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Figure 1

From: Shape and fractures of carina sterni in chicken genotypes with different egg deposition rates reared indoor or free-range

Figure 1

Principal component analysis plot. Grouping variables: (a) productivity (low and high); (b) genotypes (bubble size according to live weight, outlier shape shown in each spline); (c) shape variation along PC1 and PC2. Consensus: a set of landmarks intended to represent the central tendency of an observed sample, computed to minimize the sum of squared Procrustes distances from the consensus landmarks to those of the sample.

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