Animals 1 Article 1 Competitive Behavior 1 Conditioning (Psychology) 1 Female 1 Histone Demethylases 1 LSD1 protein, rat 1 Long Evans rat 1 Male 1 Oxytocin 1 Paraventricular Hypothalamic Nucleus 1 Rats, Long-Evans 1 Sexual Behavior, Animal 1 Supraoptic Nucleus 1 Vasopressins animal 1 animal cell 1 animal experiment 1 animal tissue 1 antagonists and inhibitors 1 cell count 1 competitive behavior 1 conditioning 1 controlled study 1 copulation 1 cytology 1 drug effect 1 enzyme 1 enzyme inhibition 1 enzyme inhibitor 1