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Table 5 Spermatogenic cell measurements in B. altianalis. Data are shown as mean ± SD

From: Optimizing selection of sexually mature Barbus altianalis for induced spawning: determination of size at sexual maturity of populations from Lake Edward and Upper Victoria Nile in Uganda

Cell type Lake Edward (μm) Upper Victoria Nile (μm) Average size for both water bodies t-test (p = 0.05)
Spermatozoa Cell size 2.09 ± 0.23a 2.12 ± 0.23a 2.10 ± 0.23 t403 = -1.08
Spermatids Cell size 2.31 ± 0.33a 2.78 ± 0.60b 2.49 ± 0.51 t211.57 = -8.914
Secondary spermatocyte Cell size 3.14 ± 0.45a 4.13 ± 0.93b 3.57 ± 0.86 t293.07 = -14.66
Primary spermatocyte Cell size 4.76 ± 0.62a 5.47 ± 0.82b 5.00 ± 0.78 t237.74 = -9.21
Secondary spermatogonia Cell size 7.90 ± 1.55a 8.63 ± 2.35b 8.28 ± 2.03 t328 = -3.495
Nucleus 6.12 ± 1.12a 7.09 ± 1.65b 6.61 ± 1.50 t371 = -6.720
Primary spermatogonia Cell size 12.44 ± 1.53a 13.97 ± 1.71b 13.26 ± 1.26 t393.08 = -9.55
Nucleus 8.48 ± 1.17a 10.40 ± 1.78b 9.51 ± 1.82 t371.73 = -12.72
  1. Different subscripts a, b across rows indicate significant differences