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. 2020 Jan 24;99(2):1163–1173. doi: 10.1016/j.psj.2019.12.028

Figure 4.

Figure 4

Pituitary gene expression of gonadotropin releasing hormone receptor (GNRHR), gonadotropin inhibitory hormone receptors 1 and 2 (GNIHR1 and GNIHR2), luteinizing hormone beta-subunit (LHB), follicle stimulating hormone beta-subunit (FSHB), common alpha-subunit (CGA), progesterone receptor (PGR), and estrogen receptor 1 (ESR1) in low egg producing hens (LEPH) and high egg producing hens (HEPH) sampled outside (basal) and inside (surge) of the preovulatory surge (PS). Normalized data are presented relative to LEPH basal expression for each gene. Significant expression differences denoted with an asterisk (*P ≤ 0.05, **P ≤ 0.01, and ***P ≤ 0.001). Solid lines indicate a significant difference between LEPH and HEPH for a given condition, whereas dotted lines indicate a significant difference between basal and surge for a given egg production level.