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)
Egg yolk source
Day of storage
1 3 7
Control-no egg yolk 16 ºC 73.00±2.45a 71.17±3.46a 67.08±3.0a
Control-no egg yolk 5 ºC 70.92±1.44c 63.42±3.09d 51.50±2.07d
Chicken 5 ºC 72.17±2.52ab 66.92±2.71b 61.92±1.98b
Quail 5 ºC 72.00±2.59b 66.67±2.27bc 61.50±2.11b
Duck 5 ºC 71.83±2.59b 66.50±2.91bc 61.83±2.17b
Ostrich 5 ºC 71.50±2.02bc 64.92±2.02cd 59.08±2.27c
(a,b,c)
Different letters show significant difference (P