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Endocrine And Physiological Responses Of The Female Goat During Three Reproductive Phases, Dana Dean Clark
Endocrine And Physiological Responses Of The Female Goat During Three Reproductive Phases, Dana Dean Clark
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Female Spanish x Dairy cross goats were divided into three reproductive phases--breeding season or cyclic (20), seasonal anestrus (20), and early postpartum (20). Each group of animals was further divided into three treatments--control (10), Gonadotropin Releasing Hormone (GnRH) treated (5), and pituitary Luteinizing Hormone (LH) (5). During each of the above mentioned reproductive phases, the following were measured: progesterone and LH profiles, serum LH levels following GnRH injection, pituitary LH concentration and ovarian responses following GnRH treatment.
Progesterone levels indicative of luteal development were present only in the breeding season. Progesterone levels during the seasonal anestrous and postpartum periods were …