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. 2018 Jun 9;96(9):3549–3557. doi: 10.1093/jas/sky227

Table 2.

Joint angles (degrees) of breeding herd female feet leg conformation traits1 (least squares means ± SE) at age of selection and post first parity

Entire population2 Subpopulation3
Selection Post first parity Selection Post first parity
LS Means SE LS Means SE LS Means SE LS Means SE
Knee 164.7a 0.3 158.3b 0.3 164.7a 0.5 158.6b 0.5
Front pastern 54.7a 0.3 52.1b 0.4 54.8a 0.6 51.6b 0.6
Rear pastern 57.6a 0.3 50.3b 0.3 57.5a 0.5 50.1b 0.5
Hock 140.8a 0.3 146.9b 0.3 141.1a 0.5 146.4b 0.5
Rear stance 91.9a 0.3 86.6b 0.4 91.4a 0.6 86.2b 0.6

1Evaluated as per Stock et al. (2017) using an objective method based on digital images.

2Females evaluated approximately at 150 d of age at the point of selection (n = 319) and 0 to 12 wk of second gestation post first parity (n = 277).

3Females evaluated approximately at 150 d of age at the point of selection (n = 319) and subpopulation of second gestation post first parity evaluated between 0 and 3 wk (n = 126).

a,bWithin row and population, significant differences between predictor variables; P < 0.05.