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Table 3 E 2 , leptin, T 3 , T 4 hormone levels and the ratio of T 3 /T 4 in serum of LL and SL hens

From: Sexual maturation in hens is not associated with increases in serum leptin and the expression of leptin receptor mRNA in hypothalamus

  D112 D136
Parameters LL SL LL SL
E2 (ng/ml) 248.08 ± 19.76a 281.76 ± 18.53a 334.20 ± 12.25b 357.35 ± 9.04b
Leptin (ng/ml) 1.51 ± 0.07a 1.27 ± 0.08b 1.03 ± 0.05c 1.14 ± 0.07bc
T3 (ng/mL) 4.04 ± 0.30ab 4.52 ± 0.41a 1.62 ± 0.12c 3.42 ± 0.42b
T4 (ng/mL) 37.61 ± 1.15a 34.15 ± 1.95ab 30.96 ± 1.18b 36.14 ± 1.26ab
  1. Values are means ± S.E.M. LL long-light group, SL short-light group.
  2. Values in the same experiment bearing different superscripts (a, b, c) are significantly different (P < 0.05, n = 10).