title: Changes of plasma progesterone and testosterone level in chicken (Gallus domesticus) from the first day of life to the beginning of oviposition.
mesh_terms: D000367:Age Factors; D000818:Animals; D000831:Animals, Newborn / Q000097:blood; D002645:Chickens / Q000097:blood*; D005260:Female; D010058:Oviposition; D011374:Progesterone / Q000097:blood*; D013739:Testosterone / Q000097:blood*
chemical_list: D013739:Testosterone; D011374:Progesterone