Wool Grades, Breeds, and Processing Techniques: A Comprehensive Study Guide

Fine spin count

64/70

1/2 blood spin count

60/62

3/8 blood spin count

56/58

1/4 blood spin count

50/54

Low 1/4 spin count

46/48

Microns ______ as the move down the grading (the lower the blood grade)

Increase

Avg yield for fines

48-52

Avg yield for 1/2 blood

52-54

Avg yield for 3/8

58%

Avg yield for 1/4

64%

Avg yield of low 1/4

64%

Merino is known for

The Golden Fleece, extremely fine, wrinkles

Rabouliett is from

France defended from merino

Rambouillet is the

Predominant range ewe

Most wool in the world is sent to

China

Wool is used in the

Military bc it's flame resistant

Columbia was developed in the ___ from the

US, from Lincoln

Lincoln has very ____ wool and is ____ bodied

Beautiful, large

Targhee was developed in ___ from____

Us, Rambouillet, Lincoln, corridale

Corridale is known for its

Character, color, crimp, condition

Gregarious means

They stay together

Targhee wool is what color

Bright white

Corridale is a cross between

Lincoln and merino

Delaine Merino were known as

Tar backs because of high amount of lanolin

Cormo is a cross between

Merino ewes and corridale rams

How many times do you shear an angora goat

Twice a year

How much hair does an angora grow

An inch/month

Staple length for fine

3.00 +

Staple length for 1/2

3.25+

3/8 staple length

3.5+

1/4 staple lenght

4+inch

Low 1/4 Staple Length

4+

Lower than low 1/4 staple

5.00 +

Fine French combing length

3-2

Breaks in wool is caused by

Fever or poor nutrition

1/2 French Combing Length

3.25-2.25

Short pieces that come out during combing

Noils

4 contaminants

Kemp, polypropylene, paint, colored wool

Which part of the sheep is sheared first and why

The belly because of a high concentration of dirt, grease and contaminants

What is the difference between the worsted and woolen sytsem?

Worsted wool is worn next to skin and goes through the combing process to create top

How many yards are in one hank

560

How big is a micron

1/25000 of an inch

yield is influenced by

dirt and grease

what do the number of teeth on the comb of shears determine

how close the cut is and how fast you can go

What is the industry average for number of teeth on comb

13

What happens if a comb has more teeth?

They will gum up quicker.

What is the effect of more teeth on a comb regarding the cut?

There will be a closer cut.

How does having more teeth on a comb affect the likelihood of getting cut?

They are less likely to get cut.

What is a necessary adjustment when using a comb with more teeth? (speed)

Must go slower.

if a comb has less teeth they can (speed)

go faster

the cut is ... when the comb has less teeth

longer and has a higher likelihood of getting cut

what is a cutter

the peice that moves back and forth to cut wool

what is the distance between the card and cutter called

the lead

what direction must you go when shearing over wrinkles

crossways