Page 8 - Catalogue Omagh 2023 Final web file
P. 8
ABBREVIATIONS DEFINITION
gBV - gBVs (estimated breeding values) NZTW index (previously TSO) - New
are expressed in the units the trait is Zealand Terminal Worth is expressed
measured in, and are an estimate of in cents and is an estimate of genetic
the value of the ram’s genetic merit for value for growth (TSG), meat yield (TSM)
the trait and survival (TSS).
gBV Accuracy - Indicates the amount NZMW index (previously DPO) - New
of information used in the prediction of Zealand Maternal Worth is expressed
the eBV. Traits that are more heritable in cents and is an estimate of genetic
and more related to other traits
they are predicted from have higher value for number of lambs born (DPR),
accuracy. lamb survival (DPS), lamb growth +
adult size (DPG+A), meat yield (DPM),
WWT gBV - Weaning weight – “lamb and wool production (DPW).
growth”
Sub-indexes - Economic merit for a
LW8 gBV - Body weight at 8 months of trait affecting farm profit e.g. Wool
age – rates animals for post-weaning (DPW) or Reproduction (DPR)
growth
NZGE - The New Zealand Genetic
FATY gBV - (Whole carcass) Fat yield – Evaluation (NZGE) involves all active
kg per kg of carcass SIL flocks, and non-active flocks that
provide useful information on pedigree
EMA gBV - Eye muscle area
and performance. It objectively
EMAc gBV - Eye muscle area corrected “compares” the performance of various
for carcass weight – a measure of traits – making it a powerful source of
muscularity genetic information for commercial
farmers.
FAT gBV - Weight of fat in carcass
Rank - Ranks represent the position
FD gBV - Fat depth ‘C’
in the flock-birth year cohort of rams
NLB gBV - Number of lambs born present at weaning (for WWT eBV), at
autumn LW (LW8 eBV), at scanning
FW12 gBV - Fleece weight at 12 (meat trait eBVs, NLB eBV & indexes)
months of age and at shearing (FW12 eBV).
8 - OMAGH ANNUAL RAM SALE

