Figure 4From: Heritability of longevity in Large White and Landrace sows using continuous time and grouped data modelsRisk ratios for parity*RPC in Large White. Note: The three digit classes on the x axis stand for parity (hundreds) and class of relative piglet classes (tens and ones); for example 201 is the lowest RPC class in parity 2; the arrow indicates the reference class.Back to article page