Table 1.
Descriptive statistics of sperm quality parameters recorded in the fresh ejaculates of Bionda Piemontese (BP), Bianca di Saluzzo (BS) and Pepoi (PP) Italian chicken breeds.
| Sperm | BP | BS | PP | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Variables 1 | Mean | Min | Max | CV | Mean | Min | Max | CV | Mean | Min | Max | CV |
| VOL (mL) | 0.27 | 0.03 | 0.83 | 61.17 | 0.26 | 0.03 | 1.00 | 70.23 | 0.35 | 0.05 | 0.80 | 52.88 |
| CONC (×109/mL) | 2.49 | 0.38 | 5.38 | 50.21 | 2.53 | 0.42 | 6.31 | 56.00 | 4.42 | 2.33 | 6.80 | 21.44 |
| TSO (×109) | 0.72 | 0.03 | 2.92 | 84.03 | 0.71 | 0.025 | 2.93 | 94.13 | 1.57 | 0.23 | 4.3 | 60.06 |
| SMI (%) | 78.50 | 58.00 | 98.00 | 16.16 | 70.36 | 44.00 | 89.00 | 18.26 | 92.05 | 72.00 | 100.0 | 6.89 |
| TMS (%) | 83.15 | 62.70 | 100.0 | 15.14 | 74.82 | 18.10 | 99.00 | 39.83 | 82.06 | 21.50 | 99.40 | 21.90 |
| PMS (%) | 18.77 | 9.90 | 33.10 | 40.73 | 12.73 | 0.50 | 25.70 | 61.87 | 19.30 | 2.40 | 39.20 | 50.73 |
| VCL (μm/s) | 64.80 | 38.60 | 131.1 | 45.27 | 53.08 | 25.70 | 91.10 | 36.64 | 56.44 | 27.40 | 108.2 | 32.52 |
| VSL (μm/s) | 25.15 | 16.90 | 40.30 | 31.87 | 19.51 | 7.80 | 31.00 | 31.14 | 21.67 | 10.00 | 39.90 | 34.14 |
| VAP (μm/s) | 39.80 | 24.50 | 74.00 | 38.56 | 32.52 | 13.30 | 54.90 | 35.61 | 34.83 | 17.90 | 65.90 | 33.84 |
| LIN (%) | 40.96 | 30.80 | 53.40 | 21.02 | 37.66 | 30.20 | 49.80 | 17.90 | 38.64 | 26.60 | 53.30 | 15.20 |
| STR (%) | 64.57 | 54.20 | 75.80 | 12.59 | 61.05 | 54.40 | 75.10 | 11.34 | 62.29 | 51.40 | 74.90 | 8.82 |
| WOB (%) | 62.81 | 56.40 | 71.40 | 8.63 | 61.36 | 51.60 | 67.60 | 7.35 | 61.63 | 50.20 | 70.80 | 7.27 |
| ALH (μm) | 3.76 | 2.60 | 5.80 | 26.42 | 3.36 | 1.90 | 4.40 | 21.97 | 3.34 | 2.10 | 4.90 | 15.84 |
| BCF (Hz) | 7.06 | 5.10 | 9.40 | 18.58 | 6.66 | 5.60 | 8.40 | 13.64 | 7.07 | 5.20 | 9.80 | 12.79 |
1 VOL, sperm volume; CONC, sperm concentration; TSO (VOL*CONC), total sperm output; SMI, sperm membrane integrity; TMS, total motile sperm; PMS, progressive motile sperm; VCL, curvilinear velocity; VSL, straight-line velocity; VAP, average path velocity; LIN (VSL/VCL × 100), linearity; STR (VSL/VAP × 100), straightness; WOB (VAP/VCL × 100), wobble; ALH, amplitude of lateral head displacement; BCF, beat cross frequency.