Interbeef Guidelines
Table 6: List of abbreviations used in Interbull files and documentation
|
Type |
Abbreviation |
Meaning |
1 |
General concepts |
AI |
Artificial Insemination |
ET |
Embryo Transfer |
||
Kg |
Kilogram |
||
MGS |
Maternal Grandsire |
||
NS |
Natural Service |
||
Ib |
Pounds |
||
2 |
Genetic evaluation methods |
AM |
Animal Model |
BLUP |
Best Linear Unbiased Prediction |
||
FR |
Fixed Regression |
||
MT |
Multiple Traits |
||
RR |
Random Regression |
||
RP |
Repeatability (model) |
||
REML |
Rextricted Maximum Likelihood |
||
ST |
Single Trait |
||
SM |
Sire Model |
||
3 |
Estimates, values |
BW |
Breeding Worth |
c |
environmental correlation between records within sub-classes |
||
EBV |
Estimated Breeding Value |
||
ETA |
Estimated Transmitting Ability |
||
EPD |
Expected Progeny Difference |
||
ME |
mature Equivalent, records are adjusted to mature cow yield basis |
||
PD |
Predicted Difference |
||
PTA |
Predicted Transmitting Ability |
||
RBV |
Relative Breeding Value |
||
REL |
Reliability/Repeatability of a sire proof, given either in the scale between 0 and 1 or as percenta |
||
SD |
Standard Deviation |
||
SE |
Standard Error |
||
TMI |
Total Merit Index |
||
VAR |
Variance |
||
4 |
Population parameters |
rg |
Genetic correlation |
rp |
Phenotypic correlation |
||
h2 |
Heritability of a trait |
||
t |
Repeatability of trait |
||
5 |
Traits of Interest |
aww |
Adjusted weaning weight |
bwt |
Birth Weight |
||
cae |
Calving Ease |
||
stb |
Stillbirth |
||
afc |
Age first service |
||
cai |
Calving interval |
||
nca |
Number of calvings |
||
pli |
Productive Life |
||
cco |
Carcass conformation score |
||
cdg |
Carcass daily gain |
||
cfa |
Carcass fat score |
||
cwe |
Carcass weight |
||
age |
Age at slaughter |
||
6 |
Type of effect |
X |
Covariable (expressed as a numerical variable in a continuous scale) |
F |
Fixed effect (class variable) |
||
R |
Random effect |
||
C |
Descriptive variable relative to the calf (calving traits), not to be included in the model |
||
7 |
Model definition |
CG |
Contemporary group, comparison group |
Y |
Dependent variable |
||
HYS |
Herd-Year-Season |
||
HY |
Herd-Year |
||
DAM |
Maternal genetic effect |
||
MPE |
Maternal Permanent Environmental Effect |
||
PEV |
Permanent Environmental Effect |
||
8 |
Environmental effects |
AACA |
Age at calving |
AAWG |
Age at weighting |
||
AAEV |
Age at evaluation |
||
ASEX |
Sex of the animal |
||
AASL |
Age at slaughter |
||
AAS2 |
Age at slaughter polynomial second degree |
||
BIRW |
Birth weight |
||
BRCM |
Breed composition |
||
CLAS |
Classifier |
||
CSEX |
Sex of calf |
||
DTSL |
Date of slaughter |
||
HERD |
Herd (renumbered) |
||
PAAC |
Parity * Age at calving |
||
PARI |
Parity |
||
SEAS |
Season |
||
SLAH |
Slaughter house |
||
TWIN |
Twinning |
||
YEAR |
Calendar year |
||
YSEA |
Year-Season |
||
INDS |
Individual Situation (general conditions during performance's collection) |
||
9 |
Calf descriptive variables |
CASI |
Sire of the calf |
CSEX |
Sex of the calf |
||
CABI |
Calf birthdate |
||
CAID |
Calf ID |