Ruminal Fluid Flashcards

1
Q

Normal rumen pH

A

6.3-7

Slightly acidic

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2
Q

Normal VFA concentration in rumen.

A

80-120 mmol/L

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3
Q

Normal bacterial concentration of ruminate fluid.

A

10^7 - 10^12 per mL ruminate fluid

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4
Q

Normal ammonia concentration in ruminate fluid.

A

6-20 mmol/L

Low

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5
Q

Normal chloride concentration in the ruminal fluid.

A

15-20 mmol/L

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6
Q

Normal nitrate reduction test

A

No nitrite after 10 min because microorganisms have reduced it.

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7
Q

Normal methylene blue reduction test

A

Colourless (with blue ring) after 3-6 minutes.

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8
Q

Normal triphenyltetraxolium chloride (TTC) test

A

Red colour after 10-15 minutes.

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9
Q

Normal VFA composition of rumen.

A

60-65% acetate
20-25% propionate
10-15% butyrate
5% other acids

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