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.
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 |