Egg yolk source
Day of storage
Table 1 Effect of chicken, duck, Japanese quail or ostrich egg yolk in extender on motility of boar semen at 1, 3 and 7 days of storage (mean ± SD)
Control-no egg yolk 16 ºC
Control-no egg yolk 5 ºC
Chicken 5 ºC
Quail 5 ºC
Duck 5 ºC
Ostrich 5 ºC
(a,b,c) Different letters show significant difference (P