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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

public/beef_guidelines_abbreviation_table (last edited 2021-09-22 12:29:50 by SimoneSavoia)