Table 7.

Number of sires (N) and ranges (minimum and maximum) of estimated breeding values of sires for lactation pattern and milk production traits across different sire breed groups

Sire breed group	N	Traits
		LY		IY		PY		YD		DP		LL		ln(a)		c
		Min	Max	Min	Max	Min	Max	Min	Max	Min	Max	Min	Max	Min	Max	Min	Max
B	21	−393	196	−2.9	0.9	−2.5	1.0	−1.8	0.6	−4.5	10.1	−17.4	16.2	−0.50	0.17	−0.0003	0.001
H	28	−43	277	0.0	2.9	−0.4	1.6	−0.3	1.1	−22.0	−3.5	−26.3	5.5	−0.10	0.25	−0.0017	−0.001
F	77	729	1,962	3.5	10.9	3.7	10.6	3.0	7.4	−28.7	0.2	94.5	139.4	0.52	1.30	0.0046	0.005
J	32	505	1,069	2.7	5.4	2.5	6.2	2.3	4.3	−15.1	−4.5	47.4	114.8	0.32	0.74	0.0047	0.005
S	37	503	1,287	2.8	5.1	3.2	6.5	2.8	4.9	−6.9	2.8	62.4	108.5	0.34	0.67	0.0056	0.006
1/2F 1/2B	31	150	709	1.3	4.5	1.5	4.1	0.9	2.9	−13.4	−0.7	36.9	77.2	0.26	0.53	0.0022	0.003
3/4F 1/4B	4	718	1,006	4.3	5.6	4.4	5.7	2.9	4.1	−11.2	−6.6	72.0	90.5	0.56	0.70	0.0036	0.004
1/2J 1/2B	17	144	333	0.6	2.6	1.0	2.5	1.1	1.7	−8.8	−2.3	26.1	61.7	0.07	0.34	0.0023	0.003
3/4J 1/4B	2	432	564	3.1	3.1	2.6	3.1	2.2	2.5	−8.6	−4.4	52.5	55.6	0.29	0.40	0.0037	0.004
1/2S 1/2B	3	236	385	1.7	3.3	1.6	3.4	1.3	2.3	−1.7	0.9	38.3	57.1	0.14	0.46	0.0029	0.003
1/2F 1/2H	11	213	694	2.4	4.1	1.2	4.1	0.9	2.9	−16.8	−8.1	38.4	61.3	0.14	0.52	0.0016	0.002
3/4F 1/4H	2	899	967	5.3	5.3	5.1	5.4	3.6	3.8	−12.4	−9.8	77.9	94.5	0.68	0.69	0.0034	0.004
1/2J 1/2H	11	113	567	1.3	3.2	0.3	2.7	0.7	2.0	−12.5	−4.9	18.8	41.6	−0.01	0.36	0.0019	0.002
3/4J 1/4H	1	496	496	3.2	3.2	2.7	2.7	2.5	2.5	−8.4	−8.4	59.8	59.8	0.32	0.32	0.0036	0.004
1/2S 1/2H	6	37	463	1.1	2.3	0.3	2.6	1.1	2.2	−13.0	−0.8	25.8	50.7	0.06	0.33	0.0022	0.003

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.