Effect of Sperm Preparation Methods on In-vitro Fertilization of Goat Oocytes
DOI:
https://doi.org/10.48165/ijvsbt.22.2.14Keywords:
Goat oocytes, In-vitro Fertilization, Percoll, Swim up, Sperm preparation.Abstract
The present study was undertaken to evaluate the effect of different sperm preparation methods, viz., Percoll density gradient, Swim up and Simple Washing by centrifugation, on in-vitro fertilization (IVF) of goat oocytes. Ovaries obtained from slaughtered goats were used to recover cumulus–oocyte complexes (COCs) by the slicing method, and oocytes were graded based on cumulus cell layers and cytoplasmic characteristics. Grade A and B oocytes were selected for in-vitro maturation (IVM) and then subjected to IVF using spermatozoa processed through the three preparation methods. Fertilization efficiency was assessed after in-vitro culture. Among the treatments, percoll density gradient yielded the highest cleavage rate (51.11 ± 3.15%), followed by swim up (45.47 ± 4.27%) and simple washing (38.56 ± 3.98%) (p<0.05). These findings indicate that sperm preparation technique significantly influences IVF outcome in goats, emphasizing the importance of sperm functional quality over numerical sperm recovery.Downloads
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