On the day of the insult (P10), mean (SD) weight of the kits was 41.4g (8.8g) for males and 38.8g (7.2g) for females. Injured animals lost, on average, 8.5% (10.4%) bodyweight between P10 and P11 as a result of the insult. By P12 injured animals had gained 9.2% (13.7%) of their P10 bodyweight, compared to a 24.4% (5.2%) weight gain in controls at P12. By the 6th week of age (P35-P42), injured animals had caught up in terms of weight compared to control animals, and males began to become heavier than females. No difference in weight between injured and control animals was seen at P70.