Beef - Slides 2 Flashcards

1
Q

What is the primary objective of growth and carcass development in cattle?

A

High lean tissue, minimal bone, market-suitable fat

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Growth rate in cattle is linear until they reach:

A

Mature size

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Which breed generally shows higher growth rates in cattle?

A

Charolais

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What factor significantly influences growth rates in cattle?

A

Level of feeding

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What is compensatory growth in cattle?

A

Faster growth following a period of restriction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Energy intake in cattle is directed first towards:

A

Bone growth

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

In carcass development, which tissue reaches maximum growth first?

A

Bone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Fat is deposited in the carcass in which order?

A

Kidney, intermuscular, subcutaneous, intramuscular

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Intramuscular fat is important because it

A

Enhances meat quality

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Which muscle group in cattle is last to mature?

A

Abdominal wall muscle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What does the kill out % typically be between

A

50-60%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

how do you calculate the kill out %

A

Cold carcass weight/unfasted final weight x 100%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Three main categories of linear scale system

A

Muscularity, Skeletal functional capacity (correctness), and fatness

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Scoring at weaning is almost as effective as scoring when

A

At slaughter

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

A genetic correlation closer to 1 means what

A

Better association to breeding

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

The European Union Beef Classification was introduced in

A

1982

16
Q

The European Union Beef Classification has how many function’s

A

2 (1. it provides a common beef classification system for producers (farmers), processors (meat plants) and retailers across the EU
2. It acts as the basis for payment for different carcass types)

17
Q

Mandatory Beef Carcass Classification criteria is?

A

Cold carcass weight, sex, conformation, fatness

18
Q

An example of a grade E conformation class

A

Is an exceptional double muscle-type bullock

19
Q

An example of a grade U conformation class

A

Is a good continental bullock

20
Q

An example of a grade R conformation class

A

Includes the better Friesian and Hereford crosses

21
Q

An example of a grade O conformation class

A

Includes the bulk of Irish Friesian cattle

22
Q

An example of a grade P conformation class

A

Poorly shaped bullocks and cows or underfished cattle and cows

23
Q

Fat class describes what?

A

The amount of fat in the outside of the carcass and in the thoracic cavity

24
Q

If meat is decreased then

A

fat and bone is increases

24
Q

If meat increased then

A

fat and bone decreases

25
Q

What is the average carcass weight of Irish steers

A

338.3kg

25
Q

Fat Description is on a scale from what

A

1-5, 1 being the low fat 5 being loads of fat

26
Q

What influences conformation

A

Breed, Sex, Slaughter weight, Nutritional level

27
Q

How many meat cuts from the hind quarter

A

13 meat cuts (fillet, strip, loin, cube roll)

28
Q

carcass weight is what

A

sum of wholesale values of individual meat and cuts & lean trim with a small deduction for bone

28
Q

How many meat cuts from the forequarter

A

11

28
Q

What grading system to Australia use

A

PACCP approach

28
Q

How is the carcass graded in the US

A

On yield and quality