Influence of age, body weight, and average daily gain at first insemination of Topigs Norsvin TN70 gilts on the litter size
Fan, Z. (Student); Engen, M. van
Influence of backfat thickness, body weight and body condition score of sows during gestation and lactation on the vitality of pre-weaned piglets and litter performance
Jansen Venneboer, S. (Student); Bonekamp, R.; Meinderts, J.