Table 2.

Genetic variances and heritabilities for Large White (herd*year var = 0.325)

Genetic models	Continuous scale		Grouped data scale
	variance (std deviation)	heritability (std deviation)	variance (std deviation)	heritability (std deviation)
Animal	0.140 (0.024)	0.077 (0.012)	0.140 (0.025)	0.077 (0.012)
Sire mgs dam	0.169 a (0.018)	0.097 (0.023)	0.166 b (0.017)	0.095 (0.023)
Sire dam	0.202 (0.035)	0.113 (0.018)	0.197 (0.034)	0.111 (0.018)
Sire mgs	0.171 (0.018)	0.098 (0.020)	0.167 (0.017)	0.097 (0.019)
Sire	0.246 (0.023)	0.141 (0.026)	0.230 (0.022)	0.132 (0.025)

^adam within maternal grandsire (mgs) variance = 0.016; ^bdam within maternal grandsire variance = 0.015