The main function of rumination in cattle is to:
Correct answer: D. Reduce particle size and stimulate saliva secretion
- A. Increase particle size before swallowing
- B. Move all digesta directly into the abomasum
- C. Prevent microbial fermentation in the rumen
- D. Reduce particle size and stimulate saliva secretion
Explanation
Regurgitation and rechewing reduce feed particle size and promote mixing with saliva. Saliva also supplies important buffering substances that help maintain a suitable rumen environment.
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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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