exam 2 - ANS 313 2009 Exam 2 Name Lab group code Sit every...

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ANS 313 2009 Exam 2. Name: _______________________________ Lab group code: ______ Sit every other seat. Closed notes. No talking. No texting. No phones. No hats (or flip bill backwards). Eyes forward. Complete a scantron with ID and signature. 2 pts per question. True/False. 1. T F The “dilution of maintenance” refers to the fact that the NEm value of a feed is always greater than its NEg value. 2. T F Adding lots of soybean meal to a diet (so protein is fed well above requirements) is a good way to try to increase the growth rate of a young broiler chicken. 3. T F Contrary to popular belief, as an animal eats more per day, the digestibility of the diet actually increases. 4. T F Animals can synthesize glucose from most fatty acids. 5. T F A dog can live quite healthy and well for a long time eating a carbohydrate-free diet as long as it is fed plenty of protein. This is because the cells of a dog prefer to oxidize amino acids instead of glucose. 6. T F Most trans-fatty acids are bad for you, but trans-11 C18:1 is actually good. 7. T F Over a 5-day fast, most of the energy required to keep an animal alive comes from stored glycogen. 8. T F The lactate produced in anaerobic glycolysis is transported to mammary gland where it is converted to lactose. 9. T F Without the electron transport chain, the TCA cycle cannot continue to run. 10. 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. Multiple choice. Choose one best answer per question. 11. For a growing animal, total heat production plus retained energy is equal to: a. Gross energy b. Digestible Energy c. Maintenance Energy d. Net Energy e . Metabolizable Energy 12. During really hot weather, animals usually eat less. Why? 13. For which of the following food components would the GE and ME values (kcal/g) be most similar? 14. For which of the following food components would the ME and NE values (kcal/g) be most similar?
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