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Table 8 Reproductive performance of Holstein bulls with a high and low MCN of HSFY and ZNF280BY

From: Copy number variations of the extensively amplified Y-linked genes, HSFY and ZNF280BY, in cattle and their association with male reproductive traits in Holstein bulls

Reproductive traits* HSFY ZNF280BY
Low MCN High MCN P value Low MCN High MCN P value
(CN < 203, n = 56) (CN ≥ 203, n = 58) (CN < 223, n = 60) (CN ≥ 223, n = 62)
SC (cm) 40.72 ± 0.44 39.62 ± 0.38 0.063 40.11 ± 0.43 39.81 ± 0.39 0.616
RLSC (%) 101.41 ± 0.99 97.74 ± 0.90 0.008 100.11 ± 0.97 98.24 ± 0.89 0.157
PTM (%) 77.59 ± 0.28 77.62 ± 0.41 0.962 77.51 ± 0.29 77.88 ± 0.38 0.444
IM (%) 34.37 ± 0.27 34.05 ± 0.46 0.540 34.22 ± 0.30 34.15 ± 0.42 0.900
PNS (%) 77.92 ± 1.09 78.38 ± 1.04 0.762 77.18 ± 1.00 79.52 ± 1.02 0.106
PIA (%) 80.34 ± 0.39 80.16 ± 0.44 0.440 80.24 ± 0.36 80.31 ± 0.42 0.891
  1. *See full name in the Methods section.