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. 2017 Nov 17;7(11):86. doi: 10.3390/ani7110086

Table 2.

Standard deviation of the herd average daily lying time (h/d) and lying bout duration (min/bout) with parity and hock injury status. Standard deviation of lying time and lying bout duration increased with multiple parities. Standard deviation of lying bout duration decreased when both hocks were injured or not injured.

Variable Estimate SE p Value
SD of lying time (h/d)
Multiparous 0.31 0.13 0.30 0.02
SD of lying duration (min/bout)
Bilateral injury −14.41 4.44 0.07 0.001
No injury −17.86 4.99 0.07 0.0004
Multiparous 5.02 2.49 0.02 0.05