title: Induction of maternal behavior and some hormonal and physiological correlates in the domestic hen.
abstract: The manifestation of maternal behavior and the variations of plasmatic levels of gonadic hormones (testosterone, delta 4-androstenedione, and 17 beta-estradiol) have been studied in two groups of domestic hens (layers and nonlayers) during a forced adoption experiment. Maternal behavior appears later in actively laying hens than in nonlayers. The former hens show a higher level of androgens (T and delta 4). The appearance of typical maternal behavior coincides with a pause in laying and a decrease in all the plasmatic steroid levels measured.
mesh_terms: D000735:Androstenedione / Q000097:blood*; D000818:Animals; D002645:Chickens / Q000502:physiology*; D004958:Estradiol / Q000097:blood*; D005260:Female; D008425:Maternal Behavior; D010063:Ovum / Q000502:physiology; D013739:Testosterone / Q000097:blood*
chemical_list: D013739:Testosterone; D000735:Androstenedione; D004958:Estradiol