Table 5.

Genetic correlations (above diagonal) and phenotypic correlations (below diagonal) for lactation pattern and milk production traits

Traits	Traits1
	LY	IY	PY	YD	DP	LL	ln(a)	c
LY		0.91±0.03	0.96±0.02	0.98±0.01	−0.27±0.15	0.73±0.12	0.93±0.05	−0.02±0.29
IY	0.63±0.01		0.96±0.02	0.92±0.03	−0.57±0.12	0.59±0.15	0.90±0.05	−0.09±0.28
PY	0.78±0.01	0.80±0.01		0.97±0.02	−0.41±0.15	0.61±0.16	0.99±0.03	−0.04±0.28
YD	0.88±0.01	0.64±0.01	0.81±0.01		−0.31±0.16	0.67±0.16	0.96±0.04	0.13±0.25
DP	0.04±0.02	−0.30±0.01	−0.10±0.02	0.04±0.02		**	−0.42±0.16	**
LL	0.50±0.01	0.19±0.02	0.21±0.02	0.08±0.02	0.04±0.01		0.67±0.24	−0.09±0.77
ln(a)	0.57±0.01	0.53±0.01	0.65±0.01	0.63±0.01	0.09±0.01	−0.13±0.02		0.001±0.27
c	0.15±0.02	0.08±0.02	0.11±0.02	0.16±0.02	0.15±0.01	0.54±0.01	−0.43±0.01

¹LY = Lactation milk yield; IY = Initial milk yield; PY = Peak milk yield; YD = Average yield per d; DP = Days to peak; LL = Lactation length; ln(a) and c = parameters of the MIG function.

^**Genetic correlation between DP and LL and DP and c could not be estimated.