The effect of sperm concentrations durin
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Nishimura, H. ;Niwa, K. ;Miyake, M. ;Iritani, A.
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Article
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1982
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John Wiley and Sons
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English
β 298 KB
π 2 views
## Abstract Rat epididymal spermatozoa, at a concentration of 40β65 Γ 10^4^ cells/ml, were preincubated for 5β5.5 hr and then added to eggs from superovuβlated, immature rats. By 10β12 hr after insemination, 86% of the eggs had undergone fertilization, but many of them (41%) were polyspermic. When