Table 1.
Effect of poloxamer 188 on fertility and hatchability rates of rooster semen after freeze-thawing. Each experimental group contained 195 eggs initially.
| Glycerol (%) |
2 |
8 |
||||||
|---|---|---|---|---|---|---|---|---|
| Poloxamer 188 (%) | 0 | 0.1 | 0.5 | 1 | 0 | 0.1 | 0.5 | 1 |
| Fertilized eggs (N) | 68 | 79 | 104 | 130 | 88 | 92 | 115 | 97 |
| Fertilized eggs (%) | (34.8)a,α | (40.5)a,b | (53.3)b | (66.7)c,α | (45.1)a,β | (47.2)a,b | (59.0)b | (49.7)a,b,β |
| Hatched eggs (N) | 43 | 51 | 69 | 94 | 56 | 60 | 77 | 64 |
| Hatched eggs (%) | (22.1)a | (26.2)a,b | (35.4)b,c | (48.2)c,α | (28.7) | (30.8) | (39.5) | (32.8)β |
| Hatched eggs ratio (%) | 63.2 | 64.6 | 66.4 | 72.3 | 63.6 | 65.2 | 67.0 | 66.0 |
Numbers are absolute counts of eggs, with percentages (ratio respect to the initial egg count) between parentheses, except for the hatched eggs ratio (hatched/fertilized as percentage). Different Latin superscript letters indicate significant differences between poloxamer 188 concentrations within each glycerol concentration (P < 0.05). Different Greek superscript letters within each row indicate significant differences between glycerol treatments within each poloxamer 188 concentration (P < 0.05).