Table 6. Sperm characteristics of in natura and cryopreserved semen (mean±standard deviation) of buffalo bulls fed diets enriched with lipids from crude palm oil (PALM) or from palm oil deodorization distillate (PODD).
| Variable | CONT (n=32) | PALM (n=32) | PODD (n=24)‡ | CV† (%) |
|---|---|---|---|---|
| Progressive motility (%) | ||||
| In natura | 70.5±1.2A | 72.7±1.4A | 70.7±1.2A | 7.4 |
| Cryopreserved | 60.2±1.2Bb | 67.9±1.4Ba | 65.2±1.3Ba | 7.8 |
| Vigor (%) | ||||
| In natura | 3.2±0.1A | 3.2±0.1 | 3.2±0.1 | 0.5 |
| Cryopreserved | 2.5±0.1B | 3.3±0.1 | 2.9±0.1 | 0.5 |
| Viability (%) | ||||
| In natura | 70.9±1.4 | 72.8±1.7 | 69.2±1.4 | 10.7 |
| Cryopreserved | 61.1±1.3b | 69.4±1.5a | 67.8±1.3a | 9.2 |
| Major defects (%) | ||||
| In natura | 12.2±0.8a | 9.3±1.0b | 13.2±0.8a | 6.0 |
| Cryopreserved | 12.4±0.8a | 9.4±1.0b | 11.2±0.8ab | 5.1 |
| Minor defects (%) | ||||
| In natura | 3.7±0.5 | 3.0±0.5 | 2.7±0.5 | 3.5 |
| Cryopreserved | 3.3±0.5 | 3.5±0.5 | 2.7±0.5 | 2.7 |
| Total defects (%) | ||||
| In natura | 16.0±1.0a | 12.3±1.2b | 16.0±1.0a | 7.3 |
| Cryopreserved | 15.8±1.0 | 12.9±1.2 | 14.0±1.0 | 5.9 |
a,b,c
Means with different small superscript letters on the same row are significantly different (P<0.05); A,B Means with different capital superscript letters on the same column are significantly different (P<0.05). † CV = coefficient of variation; ‡ n=number of ejaculates.