Table 2.

Summary of two-way ANOVA analyses associated with Figures 1 and 3, including F- and P-statistics associated with the main effects of photoperiod and age, and their interaction, on testis length, fat score, and the expression of DIO2, DIO3, FSHβ, LHβ, PRL, GH, and OPN5E

PhotoperiodAgePhotoperiod:age
Testis lengthF(1,15) = 198.46, p = 4.69 × 10−10***F(1,15) = 112.75, p = 2.26 × 10−8***F(1,15) = 81.17, p = 1.94 × 10−7***
Fat scoreF(1,16) = 9.23, p = 7.83 × 10−3**F(1,16) = 6.15, p = 2.46 × 10−2*F(1,16) = 0.00, p = 1.00 n.s.
DIO2F(1,16) = 0.77, p = 3.94 × 10−1 n.s.F(1,16) = 6.94, p = 1.81 × 10−2*F(1,16) = 22.12, p = 2.4 × 10−4***
DIO3F(1,17) = 10.78, p = 4.38 × 10−3**F(1,17) = 13.40, p = 1.94 × 10−3**F(1,17) = 15.30, p = 1.12 × 10−3**
FSHβF(1,17) = 17.69, p = 5.95 × 10−4***F(1,17) = 29.54, p = 4.45 × 10−5***F(1,17) = 0.83, p = 3.75 × 10−1 n.s.
LHβF(1,17) = 9.47, p = 6.83 × 10−3**F(1,17) = 74.37, p = 1.29 × 10−7***F(1,17) = 4.68, p = 4.51 × 10−2*
PRLF(1,17) = 9.27, p = 7.34 × 10−3**F(1,17) = 14.64, p = 1.35 × 10−3**F(1,17) = 1.92, p = 1.83 × 10−1 n.s.
GHF(1,16) = 3.46, p = 8.14 × 10−2 n.s.F(1,16) = 21.48, p = 2.75 × 10−4***F(1,16) = 5.67, p = 3.00 × 10−2*
OPN5F(1,16) = 17.01, p = 7.96 × 10−4***F(1,16) = 24.79, p = 1.36 × 10−4***F(1,16) = 0.05, p = 8.21 × 10−1 n.s.
  • Additional data relating to these analyses are provided in Extended Data Tables 2-12-3.

  • Nonsignificant p-values are indicated by “n.s.,” p-values <0.05 are indicated by “*,” <0.01 by “**,” and <0.001 by “***.”