Fig. 2From: The effect of double nursing, an alternative nursing strategy for the hyper-prolific sow herd, on herd performanceDistribution (%) of the number of piglets weaned per sow per lactation in three years (2013–2015) of all recorded nursings (N = 3,907). In the distribution of the number of weaned piglets per sow two groups can be identified. Sows that nurse and wean one litter and DNS that nurse and wean two littersBack to article page