PPT-Animal Science 434 The Follicular Phase of the Estrous Cycle

Tonic and Preovulatory Surge of GnRH Preovulatory GnRH Surge Tonic GnRH Release GnRH pg ml GnRH pg ml Hours Hours Hypothalamus GnRH Anterior Pituitary CL Follicle Ovary LH FSH. Cleveland High School. Mr. Capps. CVHS Animal Science 1. Introduction. Competency. : . 001.00 Investigate agricultural animals in order to build a foundational knowledge for advanced animal science studies. Chapman et al. 1974). This condition may respond to topical anti-bacterial therapy. A generalized sign of poor health is weight loss (check for incisor malocclusion and neoplasms). A rapid, severe we Ovaries produce . estrogen, progesterone. , and are site of oogenesis. Estrogen. : maintenance of the female tracts, 2. o. sex characteristics, ova maturation and release. Oogonia. . divide mitotically . Dr. . Malith Kumarasinghe. MBBS (Colombo). NORMAL MENSTRUAL CYCLE. What . is the mean duration of the MC?. Mean 28 days (only 15% of ♀). Range 21-35. What is the average duration of menses?. 2. To label and identify male and female reproductive anatomy. To describe the structures and functions of male and female reproductive anatomy. To understand the animal reproductive process, including the estrous cycle, ovulation, gestation and parturition. Role of male is to produce and deliver sperm. Role of female is . 1. . Generate . and release fertile ova. 2. Maintain . fertilized ova throughout development. 3. Deliver . newborn. 4. Nourish . Terminology. Estrus is a noun.. The cow is displaying estrus.. Estrous is an adjective.. The length of the estrous cycle is 21 days. . Oestrus and Oestrous. British and European spellings. Estrus and Heat are synonymous. Dr . Ismaiel Abu Mahfouz. Menstruation. Definition. A woman's . monthly bleeding . from the reproductive . tract . induced by hormonal changes . of menstrual . cycle . For menstruation to . occur. Coordinated HPO axis. Dr . Bhavna. Asstt. . Prof. cum Jr. Scientist. Deptt. . Of Veterinary Gynaecology and Obstetrics. follicles. 1. . Primodial. / Primary follicles. 2. Secondary / Growing follicles. 3. Tertiary / Vesicular follicles. Cell Cycle - a cycle of growth, development, and division. This is how organisms grow, produce new cells, and replace old cells. The cell cycle occurs in 2 phases: Interphase and . Mitosis. The Cell Cycle: Interphase. Dr . Bhavna. Assistant Professor cum Junior Scientist. Deptt. . of Veterinary Gynaecology and Obstetrics. Rhythmic sexual behavior patterns develops in female animals on attainment of puberty.. This behavior change i.e. sexual receptivity is called . Mini Review Received: AbstractFollicular cyst is an ovarian dysfunction resulting in reproductive failure in dairy cattle. It is recognized as enlarged anovulatory follicle like structures (< 2.5 cm) Basic and Applied Research (IJSBAR) ISSN 2307(Print & Online)http://gssrr.org/index.php?journal=JournalOfBasicAndApplied 92 The Role of FSH, LH, Estradiol and Progesterone ormone on Estrus Cycle of In simple language this can defined as disease affecting that lead to infertility or sterility. Fertility. : ability of an animal to reproduce . Infertility. : temporary inability of the animal to reproduce .