Table 3.

The regression coefficient of classical inbreeding (F) when included in the multiple regression model alone, as well as the regression coefficients of classical and new inbreeding, and classical and ancestral inbreeding as defined by Ballou [12] when included in the model simultaneously, on milk, fat and protein yield (kg) ^1,2

	F	New3		Ballou4
		New	F	Ballou	F
Milk	-7.51 (1.472)	5.63 (14.170)	-8.29 (2.454)	6.6 (1.678)	-8.86 (1.511)
Fat	-0.47 (0.058)	-0.75 (0.555)	-0.37 (0.096)	0.04 (0.066)	-0.48 (0.059)
Protein	-0.27 (0.046)	0.42 (0.439)	-0.33 (0.076)	0.18 (0.052)	-0.31 (0.047)

¹Regression coefficients in bold type are significantly (P < 0.05) different from zero

² S.E. in brackets

³ Regression coefficients for new inbreeding and classical inbreeding when included simultaneously in the model

² Regression coefficients for ancestral inbreeding as defined by Ballou [12] and classical inbreeding when included simultaneously in the model.