United States Department of Agriculture: Agricultural Research Service, Lincoln, Nebraska
Roman L. Hruska U.S. Meat Animal Research Center: Reports
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Date of this Version
1993
Document Type
Article
Abstract
The mechanisms that control follicular development, oocyte maturation and ovulation, are complex and poorly understood in farm animals. Superovulation via gonadotrophin stimulation of the ovaries provides a model to study follicular development and ovulation and the endocrine interactions at the follicle level. This study focused on the importance of luteinizing hormone (LH) in follicular development, hormonal secretion, and ovulation. The objectives of this study were to describe differences in follicular development, hormonal secretion, and oocyte quality in superovulated heifers that exhibited a normal LH surge, no LH surge, and in which the LH surge was suppressed with a progestin implant.
Comments
Published in Beef Research Program Progress Report (1993) No. 4 (Part 1): 99-101