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Table 1 Number of records analyzed for each female fertility trait in three cattle breeds

From: Validation of associations for female fertility traits in Nordic Holstein, Nordic Red and Jersey dairy cattle

Trait1 Nordic Holstein Nordic Red Jersey
AISC 3,380 4,629 1,127
AISH 3,465 4,436 1,147
ICF 3,384 4,613 1,132
IFLC 3,394 4,637 1,135
IFLH 3,464 4,432 1,145
NRRC 3,394 4,636 1,133
NRRH 3,465 4,437 1,148
FTI 3,475 4,719 1,156
  1. 1AIS: number of inseminations per conception, NRR: 56-day non-return rate, IFL: days from first to last insemination, ICF: length in days of the interval from calving to first insemination, FTI: fertility index. C and H denote whether the trait has been measured in cows or heifers, respectively.