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Table 1 Number of animals, mean, standard deviation, minimum, maximum, coefficients of skewness (g1) and kurtosis (g2) of TTN, signed (RTN-LTN) and unsigned |RTN-LTN| differences between the teat number of the right (RTN) and left (LTN) sides in the White Duroc × Erhualian resource population.

From: Genome-wide QTL mapping for three traits related to teat number in a White Duroc × Erhualian pig resource population

Population n TTN(RTN+LTN) (RTN-LTN) |RTN-LTN|
   Mean SD Min Max g 1 g 2 Mean SD g 1 g 2 Mean SD
White Duroc 20 13.65 1.18 12 16 -- -- -0.05 0.51 -- -- 0.25 0.44
Erhualian 24 19.58 1.28 17 22 -- -- -0.08 0.88 -- -- 0.58 0.65
F1 193 16.36 1.67 12 21 0.24 -0.02 0.15 0.84 0.44* 0.74*** 0.48 0.56
F2 1899 17.09 1.35 13 22 0.19** 0.37*** 0.05 0.63 0.08 0.89*** 0.40 0.49
F3 660 17.07 1.35 13 22 0.35*** 0.08 0.02 0.72 0.05 0.69*** 0.54 0.61
Total 2796 17.07 1.47 12 22 0.11* 0.22*** 0.03 0.77 0.11** 1.42*** 0.51 0.57
  1. Test significance of g1 and g2: *P < 0.05; **P < 0.01; ***P < 0.001.