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2007_Exam_2_Form_A_with_key - ANS 313 Exam 2 Name Lab group...

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ANS 313 Exam 2. Name: _______________________________ Lab group code: ______ Fill in a scantron for this exam. 100 points. (2 pts per question) True/False. 1. T F One reason lactating sows usually continue to produce milk better during cold weather than hot weather is that they tend to eat more when it gets cold but eat less when it gets hot. 2. T F Acetate is a major metabolic fuel in ruminants fed high forage diets, especially if they are lactating, thus sparing glucose for the tissues that absolutely require it. 3. T F The lactate produced in anaerobic glycolysis is transported to mammary gland where it is converted to lactose. 4. T F The Heat Increment of Feeding is generally greater for protein than for fats as a % of total ME intake. 5. T F Gross Energy – Fecal Energy = Urinary Energy + Gas Energy + Heat production in an adult horse at maintenance. 6. T F If you removed the mitochondria from muscle cells, they would still be able to convert glucose to lactate. 7. T F 20 pounds of muscle tissue stores the same amount of energy as 20 pounds of fat tissue. 8. T F Over a 5-day fast, most of the energy required to keep an animal alive comes from stored glycogen. 9. T F A lactating horse should be able to tolerate hot weather better than a horse at maintenance because milk secretion is a great way to lose body heat. 10. T F If beef steers are fed and managed to eat more calories and gain muscle faster, the amount of manure produced per unit of meat produced in a beef feedlot decreases. 11. T F The NE m value of a feed will always be greater than or equal to its NE g value. 12. T F Most trans-fatty acids are bad for you, but trans-11 C18:1 is actually good. Multiple choice. Choose one best answer per question. 13. ___ If you have not had breakfast this morning, and your last meal was about 12 hours ago, this would be the primary source of your blood glucose. a. muscle glycogen b. muscle amino acids c. liver glycogen d. liver amino acids 14. ___ When fed to a cat, fiber would have very litte:
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