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ANS 319 IMPORTANT CONCEPTS FINAL EXAM QUESTIONS AND VERIFIED ANSWERS
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ANS 319 IMPORTANT CONCEPTS FINAL EXAM QUESTIONS AND VERIFIED ANSWERS...
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ANS 319 IMPORTANT CONCEPTSFINAL EXAM QUESTIONS AND
VERIFIED ANSWERS
T/F: Forages have more fibre and their particle size is larger than
concentrates - ANSWER True
T/F: Animals eating forages spend more time chewing than animals
eating concentrates - ANSWER True
T/F: The amount of dry matter (DM) in feeds is determined by drying in
an oven at 60oC for 72 hours - ANSWER True
Animal nutrition encompasses the processes by which an animal obtains
and utilizes ______________ - ANSWER Nutrients
Two forms of preserved forages - ANSWER 1) Hay
2) Silage
If the % of moisture in fresh feed sample is 60%, the % of dry matter
(DM) in that feed sample will be ____________________. - ANSWER
40%
After being dried in an oven at 60oC for 72h, a fresh corn silage sample
weighing 200g gave 60g of dry matter (DM).
What was the dry matter (DM) content of that fresh forage? - ANSWER
30%
A laboratory report says "a fresh corn grain sample weighing 200g had
160g of dry matter and 120g of starch"
What was the starch content (%) of corn grain on as-fed basis? -
ANSWER 60%
The DM % of canola meal = 90%
Protein content of canola meal on DM basis = 40%
,What is the protein content of canola meal on as-fed basis? - ANSWER
36%
If fiber content of hay on as-fed basis is 40%, the amount of fiber that a
horse going to receive by eating 5.0 kg of hay will be - ANSWER 2.0 kg
T/F: Organic matter in feeds includes starch, fat, and protein - ANSWER
True
T/F: In the detergent system of feed analysis, the cell contents do not
dissolve in neutral detergent. Therefore, they are called NDF. -
ANSWER False
Crude protein in feeds account for both
____________________________ and non-protein nitrogen (NPN) -
ANSWER True protein
If a forage sample contains 10g of lignin, 20g of cellulose, and 30g of
hemicellulose, the amount of ADF in that forage sample will be
____________________________ - ANSWER 30
Which is CORRECT about hemicellulose? - ANSWER Hemicellulose is
a major constituent of plant cell wall
A cat consumes 80g of fat, digestibility of which is 90%. The amount of
fat that is going to be digested in that cat is - ANSWER 72 g
Dry matter weight of a feed sample is 200g. If only 120g of that DM
dissolves in neutral detergent, the NDF content of feed on DM basis is -
ANSWER 40%
If 6g of crude fat was extracted from 200g of DM into ether, the ether
extract (EE) content on DM basis is - ANSWER 3%
- Digestibility of crude protein in dogfood A is 90%
-Digestibility of crude protein in dogfood B is 80%
Which dogfood (A or B) would provide more protein to the body, if a dog
eats the same amount of crude protein from each? - ANSWER A
, T/F: Papillae substantially increase the absorptive area of the rumen and
the reticulum - ANSWER True
T/F: Copraphagy is a special behavior shown by hindgut fermenters -
ANSWER True
T/F: Cattle eating grass would swallow more bicarbonate ions than cattle
eating grains - ANSWER True
T/F: Abomasum in the complex stomach of sheep is very similar to the
simple stomach of pigs - ANSWER True
The small intestine has three distinct regions: - ANSWER 1) Duodenum
2) Jejunum
3) Ileum
Two functions of the mouth: - ANSWER 1) Prehension
2) Perceiving taste
Two important components in pancreatic juice that influence digestion of
nutrients in the small intestine: - ANSWER 1) Digestive enzymes
2) Bicarbonate ions
Which is NOT a major function of the large intestine? - ANSWER
Digestion and absorption of proteins
Which of the following hormones is produced by endocrine cells in the
small intestine? - ANSWER Secretin
Which is NOT a characteristic of the mouth and associated structures of
carnivores? - ANSWER Large masseter muscle
Which phase of gastric secretions is controlled by secretin hormone? -
ANSWER Intestinal phase
T/F: The amount of ash in feeds is usually determined by burning at
about 500 degrees celcius - ANSWER True
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