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Suitability of the intact acrosome method for the prediction of fertility in bovine artificial insemination
  1. IR Cumming
  1. Somerset Cattle Breeding Centre, Ilminster.


The average percentages of sperm with intact acrosomes in eight batches of frozen-thawed semen from each of 17 bulls were compared with the non-return rates to artificial insemination by these bulls achieved over a period of three years. Despite the fact that the bulls could be categorised into three statistically significantly different groups according to their non-return rates, there was no significant correlation between the percentage of intact acrosomes and the non-return rates of the 17 bulls.

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