Animal Science Chapter 6

What animals do hair fibers come from?

Cattle, pigs, horses, dairy goats

What animals do wool fibers come from?

Sheep

What animals do fur fibers come from?

Mink, non-Angora rabbits

What animals do Angora fibers come from?

Angora rabbits

What animals do Mohair fibers come from?

Angora goats

What 2 factors affect the value of fibers?

Nutrition and breeding

How is the class of wool determined?

Staple length (length of wool fibers)

What are grades of wool determined by?

Spinning count, American grade, and Mircon diameter

What is spinning count?

Higher number= more fine

What is American grade?

Fine, ½ blood, ¼ blood, etc

What are 2 fine wool breeds?

Merino and Rambouillet

What is micron diameter?

Most accurate, lower number= more fine

What are some medium wool breeds?

Columbia, Hampshire, Suffolk, Dorset.

What kind of breed have coarse wool?

Cotswold Lincoln

What is greasy wool?

Fleece shorn once each year from sheep

What is scoured wool?

Washed and rinsed to remove grease, dirt, etc.

Is wool and mohair production in the U.S increasing or decreasing?

Decreasing

Where are most sheep located in the U.S?

Westren states

What is wool value determined by?

Fleece weight, cleanliness, staple length, and fineness (fiber diameter)

Where is Mohair production from Angora goats concentrated primarily?

Texas

What imports have provided stiff competition for domestic wool production?

Cotton, synthetic fibers, and wool imports