When hay is harvested too late, its feeding value commonly declines because it contains:
Correct answer: A. More lignified cell-wall material
- A. More lignified cell-wall material
- B. More soluble sugars and protein
- C. Less structural carbohydrate
- D. More available essential amino acids
Explanation
Late-cut hay usually has a greater proportion of mature, lignified stems and less readily digestible leaf material. Lignin limits microbial access to cellulose and reduces overall digestibility.
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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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