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Table 1 Blood serum testosterone concentrations and sperm quality and quantity parameters during the trial

From: Effect of active immunization against GnRH on testosterone concentration, libido and sperm quality in mature AI boars

Variables Periods
Controla Ib IIc IIId
Testosterone, ng/ml 3.47 ± 1.62b,c,d 5.05 ± 2.34a,c,d 1.35 ± 1.02a,b,c 0.25 ± 0.17a,b
Libido, points 8.00 ± 0.00b,c,d 10.00 ± 0.0a,c,d 8.65 ± 0.56a,b,d 5.00 ± 2.04a,b,c
Sperm motility, % 55.74 ± 12.07 51.67 ± 14.24 56.94 ± 8.89d 48.33 ± 15.72c
Volume of ejaculate, ml 190.19 ± 84.69c,d 192.06 ± 56.65c,d 156.11 ± 51.25a,b,d 105.17 ± 34.75a,b,c
Concentration, 109ejaculate 19.65 ± 9.27c 23.70 ± 8.77 27.67 ± 16.35a 24.57 ± 10.37
Total amount of abnormal spermatozoa 35.41 ± 26.24d 32.67 ± 24.28d 42.17 ± 23.55d 73.29 ± 26.01a,b,c
  1. a, b, c, d, Means with different superscript in columns are significantly different (p < 0.05). Data presented as mean ± SD.