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. 2018 Mar 12;13(3):e0194293. doi: 10.1371/journal.pone.0194293

Fig 2. Phenotypic differences between the F344, WKY, and F344.WKY-Stresp10 strains in the defensive burying and open field tests.

Fig 2

(A, B) Both WKY and F344.WKY-Stresp10 adult male rats exhibited significantly longer latency to bury and shorter duration of burying the electrified prod compared to the F344s. (C, D) Both WKY and F344.WKY-Stresp10 rats groomed less (time spent grooming in seconds) and reared less compared to the F344s in the DB paradigm. (E) WKYs also rear significantly less than F344s in the OFT, while the number of rearing of F344.WKY-Stresp10 did not differ significantly from either parental strain. Data are presented as mean ± standard error of mean. N = 13–18 per group. ** P < 0.01 by two-way ANOVA followed by Bonferroni’s multiple comparisons test.