Ultrasonography of the estrous cycle in female African elephants (Loxodonta africana)

Abstract 10.1002/1098-2361(2000)19:53.3.CO;2-B The endocrinology of the elephant estrous cycle has been well characterized, but little emphasis has been placed on evaluating corresponding changes in the reproductive tract. Ultrasound was used to document changes in reproductive tract morphology throughout the estrous cycle in four cycling female African elephants. During a 7-month period, frequent ultrasound examinations (n […]