Scientific Farm Animal Production

Biology

Quiz 7 :

By-Products of Meat Animals

Quiz 7 :

By-Products of Meat Animals

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What countries are the primary buyers of U.S. by-products?
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The most important by-products of meat animals are bones, fat, internal organs and hides, etc. Among these internal organs, like tongue, heart, liver tripe, etc are edible by-products; whreas hides are inedible things like skin and bones, etc. Both edible and edible by-products have more economic value than the live-stock like swine, poultry, etc.
The United Sates export most of the animal meat by-products, like animal fats, feather meal, meat meal and tankage to the countries like Mexico, Turkey, Canada, Indonesia and chili. For example, the United States exports $353, 571 worth of animal fat to Mexico, $ 42, 145 to turkey, $40, 855 to Canada. The meat meal and tankage export values for China is $21,945, for Canada is $45,400 and for Indonesia $53,729. United States also exports $37,711 worth of Feather meal to Indonesia, $21, 462 to Chile, $2,563 to Canada.

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What are the highest valued inedible by-products?
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The inedible by-products are skin, leather surgical structures, soap, buttons, china, photographic film, explosives, sandpaper, violin strings, and bon powder, etc. Apart from these the pharmaceutical by-products are produced, which include heparin, thyroid extract, rennet, epinephrine, insulin, thrombin, cholesterol, etc.
The inedible by-products that have more highest economic value are skins (sheep pelts), fat, meat scraps, bones. For example, the export of cattle hides for 2013 is about $1, 459,656 million and the United States alone exported $1bilion worth of hides of cattle's to the other countries.

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What is the role of the rendering industry?
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The most important by-products of meat animals are bones, fat, internal organs and hides, etc. Among these internal organs, like tongue, heart, liver tripe, etc are edible by-products; whreas hides are inedible things like skin and bones, etc. Both edible and edible by-products have more economic value than the live-stock like swine, poultry, etc.
The important role of rendering industry is to recycle animal by-products like animal carcasses, meat scraps, bone, fat and offal, etc. Some large scale industries have their own machinery for the process of rendering. For example by using this process about 70 million pounds of animal by-products has been rendering daily. It reduces the water pollution due to low local disposal of animal waste.

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Provide examples of edible and inedible by-products.
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What are uses of leather from different sources of hides and skins?
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What is the volume and value of livestock by-product exports?
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How does by-product value impact the economics of livestock production?
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Describe the approved protocols for disposal of dead livestock.
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