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  Indian J Med Microbiol
 

Figure 7: Histogram, for four males, of the percentage rat eggs fertilized by 8-10 h postovulation after either one or two ejaculations, or one ejaculation followed by mating with a vasectomized male. The sperm numbers contributed by a second ejaculate clearly favor earlier fertilization.

Figure 7: Histogram, for four males, of the percentage rat eggs fertilized by 8-10 h postovulation after either one or two ejaculations, or one ejaculation followed by mating with a vasectomized male. The sperm numbers contributed by a second ejaculate clearly favor earlier fertilization.