The conventional conversion used to estimate crude protein from feed nitrogen is:
Correct answer: D. Nitrogen multiplied by 6.25
- A. Nitrogen multiplied by 4.25
- B. Nitrogen multiplied by 5.00
- C. Nitrogen multiplied by 8.50
- D. Nitrogen multiplied by 6.25
Explanation
Crude protein is conventionally estimated as nitrogen multiplied by 6.25 because proteins contain about 16 percent nitrogen. The factor is an estimate and may not represent every individual protein exactly.
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About Animal Nutrition and Feeding
Covers carbohydrates, proteins, lipids, minerals, vitamins and water, along with digestion, absorption and energy metabolism in domestic animals. Questions involve feed evaluation, nutrient requirements, ration formulation, forage and concentrate feeds, deficiency disorders, and the differences between ruminant and monogastric nutrition.
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