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. Author manuscript; available in PMC: 2016 Sep 8.
Published in final edited form as: Evolution. 2015 Sep 8;69(9):2468–2481. doi: 10.1111/evo.12747

Table 3.

Mean reproductive parameters for females without litter.

Cross No. of females Body weight g (SE) ROW1 mg/g (SE) Smaller follicles x102 (SE) Larger follicles x102 (SE) Corpora lutea (SE) Placental scars (SE)
Controls (produced a litter) 20 13.2 (0.2) 0.41 (0.01) 77.6 (3.8) 7.2 (0.6) 21.2 (1.3) 7.2 (0.4)
Hybrids (produced a litter) 73 13.1 (0.2) 0.38 (0.01) 52.1 (1.8) 7.5 (0.3) 16.6 (0.7) 6.6 (0.3)
Controls (produced no litter) 1 13.9 ( − ) 0.41 ( − ) 109.6 ( − ) 7.2 ( − ) 22.0 ( − ) 0.0 ( − )
Hybrids (produced no litter) 12 12.3 (0.4) 0.29 (0.02)↓* 36.9 (4.2)↓* 5.9 (1.0)↓ 6.1 (1.0)↓* 1.7 (0.8)↓*
1

Relative ovary weight: milligrams of ovary/gram of body weight

↑ or ↓ indicate significantly larger or smaller versus the combined hybrids with litters based on Wilcoxon rank sum test using raw p-values (p < 0.05).

*

indicates remained significant after Bonferroni correction α = 0.0083. SE, Standard Error.