AMERICAN ANGUS ASSOCIATION - THE BUSINESS BREED

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Angus National Cattle Evaluation Fall 2017

Angus Trait Heritabilities (on-diagonal) and Genetic Correlations (upper off-diagonals)
Trait CED BW WW PG DMI YH SC Doc HP CEM Milk MW MH YW UFAT UIMF UREA FAT MARB REA CW
Calving ease direct (CED) .191 -.652






-.06










Birth weight direct(BW)
.46 .29 .29
















Weaning direct (WW)

.28 .48 .48







.87 .12
.34 .09
.27 .65
Post-Weaning gain (PG)


.27 .57 .50 .28













Dry-matter intake (DMI)



.33















Yearling height (YH)




.51














Scrotal circumference (SC)





.48













Docility (Doc)






.44












Heifer pregnancy (HP)







.15











Calving ease maternal (CEM)








.20










Maternal milk









.12









Mature weight (MW)










.37 .76







Mature height (MH)











.62







Yearling Weight (YW)












.42 .07
.33 -.07
.35 .75
Ultrasound Fat (UFAT)













.46
.00 .65
-.35 -.10
Ultrasound % Intramuscular Fat (UIMF)














.41

.71

Ultrasound Ribeye Area (UREA)















.39 -.10
.65 .28
Fat thickness (FAT)
















.33
-.34 .10
Marbling (MARB)

















.48

Rib-eye area (REA)


















.32 .46
Carcass weight (CW)



















.44
1Heritability estimates are on the diagonal.
2Upper off-diagonals are genetic correlations among traits.