Related Experiment Video
Updated: May 20, 2026
04:30
Ovarian Tissue Culture to Visualize Phenomena in Mouse Ovary
Published on: June 19, 2018
Nutritional influences on folliculogenesis
J H Hernandez-Medrano1, B K Campbell, R Webb
1Department of Obstetrics and Gynaecology, School of Clinical Sciences, The University of Nottingham, Queen's Medical Centre, Nottingham, UK.
Reproduction in Domestic Animals = Zuchthygiene
|July 26, 2012
Summary
Nutrition significantly impacts female ruminant reproductive function by influencing folliculogenesis, from early development to oocyte quality. Understanding these nutritional effects offers new strategies to improve pregnancy rates.
Area of Science:
- Reproductive biology and endocrinology.
- Animal science and veterinary medicine.
Background:
- Folliculogenesis involves complex cellular proliferation and differentiation, regulated by systemic and local factors.
- Follicular development in domestic ruminants starts in fetal life and progresses through distinct stages.
- Reproductive success is influenced by internal and external environmental factors, with nutrition being a key external factor.
Purpose of the Study:
- To review the critical role of nutrition in influencing folliculogenesis from fetal to adult stages in domestic ruminants.
- To highlight how nutritional interventions can impact reproductive outcomes by modulating follicle development and oocyte quality.
Main Methods:
- Literature review focusing on studies investigating the effects of nutrition on folliculogenesis.
- Analysis of research on nutritional impacts on follicular growth, estrous activity, oocyte quality, and pregnancy outcomes.
Main Results:
- Nutrition exerts both positive and negative effects on follicular growth and development.
- Nutritional status influences oocyte quality, blastocyst development, and overall pregnancy success.
- Specific nutritional factors can modulate key stages of folliculogenesis, impacting reproductive potential.
Conclusions:
- Nutrition is a crucial determinant of folliculogenesis and reproductive efficiency in ruminants.
- Optimizing nutrition presents a viable strategy for enhancing follicle development and oocyte quality, thereby improving pregnancy rates.
- Further research into nutritional influences on folliculogenesis can lead to improved livestock reproductive management.
More Related Videos
Related Concept Videos
01:20Folliculogenesis
Folliculogenesis is the development of ovarian follicles, the specialized structures within the ovarian cortex where oogenesis, or egg development, occurs. This process is essential for female reproductive health and begins during fetal development when primordial follicles are formed. Each primordial follicle comprises a primary oocyte in the center, surrounded by a single layer of squamous pre-granulosa cells. These follicles remain dormant in late prophase I of meiosis until triggered by...
01:30Hormonal Control of the Ovarian Cycle
The ovarian cycle is meticulously regulated by the hypothalamic-pituitary-gonadal axis. This cycle orchestrates the release of a mature oocyte, essential for reproduction.
Before puberty, the hypothalamus releases GnRH in a low frequency, low amplitude pulsatile manner. This along with the immature hypothalamic-pituitary-gonadal axis activity, results in low estrogen levels and the absence of a fully functional ovarian cycle. At puberty, GnRH secretion increases in both frequency and...
Before puberty, the hypothalamus releases GnRH in a low frequency, low amplitude pulsatile manner. This along with the immature hypothalamic-pituitary-gonadal axis activity, results in low estrogen levels and the absence of a fully functional ovarian cycle. At puberty, GnRH secretion increases in both frequency and...
01:22Hormonal Regulation of the Menstrual Cycle
The ovarian cycle regulates endometrial changes throughout a single menstrual cycle via the coordinated action of gonadotrophin-releasing hormone (GnRH) and gonadotrophins.
At puberty, GnRH begins a pulsatile release pattern, which triggers the anterior pituitary gland to secrete follicle-stimulating hormone (FSH) and luteinizing hormone (LH). The frequency and amplitude of GnRH pulses vary across the menstrual cycle, with faster pulses favoring LH release and slower pulses favoring FSH release.
At puberty, GnRH begins a pulsatile release pattern, which triggers the anterior pituitary gland to secrete follicle-stimulating hormone (FSH) and luteinizing hormone (LH). The frequency and amplitude of GnRH pulses vary across the menstrual cycle, with faster pulses favoring LH release and slower pulses favoring FSH release.
01:22Oogenesis
Oogenesis, the process of developing egg cells (female gametes), occurs within the ovaries and is fundamental to female fertility. This sequence begins during fetal development when diploid oogonia in the developing ovaries undergo mitotic divisions to produce primary oocytes. By birth, these primary oocytes enter prophase I of meiosis but become arrested in this stage, remaining suspended until puberty.
Each primary oocyte is surrounded by a layer of pre-granulosa cells, forming what is known...
Each primary oocyte is surrounded by a layer of pre-granulosa cells, forming what is known...
02:07Oogenesis
In human women, oogenesis produces one mature egg cell or ovum for every precursor cell that enters meiosis. This process differs in two unique ways from the equivalent procedure of spermatogenesis in males. First, meiotic divisions during oogenesis are asymmetric, meaning that a large oocyte (containing most of the cytoplasm) and minor polar body are produced as a result of meiosis I, and again following meiosis II. Since only oocytes will go on to form embryos if fertilized, this unequal...
01:26Testosterone: Functions and Regulation
The intricate hormonal interplay essential for male reproductive health begins with the release of gonadotropin-releasing hormone (GnRH) by the hypothalamus. This hormone prompts the pituitary gland to secrete follicle-stimulating hormone (FSH) and luteinizing hormone (LH). LH targets the Leydig cells in the testes, stimulating them to produce and release testosterone. In concert with testosterone, FSH acts on the Sertoli cells within the seminiferous tubules to facilitate the release of...