Across-sex genomic-assisted genetic correlations for sex-influenced traits in Brahman cattle

Table 1 Description of traits, number of records (N), means ± standard deviations, and fixed effects included in the models for the analysis of 20 growth and reproductive traits, 10 for females and 10 for males, in a population of Brahman cattle

Trait	Description	Summary statistics		Fixed effect^a
Trait	Description	N	Mean	CG	BATCH	AOD	AGE
ACL	Age at detection of the first corpus luteum (d)	980	750.65 ± 141.80	x
AGE26	Age at estimated scrotal circumference of 26 cm (d)	1044	554.92 ± 101.11	x
DC1	Days-to-calving at first calving opportunity (d)	995	345.41 ± 48.49	x
DC5	Days-to-calving averaged for 5 breeding opportunities (d)	794	344.37 ± 19.23	x
IGF1b	Bulls’ blood concentration of IGF1 at 6 mo of age (ng/mL)	1051	544.57 ± 325.25	x	x	x
IGF1c	Cows’ blood concentration of IGF1 at 18 mo of age	995	191.33 ± 89.30	x			x
IN4	Blood concentration of IN4 at 4 mo of age (ng/mL)	786	7.36 ± 1.92	x
EMAb	Bulls’ eye muscle area at 24 mo of age (cm²)	1097	61.69 ± 7.95	x		x
EMAc	Cows’ eye muscle area at adult age (cm²)	920	46.34 ± 7.49	x
HHb	Bulls’ hip height at yearling (cm)	1097	140.95 ± 4.49	x		x
HHc	Cows’ hip height at adult age (cm)	914	127.84 ± 4.59	x
AWTb	Bulls’ body weight at adult age (kg)	1116	499.54 ± 52.48	x		x	x
AWTc	Cows’ body weight at adult age (kg)	923	308.72 ± 38.67	x			x
PNS24	Percent normal sperm at 24 mo of age (%)	964	73.55 ± 22.06	x
PPAI	Post-partum anoestrus interval (d)	618	180.37 ± 109.05	x
SC12	Scrotal circumference at 12 mo of age (cm)	1112	21.24 ± 2.72	x			x
BCSb	Bulls’ body condition score at yearling (1–10)	1116	6.70 ± 0.50	x
BCSc	Cows’ body condition score at yearling (1–10)	995	8.01 ± 0.86	x
YWTb	Bulls’ body weight at yearling (kg)	1116	243.70 ± 29.18	x		x	x
YWTc	Cows’ body weight at yearling (kg)	995	209.75 ± 30.54	x			x

^aCG = contemporary group; BATCH = laboratory assay batch; AOD = age of dam; AGE = age of animal at measurement; mo: month

ISSN: 1297-9686