Serum Nerve Growth Factor Levels as a Predictor of Bull Candidate Semen Quality of Madura Cattle

Table 2

Pearson matrix correlation among variables (serum NGF levels, testosterone levels, sperm motility, sperm viability, and sperm concentration).

Parameters	NGF levels	Testosterone levels	Sperm Concentration	Sperm Viability
Testosterone levels	0.703
Sperm concentration	0.450	0.712
Sperm viability	0.484	0.755	0.232
Sperm motility	0.522	0.555	0.199	0.94

Significant correlation ().