Download e-book for iPad: Cows (Animals Animals) by Renee C. Rebman

By Renee C. Rebman

ISBN-10: 0761439773

ISBN-13: 9780761439776

ISBN-10: 0761445137

ISBN-13: 9780761445135

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The next process, pasteurization, was invented by Louis Pasteur in 1862. The French scientist devised this method of heating milk to kill viruses, bacteria, and mold. 8 degrees Celsius) for sixteen seconds and then cooled. Pasteurization makes milk safer to drink. During the final step, homogenization, milk is forced through tiny openings in a machine to break Did You Know . . In order to get milk into a typical grocery store, it must be pasteurized and homogenized by equipment like this. C. She belonged to President William Howard Taft, who served from 1909 to 1913.

Cows even contribute to important medicines like insulin. Cows have been serving humans for thousands of years in many amazing ways. Even though we might not always think about it, most people drink, eat, and use products that come from cows every day. Cows are one of the world’s most useful animals. 41 Glossary abomasum—The fourth compartment of a cow’s stomach, where the digestive process gets completed. bacteria—Microscopic organisms, some of which produce disease. bolus—A soft mass of chewed food.

Manure contains many important nutrients, such as nitrogen, phosphorus, and potassium. These nutrients enrich the ground. Manure cannot be spread fresh. It is too strong and can harm plant growth. It is kept in a manure pile for several weeks or months and mixed with straw until it is ready for use. Another byproduct of the cow’s complex digestive system is methane gas. Cows emit this gas through burping and flatulence. Some scientists are concerned that methane gas from cows contributes to global warming.

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Cows (Animals Animals) by Renee C. Rebman


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