Scientific Farm Animal Production

Biology

Quiz 6 :

Wool and Mohair

Quiz 6 :

Wool and Mohair

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Name the fibers associated with sheep, angora goats, and hogs.
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The fibers are made up of keratin, which grows from skin of an animal and they are used for protection of animal skin from abrasions and also keep the body temperature of animal in a stable manner. These fibers have economical values, because they are used for making of several fabrics that are suitable for the usage of humans.
Animal's that have hair as a converging on the body includes pigs, cattle's, pigs, horses and dairy goats. Animal's that have fur as a converging on the body includes non-angora rabbits and mink. The mohair is present on the skin of angora goats and the sheep's have Wool.

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Describe the types of undesirable fleeces.
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The sheep's are the animals that produce wool. The two major factors that control or affect the production of wool are breeding and diet of sheep. If the sheep has low breeding capability and feed with diet contains less than 8% of protein, then it produces low quality fleeces. However, sometimes the fleeces would be mixed with farm dust like vegetable matter, like grass seeds, prickly seeds, etc.
The major types of undesirable fleeces are burry, chaffy and cotted. The burry fleeces have vegetable matter, like grass seeds, prickly seeds, etc and they binds persistently to the wool fibers. The chaff has vegetable materials like grass, hay and straw, etc. The cotted has entangled and matted fibers.

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What are the primary traits affecting wool quality?
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The major characteristics or primary traits that add value to the wool fleeces are yield, crimp, fiber diameter, purity, color, strength and staple length. The undesirable fleeces have high variation in the diameter of fiber and the diameter of fiber also affects the crimp nature.
So, irregularity in the diameter results production of coarser wools. The fleece must have bulky nature; if it does not possess bulky nature then it is an undesirable fleece. Long length fleece are more value than the shorter length fibers.

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Describe the breeds typically affiliated with the various classes of wool.
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How does diet affect wool production?
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What are the characteristics of undesirable fleeces?
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What are the seven body regions of a sheep and the characteristics of wool from each?
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Describe the structure of a wool fiber.
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Compare and contrast the structure of mohair and wool.
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Compare the three methods of determining wool grade.
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Describe domestic and global wool production.
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Describe the wool marketing process.
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