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Figure 1 | BMC Evolutionary Biology

Figure 1

From: Growth reaction norms of domesticated, wild and hybrid Atlantic salmon families in response to differing social and physical environments

Figure 1

Overview of the experimental design, experiment I. The experimental period lasted for 44 weeks. Sampled individuals were sorted into smolts and non-smolts, based upon size and parr markings, and in the mixed-strain treatments and the single-strain treatment individuals were randomly sampled until 500 and 150 smolts, respectively, were sampled from each treatment tank. Out of the 3027 individuals sampled, 61 individuals were removed due to unsuccessful family assignment, growth malformations or sampling errors, leaving the total data set for growth comparisons consisting of 2966 individuals. The single-strain treatment initially consisted of three replicates per origin. However, to control for increasing biomasses these replicates were thinned as being merged into two replicates, where one replicate were later terminated due to rearing capacity.

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