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Related Concept Videos

Sperm Structure and Semen Composition01:22

Sperm Structure and Semen Composition

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During ejaculation, males release around 2-5 milliliters of semen, which is a complex mixture of mature sperm and various fluids produced by accessory glands. The mature sperm cells measure approximately 60 micrometers in length and consist of a head, neck, midpiece, and tail. The head is flattened and tapered, measuring about 4 to 5 micrometers in length. It contains a nucleus with condensed chromosomes and an acrosome, a cap-like structure filled with enzymes essential for penetrating the...
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  9. Veterinary Medicine (excl. Urology)
  11. Effect Of Bovine And Human Follicular Fluid On Semen Quality Of Fresh And Frozen-thawed Semen In Dual Purpose Simmental (fleckvieh) Bulls: A New Method Of Adding Follicular Fluid To Bull Semen.
  1. Home
  3. Research Domains
  5. Agricultural, Veterinary And Food Sciences
  7. Veterinary Sciences
  9. Veterinary Medicine (excl. Urology)
  11. Effect Of Bovine And Human Follicular Fluid On Semen Quality Of Fresh And Frozen-thawed Semen In Dual Purpose Simmental (fleckvieh) Bulls: A New Method Of Adding Follicular Fluid To Bull Semen.

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Effect of bovine and human follicular fluid on semen quality of fresh and frozen-thawed semen in dual purpose Simmental (Fleckvieh) bulls: a new method of adding follicular fluid to bull semen.

A Khaki1, A Nourian2, S Alian Samakkhah3

  • 1Department of Clinical Sciences, Faculty of Veterinary Medicine, Amol University of Special Modern Technologies, Amol, Iran.

Iranian Journal of Veterinary Research
|February 10, 2025

View abstract on PubMed

Summary
This summary is machine-generated.
Keywords:
Follicular fluidFreezingSemen qualitySimmental bulls

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Human follicular fluid improved bull semen quality post-freezing, maintaining sperm motility and viability. This suggests potential benefits for cryopreservation of bull sperm using human follicular fluid supplements.

Area of Science:

  • Veterinary Science
  • Reproductive Biology
  • Animal Science

Background:

  • Follicular fluid (FF) is a complex biological medium containing proteins, hormones, and metabolites.
  • Understanding FF composition is crucial for reproductive technologies.

Purpose of the Study:

  • To evaluate the impact of adding human follicular fluid (HFF) and bovine follicular fluid (BFF) to bull semen during cryopreservation.
  • To assess the effects on sperm quality parameters after thawing.

Main Methods:

  • Semen from 12 Simmental bulls was collected and divided into four groups: control, HFF, BFF, and seminal plasma.
  • Sperm quality was assessed in fresh and cryopreserved-thawed semen at multiple time points.

Main Results:

  • HFF addition significantly slowed the decline in sperm motility in cryopreserved semen.
  • HFF also delayed the increase in dead sperm percentage compared to control and BFF groups.

Conclusions:

  • Human follicular fluid demonstrated a superior ability to maintain bull sperm viability and motility post-thaw compared to bovine follicular fluid and control.
  • Further research is warranted to elucidate the specific mechanisms by which HFF influences sperm metabolism during cryopreservation.