passages.id: split_5_test_2053_passage
passages.type: progene_text
passages.text: It is obvious that the decrease in the mean percentage of spermatozoa with intact acrosome was significantly higher when using HSPM in comparison with TYB , not only for G1 ( - 14.9 +/- 1.9 % versus - 11.8 +/- 1.4 % ) but also for G2 samples ( - 13.8 +/- 1.5 % versus - 11.9 +/- 1.3 % ) .