Table 6.
Fertility obtained with frozen-thawed semen, according to male origin and female origin1
| Origin | Female of the same line as the males | ISA Brown females commercial brown-egg layer |
|---|---|---|
| Strain Gauloise dorée, 8 males | ||
| % Fertility | 21de | 39c |
| Number fertile/incubated eggs | 22/103 | 108/278 |
| Line R+ 8 males | ||
| % Fertility | 14ef | 25d |
| Number fertile/incubated eggs | 27/195 | 64/257 |
| Line Y33 8 males | ||
| % Fertility | 68a | 59ab |
| Number fertile/incubated eggs | 107/158 | 133/226 |
| Line B4 4 males | ||
| % Fertility | 7f | 43bc |
| Number fertile/incubated eggs | 9/128 | 43/100 |
a–f
Indicates significant differences (P < 05).
1
There were 4 to 8 males per line, 4 females per male and 3 straws used for each female.