AU - Eftekhari, Hamideh AU - Haeri Rowhani, Ali AU - Babapour, Vahab AU - Parivar, Kazem AU - Ranjbar Omrani, Gholamhossein TI - Effect of pheromones on the plasma level of prolactin during pregnancy and lactating periods in female rat PT - JOURNAL ARTICLE TA - Physiol-Pharmacol JN - Physiol-Pharmacol VO - 11 VI - 2 IP - 2 4099 - http://ppj.phypha.ir/article-1-421-en.html 4100 - http://ppj.phypha.ir/article-1-421-en.pdf SO - Physiol-Pharmacol 2 ABĀ  - Introduction: Pheromones play a great role in the reproductive and social behavior of animals. The main sources of pheromones are urine and paracrine secretions. Through the neuroendocrine system, prolactin is a safe parameter to measure and compare the effects of pheromones on the sexual, maternal and also lactating behavior. Methods: Female rats were divided into 19 groups (n=8). To measure the plasma prolactin levels of rats, blood samples were collected and tested with prolactin RIA kits. Effects of sexual pheromones in the lactating period (3rd, 6th, 9th and 16th days after delivery), pregnancy priod (7th, 14th and 20th days) and lactating period (6th, 9th and 16th post-delivery days) on plasma prolactin level were surveyed. The effects of sexual pheromones on the plasma level of Prolactin were determined using a special cage without any sensory stimulation interferences, such as visual, auditory and tactile senses. Results: Data showed a significant decline in plasma levels of prolactin following sexual pheromones administration (p CP - IRAN IN - Dept. of Physiology, Veterinary Faculty of Tehran University, Tehran, Iran LG - eng PB - Physiol-Pharmacol PG - 107 PT - Experimental research article YR - 2007