Fig. 1From: An evaluation of gonadotropin-releasing hormone analogue administered to gilts and sows on subsequent reproductive performance and piglet birth weightBirth weight (average ± SEM) per treatment group (C-group, control group, n = 2985; P-group, peforelin-treated group, n = 3048). Significant differences (P < 0.05) between both treatment groups are indicated by an asterix (*)Back to article page