Table 1 Descriptive statistics for boars and gilts
From: Social genetic effects for growth in pigs differ between boars and gilts
Variable (units) | Boars | Gilts | ||
|---|---|---|---|---|
Mean | SD | Mean | SD | |
Number of animals | 32,212 | 48,252 | ||
Number of observations | 30,447 | 45,942 | ||
Number of groups | 2864 | 4445 | ||
Number of incomplete groups | 1765 | 2310 | ||
Number of compartments | 789 | 789 | ||
Number of litters | 8611 | 10,209 | ||
Average group size | 11.7 | 11.3 | ||
Average genetic relationship between pigs within a group | 0.183 | 0.182 | ||
Age at start of test (days) | 82.5 | 8.4 | 81.6 | 8.2 |
Age at end of test (days) | 143.9 | 12.4 | 145.9 | 12.1 |
Weight at start of test (g) | 30.3 | 1.9 | 30.4 | 1.9 |
Weight at end of test (g) | 94.1 | 9.7 | 94.0 | 8.8 |
Average daily gain (g) | 1031.1 | 137.5 | 977.3 | 115.2 |