Answers
Where does the enzyme carboxypeptidase come from in the pig?
pancreas
Where does the enzyme pepsin come from in the dog or pig or rat?
stomach
Where does the enzyme pepsin come from in the cow?
abomasum
Where does most of the fermentation take place in the cow?
rumen
Where does most fermentation take place in the horse?
cecum
Where does particle size reduction of feed take place in the chicken?
gizzard
What compartment of the ruminant compares to the stomach of the pig?
abomasum "true stomach"
What compartment of the ruminant helps retain material in the rumen and keeps large particles from
moving down the tract too soon?
omasum
What compartment of the ruminant stomach has a honeycomb-like lining and helps in regurgitation
and eructation?
reticulum
What hormone lowers blood sugar by helping get glucose into cells?
insulin
What hormone helps fat digestion by reducing stomach activity and increasing the secretion of
substances that digest fat?
Cholecystokinin (CCK)
Which enzyme is from the pancreas and digests proteins?
carboxypeptidase
Which substance emulsifies fat?
bile
, Which hormone stimulates stomach activity?
gastrin
Microbes in the rumen produce cellulase so fiber can be digested. (T or F?)
True
Microbes in the rumen produce cellulase so lignin can be digested. (T or F?)
False
Microbes in the rumen break down carbohydrates to simple sugars that are then absorbed. (T or F?)
False (VFAs)
Microbes in the rumen produce all the B-vitamins cattle normally need. (T or F?)
True
Microbes in the rumen break down proteins and use the products to build amino acids, including
essential amino acids, to build bacterial protein. (T or F?)
True
Microbes in the rumen convert most of the fat in the diet into saturated fatty acids. (T or F?)
True
Which feed often contains gossypol?
cottonseed
Which feed often contains ergot and likely was involved in the Salem Witch Trials in early American
history?
rye
Which feed contains trypsin inhibitor and needs to be toasted?
soybean meal
Which feed is somewhat laxative and improves hair coat due to mucins it contains?
linseed meal
Which feed comes from coconuts?
copra
Which feed comes from flax, from which linen is made?
linseed meal
Which feed is the highest quality and most abundant protein source from plants for animal feeding in
Indiana?