Table 5a.
|
Short-term extender |
||||||
---|---|---|---|---|---|---|---|
Category | Days | MR-A 3 | Androstar | Mr Pig Sire | ZM | Modena 1 | BTS |
Living and undamaged spermatozoa with high membrane potential | 0 | 89.00± 5.57a | 88.00±8.19a | 88.67±2.52a | 88.00±2.00a | 88.33±2.52a | 89.67±4.04a |
2 | 63.67± 1.53a | 67.67±3.51a | 65.00±3.61a | 39.67±6.03b | 50.33±1.53c | 67.33±4.93c | |
4 | 43.67± 1.53a | 34.00±1.00b | 40.33±3.21c | 15.33±2.52d | 20.67±3.79e | 58.33±3.06f | |
6 | 20.33± 4.04a | 20.67±1.53a | 19.67±3.79a | 1.67±0.58b | 15.33±2.31c | 52.67±3.51d | |
Living spermatozoa with high membrane potential but acrosome reaction | 0 | 1.00±0.00a | 0.33±0.58a | 0.00±0.00b | 1.00±0.00a | 0.67±0.58c | 1.33±0.58d |
2 | 0.33±0.58a | 0.33±0.58a | 0.00±0.00b | 0.33±0.58a | 0.00±0.00b | 0.00±0.00b | |
4 | 1.00±1.00a | 0.33±0.58b | 0.00±0.00c | 0.00±0.00c | 0.00±0.00c | 1.00±1.00a | |
6 | 0.67±0.58a | 0.33±0.58b | 0.00±0.00c | 0.33±0.58a | 0.00±0.00c | 0.33±0.58a | |
Living and undamaged spermatozoa with low membrane potential | 0 | 0.00±0.00a | 0.00±0.00a | 0.00±0.00a | 0.00±0.00a | 0.00±0.00a | 0.00±0.00a |
2 | 0.00±0.00a | 0.00±0.00a | 0.67±0.58b | 0.67±0.58b | 1.00±1.00b | 0.00±0.00a | |
4 | 3.00±2.65a | 0.00±0.00b | 3.33±2.08a | 1.33±0.58c | 1.33±1.15c | 1.67±0.58c | |
6 | 2.67±1.15a | 0.00±0.00b | 1.33±0.58c | 1.00±1.00c | 1.67±0.58c | 1.00±1.00c | |
Destabilized spermatozoa with high membrane potential | 0 | 5.33±1.53ac | 6.33±2.52a | 6.67±2.08a | 1.33±1.53b | 4.33±1.53ac | 3.33±1.53c |
2 | 15.33±1.53a | 14.33±0.58a | 7.67±3.21b | 16.67±2.08a | 9.00±2.65b | 9.33±3.51b | |
4 | 14.33±2.08a | 13.33±1.15ab | 11.00±2.65b | 14.67±2.31a | 16.33±1.53a | 8.00±3.00c | |
6 | 15.67±1.53a | 14.00±3.00a | 17.00±1.73a | 14.00±2.65a | 16.33±1.53a | 9.00±4.00b | |
Destabilized spermatozoa with high membrane potential and acrosome reaction | 0 | 1.33±0.58a | 2.33±1.15b | 2.00±1.00b | 4.33±2.08c | 2.33±1.53b | 1.67±0.58ab |
2 | 7.00±2.00a | 8.67±1.15a | 6.67±0.58a | 13.00±1.73b | 4.33±2.52c | 4.67±2.08c | |
4 | 11.33±2.08a | 10.67±1.53a | 10.00±3.46a | 14.33±2.52b | 7.67±0.58c | 7.00±2.00c | |
6 | 14.00±2.65a | 5.33±1.53b | 11.33±1.53c | 9.00±2.65c | 8.00±2.00d | 4.00±1.73b |
a,f Means (± SE) within a line not sharing a common superscript differ (P < 0.05).