Rumen GI Part 1

Question 1

What is the normal pH of the rumen?

Answer 1

5.5-7

Question 2

The ____ of the rumen allows for acid synthesis and reabsorption, buffers substances from from saliva and rumen epithelium

Answer 2

pH

Question 3

What part of the ruminal ecosystem prolongs the digestion of starch and protein?

Answer 3

Protozoa

Question 4

What is the name for when the waste products produced by one species serves as the subtracted for another?

Answer 4

Syntrophy

Question 5

What are the 3 main VFA’s?

Answer 5

Propionate
Acetate butyrate
Acetate

Question 6

Propionate goes to the liver to produce?

Answer 6

Glucose

Question 7

Acetate butyrate goes to all tissues to provide?

Answer 7

Energy

Question 8

Acetate foes to adipose tissue for?

Answer 8

Fatty acids

Question 9

What enzyme hydrolyzes cellulose, hemicellulose, and pectin?

Answer 9

Cellulase

Question 10

What type of carb is not available for absorption by the ruminant, and will be further metabolized by microbes?

Answer 10

Monosaccharides

Question 11

What product, along with other sugars, are not available to the host animal, but absorbed into the cell bodies of microbes?

Answer 11

Glucose

Question 12

Glucose is used by the microbial cells for glycolysis which produces 2 pyruvate —> fermentative digestive is anaerobic = _______ ______ ______

Answer 12

Volatile fatty acids

Question 13

Pyruvate —> Acetyl CoA —> _________ and ________

Answer 13

Acetate
Butyrate

Question 14

Glucose —> pyruvate —> 2 places:
1) _________
2) lactate —> _________ + ________

Answer 14

Propionate
Propionate + acetate