Topics: Animal Nutrition, Animal Refresher

Effect of Urea Treatment on Straw Quality

Urea treatment of straw will increase which of the following?

DCP only
TDN only
Palatability and digestibility only
All — DCP, TDN, palatability and digestibility

Effect of Urea Treatment on Straw Quality

Urea treatment of straw will increase which of the following?

Options

DCP only
TDN only
Palatability and digestibility only
All — DCP, TDN, palatability and digestibility ✓

Correct Answer: D

Explanation in English

Correct Answer: All the above

Parameter	Untreated Straw

Parameter	Untreated	Urea-treated
DCP%	0%	4–5%
TDN%	40%	50%
Digestibility	46%	70%

Mechanism

Urea hydrolyses to NH₃ + CO₂. NH₃ acts as alkali, breaking ester bonds between lignin and hemicellulose, increasing cell wall degradability. Urea treatment @ 4% of straw: 100 kg straw + 4 kg urea + 40 litres water (water:urea = 10:1).

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This multiple choice question is from Animal Nutrition, Animal Refresher. It has 4 options with a detailed explanation of the correct answer. Practice more MCQs from Animal Nutrition to strengthen your preparation.

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