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Research Article

Open Vet J. 2024; 14(2): 707-715


Fertility testing of preserved epididymal sperm by microinjection: A model for the rescue and utilization of genetically superior animals

Sigit Prastowo, Rini Widyastuti, Jaswandi Jaswandi, Arief Boediono.




Abstract
Cited by 0 Articles

Background:
Epididymal sperm preservation is a simple conservation approach that can help prevent the loss of high genetic quality of farm animals. The chance of loss increases, especially during disease outbreaks or other interruptions to normal reproduction function.
Aim:
This study looked into the ability of preserved ram epididymal sperm to fertilize oocytes. Due to motility becoming an issue following sperm storage for fertilization, the sperm micro injection of known as intracytoplasmic sperm injection (ICSI) approach was employed.
Methods:
The study was divided into two parts. First, involved preservation of epididymal sperm at 5°C for 12 days. During preservation, sperm quality parameters namely motility, viability, intact membrane, acrosome, and DNA are evaluated every three days. For fertility test in the second experiment, matured oocytes were injected with immotile sperm discovered in the last days of preservation. The presence of pronucleus development following in vitro culture is used as an indicator of sperm ability to activate and fertilize oocytes.
Results:
All sperm quality parameters significantly (p

Key words: Epididymal sperm, Genetic rescue, Sperm microinjection, Sperm preservation






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