Table 1. Semen volume, concentration, motility and purity in ten mature Landrace boars.

Mature boars1	Semen volume2	Sperm moncentration3	Sperm motility4	Presence of immature sperm & somatic cells5
Boar 1	120 ml	1.2 x 109/ml	90%	Absence
Boar 2	150 ml	0.8 x 109/ml	85%	Absence
Boar 3	120 ml	1.0 x 109/ml	90%	Absence
Boar 4	180 ml	1.5 x 109/ml	88%	Absence
Boar 5	130 ml	0.9 x 109/ml	90%	Absence
Boar 6	180 ml	1.2 x 109/ml	85%	Absence
Boar 7	200 ml	1.5 x 109/ml	87%	Absence
Boar 8	170 ml	1.0 x 109/ml	85%	Absence
Boar 9	150 ml	1.2 x 109/ml	90%	Absence
Boar 10	200 ml	0.9 x 109/ml	87%	Absence
Mean ± SD	160 ± 30.55 ml	1.2 x 109 ± 0.24 /ml	87.7 ± 2.21 %	N/A