Selection of performance-tested young bulls and indirect responses in commercial beef cattle herds on pasture and in feedlots

Table 4 Genetic correlation between growth and reproductive traits in performance-tested young bulls on pasture and feedlot with growth and reproductive traits in commercial young bulls and heifers on pasture and in feedlots

Traits	Performance-tested young bulls on pasture			Performance-tested young bulls in feedlots
Traits	FW	ADG	SC	FW	ADG	SC
FW^a	0.91 (0.86; 0.96)	0.63 (0.54; 0.78)	0.37 (0.27; 0.46)	0.87 (0.82; 0.91)	0.60 (0.47; 0.71)	0.53 (0.44; 0.63)
ADG^a	0.69 (0.62; 0.76)	0.84 (0.78; 0.90)	0.27 (0.18; 0.37)	0.40 (0.30; 0.51)	0.39 (0.27; 0.52)	0.24 (0.11; 0.36)
SC^a	0.32 (0.22; 0.40)	0.27 (0.16; 0.37)	0.94 (0.92; 0.97)	0.28 (0.16; 0.40)	0.17 (0.00; 0.33)	0.80 (0.73; 0.88)
AFC^a	−0.19 (−0.38; 0.09)	−0.26 (−0.48; −0.06)	−0.23 (−0.41; −0.05)	0.02 (−0.17; 0.18)	−0.06 (−0.29; 0.10)	−0.11 (−0.35; 0.13)
FW^b	0.66 (0.54; 0.78)	0.33 (0.17; 0.54)	0.25 (0.10; 0.38)	0.88 (0.83; 0.94)	0.65 (0.52; 0.77)	0.33 (0.18; 0.47)
ADG^b	0.54 (0.38; 0.71)	0.39 (0.23; 0.56)	0.23 (0.03; 0.42)	0.72 (0.60; 0.85)	0.58 (0.40; 0.79)	0.26 (0.12; 0.40)
SC^b	0.12 (−0.10; 0.34)	0.12 (−0.10; 0.28)	0.73 (0.63; 0.83)	0.49 (0.38; 0.61)	0.56 (0.45; 0.70)	0.67 (0.50; 0.83)

Lower and upper limits of the highest posterior density intervals with 90% of the samples are listed between brackets
FW final weight, ADG average daily gain, SC scrotal circumference, AFC age at first calving
^aFW, ADG, SC and AFC in commercial young bulls and heifers on pasture
^bFW, ADG and SC in commercial young bulls and heifers in feedlots