |
Reared by parents | 246 (55.0%) | 38 (44.7%) | 150 (66.4%) | 134 (43.8%) | ||||
Outside reproductive season | 177 (39.6%) | 20 (24.5%) | 2.12 (1.26;3.71) | 0.007155 | 94 (41.6%) | 103 (33.7%) | 1.40 (0.98;2.00) | 0.07472 |
During reproductive season | 270 (60.4%) | 65 (76.5%) | 132 (58.4%) | 203 (66.3%) | ||||
