题目内容

Nitrogen-corrected metabolic energy（MEn）is often used in（）

A. Pig
B. Poultry
C. Ruminant
D. Aquatic animal

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（）is characterized by water loss, while electrolyte loss is relatively small

A. Hypertonic dehydration
B. Hypotonic dehydration
C. Isotonic dehydration
D. General dehydration

After deducting ADF from NDF, the remaining part is（）

A. Cellulose
B. Hemicellulose
Crude fiber
D. Lignin

Carbohydrates don’t include（）

A. Cellulose
B. Hemicellulose
Crude fiber
D. Lignin

The content of（）in plant seeds is lower than that in stems and leaves（）

A. Protein
B. Fat
C. Nitrogen-free extract
D. Crude fiber