Table 3 Effect of chicken, duck, Japanese quail or ostrich egg yolk in extender on percentage of normal
apical ridge of boar semen at 1, 3 and 7 days of storage (mean ± SD)
Egg yolk source
Day of storage
1 3 7
Control-no egg yolk 16 ºC 76.33±2.96 71.00±2.59a 63.08±1.78a
Control-no egg yolk 5 ºC 76.42±3.18 61.67±2.81d 49.42±1.62d
Chicken 5 ºC 76.50±3.37 65.67±3.03b 54.42±2.54b
Quail 5 ºC 75.67±3.54 65.08±1.93bc 54.16±2.29b
Duck 5 ºC 75.83±3.92 63.91±1.93c 53.83±2.17b
Ostrich 5 ºC 75.42±3.85 63.50±1.88c 52.17±1.19