Page 12 - Ngaputahi 2021 Catalogue eBook

A BRIEF DESCRIP TION
A BRIEF DESCRIPTION OF EBVs
Calving Ease Direct (%)
Calving Ease Daughters (%)
Gestation Length (days)
Birth Weight (kg)
200 Day Growth (kg)
400 Day Growth (kg)
600 Day Growth (kg)
Mature Cow Weight (kg)
Milk (kg)
Days to Calving (days)
Scrotal Size (cm)
Carcase Weight (kg)
Eye Muscle Are (cm2)
Rib Fat (mm)
Rump Fat (mm)
Retail Beef Yield (%)
Intramuscular Fat (%)
Self Replacing Index ($)
AngusPure Index ($)
Heifer Dairy Terminal Index ($)
10
OF EB V s
BIRTH
Genetic differences in the ability of a sire’s calves to be Higher EBV’s indicate fewer calving difficulties in 2 year
born unassisted from 2 year old heifers. old heifers.
Genetic differences in the ability of a sire’s daughters Higher EBV’s indicate fewer calving difficulties in 2 year
to calve unassisted at 2 years of age.
old heifers.
Genetic differences between animals in the length of
time from the date of conception to the birth of the Lower EBV’s indicate shorter gestation length.
calf.
Genetic differences between animals in calf weight at Lower EBV’s indicate lighter birth weight.
birth.
GROWTH
Genetic differences between animals in live weight at Higher EBV’s indicate heavier live weight.
200 days of age due to genetics for growth
Genetic differences between animals in live weight at Higher EBV’s indicate heavier live weight.
400 days of age.
Genetic differences between animals in live weight at Higher EBV’s indicate heavier live weight.
600 days of age.
Genetic differences between animals in live weight of Higher EBV’s indicate heavier live weight.
cows at 5 years of age.
Genetic differences between animals in live weight at
200 days of age due to the maternal contribution of its Higher EBV’s indicate heavier live weight.
dam.
FERTILITY
Genetic differences between animals in the time from
the start of joining period (i.e. when the female is Lower EBV’s indicate shorter time to calving.
introduced to a bull) until subsequent calving.
Genetic differences between animals in scrotal Higher EBV’s indicate larger scrotal circumference.
circumference at 400 days of age.
CARCASE
Genetic differences between animals in hot standard Higher EBV’s indicate heavier carcase weight.
carcase weight at 750 days of age.
Genetic differences between animals in eye muscle Higher EBV’s indicate larger eye muscle area.
area at the 12/13th rib site in a 400kg carcase.
Genetic differences between animals in fat depth at the Higher EBV’s indicate more fat.
12/13th rib site in a 400kg carcase.
Genetic differences between animals in fat depth at the Higher EBV’s indicate more fat.
P8 rump site in a 400kg carcase.
Genetic differences between animals in boned out Higher EBV’s indicate higher yield
saleable meat from a 400kg carcase.
Genetic differences between animals in intramuscular Higher EBV’s indicate more intramuscular fat.
fat(marbling) at the 12/13th rib site in a 400kg carcase.
SELECTION INDEXES
Genetic differences between animals in net profitablity
per cow joined in a typical commercial self replacing Higher selection index values indicate greater
profitability.
herd using Angus bulls.
Genetic differences between animals in net profitability
per cow joined in a commercial self replacing herd Higher selection index values indicate greater
profitability.
targeting premium grassfed prime beef programs.
Genetic differences between animals in net profitabil-
ity per female joined in an example herd where all
progeny are marketed. All progeny are marketed at Higher selection index values indicate greater
approximately 510 kg live weight at approximately 24 profitability.
months of age.
Vision Integrity Passion 2021 Ngaputahi Angus Bull Sale