Changes in pituitary FSH concentrations during an ovulatory cycle of the hen.
D000818:Animals; D001681:Biological Assay; D002645:Chickens; D005260:Female; D005640:Follicle Stimulating Hormone / Q000032:analysis*; D010060:Ovulation; D010902:Pituitary Gland / Q000032:analysis*
D005640:Follicle Stimulating Hormone