Body mass and composition of pups of primiparous and multiparous grey seal females at days 3 and 12 postpartum and at weaning.

maternal parturition mass. n = 14 (see text for details). body composition at weaning estimated using pup mass gain per day from day 12 postpartum to weaning and assuming that the proportion of water, fat and protein gained per kg remained constant.Values are means ± standard errors, ranges are in parentheses.