Page 9 - SevenHills Angus 2021 Catalogue eBook
P. 9
2021 TRANSTASMAN ANGUS
CATTLE EVALUATION EBV TRENDS
Graphs of the Seven Hills herd compared with
Transtasman Angus Cattle Evaluation breed average EBVs
Seven Hills Herd
New Zealand Breed Average
2 Intramuscular Fat EBV (%)
1.5 This is an estimate of the genetic difference in the
percentage of intramuscular fat at the 12/13th rib site in
EBV 1 a 400 kg carcase. Depending on market targets, larger
more positive values are generally more favourable.
0.5
0
00 04 09 14 20
CALVING YEAR
Mature Cow Weight EBV (kg)
90
80 This is based on the cow weight when the calf is
weighed for weaning, adjusted to 5 years of age. This
EBV 70 EBV is an estimate of the genetic difference in cow
weight at 5 years of age and is an indicator of growth
60
at later ages and potential feed maintenance require-
50 ments of the females in the breeding herd. Steer
breeders wishing to grow animals out to a larger
40 weight may also use the Mature Cow Weight EBV.
00 04 09 14 20
CALVING YEAR
AngusPure Index ($)
160
140 Estimates genetic differences between animals in
net profitability per cow joined for a self-replacing
120
INDEX 100 commercial Angus herd, targeting the production of
grass finished steers for the AngusPure programme.
Steers are assumed marketed at 525 kg live weight
80 (280 kg carcase weight and 10 mm fat depth) at 18
months of age with a significant premium paid for
60 marbling.
00 04 09 14 20
CALVING YEAR
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