Table 3.

Mean and variance components of competitive ability in small vials

	Frozen control	Cold control	MCN-1
Mean	0.713  ±  0.048	0.632  ±  0.032	0.563  ±  0.032
Sire	0.026  ±  0.010	0.025  ±  0.021	0.018  ±  0.013
Dam	0.040  ±  0.034	0.059  ±  0.018	0.058  ±  0.018
Residual	0.063  ±  0.028	0.057  ±  0.014	0.067  ±  0.015