Feed Processing

Question 1

Batch size?

Answer 1

1 ton or more

Question 2

Macro ingredients are added in what units?

Answer 2

100lbs+

Question 3

Microingredients are added in what units?

Answer 3

1-2lbs

Question 4

3 Steps of Processing Feed

Answer 4

1. Reduce Particle Size
2. Mixing
3. Cooking

Question 5

Milling/Grinding

Answer 5

reduces particle size

Question 6

Why do we reduce particle size?

Answer 6

improve nutrient availability and facilitate mixing

Question 7

Types of Grinders

Answer 7

1. Roller Mill
2. Hammer Mill

Question 8

Types of Mixers

Answer 8

1. Ribbon
2. Horizontal
3. Vertical

Question 9

Why is mixing so important?

Answer 9

ensuresequal distribution of nutrients, make every bite the same

Question 10

Cooking Processes

Answer 10

1. Extrusion
2. Stem Flaking

Question 11

Why do we cook some feeds?

Answer 11

again for nutrient availability and handling

Question 12

Most common miller?

Answer 12

roller mill

Question 13

Roller Mill

Answer 13

grain goes through rollers with divots on the surface reducing particle size to size of divot, top to bottom; rollers can be stacked; steam can be added

Question 14

Hammer Mill

Answer 14

feed is beaten by hammers against a screen until the particle size is small enough to go through

Question 15

Ribbon Mixer

Answer 15

paddles/screws/augers move within the mixer to stir feed

Question 16

Are all mixers the same?

Answer 16

heck nah

Question 17

Horizontal Ribbon Mixer

Answer 17

for grain

Question 18

Horizontal TMR Mixer

Answer 18

for wet and/or roughage based diets

Question 19

Vertical TMR Mixers

Answer 19

roughagebased diets; like an upside down kitchenaid

Question 20

Pellet Mill (Extrusion)

Answer 20

steam cooks the starch; hot, wet feed drops in and shoved through a die, then chops off in pieces like the playdoh toy, then feed cools and hardens (pellet, kibble)

Question 21

What % of cost in livestock production goes to feed?

Answer 21

60-75%

Question 22

Quality Assurance

Answer 22

set of activities that ensure quality in processes; govern product development; prevention

Question 23

Quality Control

Answer 23

set of activities that ensure quality in products; finished products; reactive (but still before being released)

Question 24

QA Factors

Answer 24

Ingredients correct? Are the processors working correctly?

Question 25

QC Factors

Answer 25

retain samples with a certain frequency, test storage, complete a feed or TMR (Total Mixed Ration) analysis