Table 2 Description of the data set for heifer rebreeding (HR), post-natal mortality (PNM) and stayability (STAY) of Nellore animals.

From: Identification of candidate lethal haplotypes and genomic association with post-natal mortality and reproductive traits in Nellore cattle

Description

Traits

HR

PNM

STAY

Nº of animals in the pedigree

1,348,163

566,364

1,348,163

Nº of animals with record

178,152

389,566

137,620

Nº of contemporary group

8,831

13,626

6,815

Mean cow age (months)

33.82 ± 3.84

60.14 ± 25.42

–

Frequency* (%)

59.34

2.12

47.38

  1. *Success for HR is defined by to females that presented a second calf; for STAY to cows with at least three calving's up 76 months; for PNM represents the percentage of dead calves.
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