Figure 3From: Congenital cataracts in an Ayrshire herd: a herd case reportFamily tree (dam line only). The red dots represent animals with cataracts, the green dots represent animals with no ocular abnormalities and the black dots represent the animals not examined (not in the herd). Data for sires was not available. Animals with cataracts are spread evenly across the diagram, suggesting there is no hereditary component.Back to article page