title: Endocrine and ultrasonographic aspects of the oestrous cycle of the mule.
abstract: The blood serum concentrations of progesterone and estradiol-17beta were measured at various stages of the oestrous cycle of seven female mules, and their reproductive tracts were examined ultrasonographically at the same stages.
authors.affiliation: Department of Clinical Sciences, Section of Clinical Obstetrics, Faculty of Veterinary Medicine, University of Naples Federico II, via F. Delpino 1, 80137 Naples, Italy.
authors.forename: P
authors.initials: P
authors.lastname: Volpe
authors.forename: M
authors.initials: M
authors.lastname: Russo
authors.forename: L
authors.initials: L
authors.lastname: Ianetti
authors.forename: B
authors.initials: B
authors.lastname: Izzo
mesh_terms: D000818:Animals; D002584:Cervix Uteri / Q000000981:diagnostic imaging; D018397:Equidae / Q000033:anatomy & histology / Q000097:blood / Q000502:physiology*; D004958:Estradiol / Q000097:blood*; D004971:Estrus / Q000097:blood / Q000502:physiology*; D004972:Estrus Detection; D005260:Female; D010053:Ovary / Q000000981:diagnostic imaging*; D010060:Ovulation; D010061:Ovulation Detection / Q000662:veterinary; D011374:Progesterone / Q000097:blood*; D014463:Ultrasonography; D014599:Uterus / Q000000981:diagnostic imaging*
chemical_list: D011374:Progesterone; D004958:Estradiol