. 2019 Mar 25;97(5):2009–2014. doi: 10.1093/jas/skz100

Table 3.

Effects of parity and housing condition on PLR parameters (n = 48, mean ± SD)

Parameters	Housing conditions	First parity	Third parity	Fifth parity	Mean
CON	Confined	0.16 ± 0.04^a	0.11 ± 0.05^b	0.08 ± 0.05^cy	0.12 ± 0.06^y
	Group housed	0.17 ± 0.04^a	0.13 ± 0.05^b	0.12 ± 0.05^bx	0.14 ± 0.05^x
	Average	0.16 ± 0.04^a	0.12 ± 0.05^b	0.10 ± 0.05^c
LAT, s	Confined	0.36 ± 0.15^c	0.48 ± 0.18^b	0.65 ± 0.25^ax	0.50 ± 0.23
	Group housed	0.39 ± 0.11^b	0.44 ± 0.17^b	0.52 ± 0.23^ay	0.45 ± 0.18
	Average	0.38 ± 0.13^c	0.46 ± 0.18^b	0.59 ± 0.25^a
ACV, m/s	Confined	1.96 ± 0.73^ay	1.68 ± 0.83^a	1.24 ± 0.73^by	1.62 ± 0.81^y
	Group housed	2.32 ± 0.77^ax	1.79 ± 0.64^b	1.61 ± 0.69^bx	1.91 ± 0.76^x
	Average	2.14 ± 0.77^a	1.73 ± 0.74^b	1.42 ± 0.73^c
MCV, m/s	Confined	3.70 ± 0.99^ay	3.34 ± 0.99^a	2.50 ± 1.14^by	3.20 ± 1.16^y
	Group housed	4.14 ± 0.99^ax	3.47 ± 1.05^b	3.31 ± 1.03^bx	3.63 ± 1.09^x
	Average	3.92 ± 1.01^a	3.41 ± 1.02^b	2.90 ± 1.15^c
ADV, m/s	Confined	0.93 ± 0.93^ax	0.71 ± 0.34^ab	0.60 ± 0.50^by	0.75 ± 0.65^x
	Group housed	0.74 ± 0.32^y	0.67 ± 0.34	0.64 ± 0.24^x	0.68 ± 0.30^y
	Average	0.83 ± 0.70	0.70 ± 0.33	0.62 ± 0.39
T75, s	Confined	1.81 ± 0.90^a	1.50 ± 0.84^ab	1.29 ± 0.92^b	1.53 ± 0.90
	Group housed	1.50 ± 0.70	1.64 ± 0.81	1.47 ± 0.82	1.53 ± 0.78
	Average	1.65 ± 0.81^a	1.57 ± 0.83^ab	1.38 ± 0.87^b

Different superscripts, a, b and c, indicate a significant difference in row at P < 0.05.

Different superscripts, x and y, indicate a significant difference in column at P < 0.05.