Heritability in Traits of Livestock

Calving Interval - Beef

0.05

Conformation - Beef

0.25

WW - Beef

0.30

BW, YW, Feed Efficiency, Backfat Thickness - Beef

0.40

Scrotal Circumference, Marbling - Beef

0.50

Ribeye Area - Beef

0.55

Tenderness -  Beef

0.60

MW - Beef

0.65

Calving Interval - Dairy

0.10

Udder Support - Dairy

0.20

Conformation, Milk Yield, Mastitis Resistance - Dairy

0.25

Teat Placement - Dairy 

0.30

Percent Protein - Dairy

0.50

Percent Fat - Dairy

0.55

BW - Dairy

0.60

Number Born Alive, 21-Day Litter Weight - Swine

0.15

Days to 250 lbs 

0.25

Conformation - Swine

0.30

Feed Efficiency - Swine

0.35

Loin Eye Area, Backfat Thickness - Swine

0.50

Number Born, Conformation - Sheep

0.15

60-Day Weaning Weight, Feed Efficiency - Sheep

0.20

Birth Weight - Sheep

0.30

Fleece Grade - Sheep

0.35

Grease Fleece Weight, MW - Sheep

0.40

Staple Length, LEA, Backfat Thickness - Sheep

0.50

Cutting Ability - Equine

0.12

Temperament, Conformation, Pulling Power - Equine

0.25

Run Time (1 mile) - Equine

0.35

Wither Height - Equine

0.40

Trot Time (1 mile), Cannon Bone Circumference - Equine

0.45