title: Peritoneoscopy via a chronically implanted cannula to observe ovarian activity in ewes.
mesh_terms: D000818:Animals; D002417:Cattle / Q000502:physiology*; D002582:Cervix Mucus; D004971:Estrus; D005260:Female; D007440:Intubation / Q000662:veterinary*; D010535:Laparoscopy / Q000662:veterinary; D008722:Methods; D010053:Ovary / Q000502:physiology*; D010060:Ovulation; D011247:Pregnancy