Industry
Maturity
Maturity 2
Maturity 3
Rules for Balancing
100

Beef quality grading was created to separate carcasses based on their what 

What is eating experience 

100

Maturity is an estimate of the blank age of the animal

What is physiological 

100
What is accomplished on the harvest floor by looking at the incisors of the cattle 

What is dentention 

100

This is the vertebrae you evaluate for ossification. 

What is sacral 

100

The overall maturity will be an average of the skeletal and lean maturity if what

there is no more than 40 units difference 

200
There are how many USDA quality grades 

What is 8

200

Each maturity group ranges from 

What is 0-100

200

Two permanent incisors indicates: 

an old carcass 

200

In older carcasses sacral vertebrae become

What is fused. 

200

If they vary by more than 40 degrees, what do you do to the average?

Adjust 10 percent toward skeletal 

300

Palatability of beef and meat is related to the amount of what in the cut

What is marbling 

300

These two maturity grades are considered youthful

What is A and B 

300

What two maturities must be balanced to find over all maturity

what is skeletal and lean maturity 
300

As an animal ages, the lean color becomes

darker

300

Carcasses with what or greater can not be brought back below C00

C15

400

The highest USDA quality grade is what

What is USDA Prime 

400

A Maturity carcasses range from 

9-30 months of age

400

The conversion of cartilage to bone is called

What is ossification 

400

When the lean muscle gets darker, it is because of the levels of what 

myoglobin

400

if skeletal and lean maturity vary by more than how many maturity sores, overall carcass maturity may not vary by more than one full score from the skeletal maturity

2

500

The two most popular eating experiences are USDA Select and what

What is USDA Low Choice 

500

D Maturity Carcasses range from 

What is 72-96 Months of age 

500

Skeletal maturity is found by measuring the ossification of the cartilaginous buttons of the dorsal spinous process of the what 

What is the thoracic vertebra 

500

As an animal gets older, this happens to their ribs 

get wider, flatter, and white 

500

if a carcass has an overall maturity score of B maturity and has Small or Slight marbling, then the carcass should be graded as 

USDA High Standard