Exam 1

Question 1

Nutrition can be categorized by the animal’s digestive tract to:

Answer 1

Monogastric vs ruminant nutrition

Question 2

Examples of ruminant animals are:

Answer 2

Giraffe, Camel, Cows etc.

Question 3

Nutrients that are inorganic matter are

Answer 3

Minerals

Question 4

This is an example of a quantitative difference of nutrients in animal and plant tissues.

Answer 4

Carbohydrate content is greater in plant tissues than in animal tissues.

Question 5

The most abundant minerals in animal tissues are:

Answer 5

Ca, P

Question 6

NRC organized feedstuffs into 8 categories and each feedstuff has an IFN. What do NRC and IFN stand for?

Answer 6

National Research Council and International Feed Number.

Question 7

Forages include ___ NOT ____.

Answer 7

Hay, Pasture, Silage.. NOT Roughage

Question 8

A feedstuff with IFN 5-04-612 is __

Answer 8

Protein supplement

Question 9

A feedstuff with 5% crude fiber and 15% crude protein belongs to which category:

Answer 9

Energy Feed

Question 10

Concentrates are feedstuffs including:

Answer 10

Energy Feeds, Protein Supplements.

Question 11

Wheat middlings is an example of what type of feedstuff?

Answer 11

Energy Feed

Question 12

Which feedstuff has the highest metabolizable energy?

Answer 12

Corn

Question 13

Phosphorus in plant tissues is largely unavailable to animals because it extensively exists in the form of:

Answer 13

Phytate

Question 14

What part of corn kernel contains protein, oil, and phosphorus?

Answer 14

Germ

Question 15

The state with the highest corn production is

Answer 15

Iowa

Question 16

Current corn price is about

Answer 16

$4.00 / bushel

Question 17

A cereal grain produced in semi-arid western regions with a potential concern of tannin is:

Answer 17

Sorghum

Question 18

Among millfeeds, the one with the highest fiber content is:

Answer 18

Wheat Bran

Question 19

Most popular energy feeds used in the US are:

Answer 19

Corn, Sorghum

Question 20

A milk co-product with the highest lactose content is:

Answer 20

Whey Permeate

Question 21

In feed mixing, a typical procedure of supplementing fat greater than 5% is:

Answer 21

Post-pellet spraying

Question 22

A minimum supplementation level of fat used in order to control dust in feed is:

Answer 22

1%

Question 23

Soybean meal has two grades depending on protein contents( 44% vs 48%). A difference in protein contents is mainly due to :

Answer 23

Amount of hulls added

Question 24

A variety of rapeseed used to obtain Canola meal is:

Answer 24

Rapeseed 00

Question 25

Which protein supplement is most adequate to feed simple stomach animals?

Answer 25

Canola meal

Question 26

Protein supplements most adequate to feed newly weaned pigs are:

Answer 26

Fish meal and plasma protein

Question 27

Supplemental amino acids with the greatest use (based on amount) in animal feed are:

Answer 27

Lys and Met

Question 28

A fiber term which is defined to inclue cellulose, hemicellulose, and lignin is:

Answer 28

Neutral detergent fiber

Question 29

Cool season grass is:

Answer 29

C3 plants, temperate plants, grows best below 80 degrees F. Fescue, orchardgrass, timothy, and ryegrass is an example of,

Question 30

Which grazing system has the greatest advantage of helping animals to utilize forage in order to prevent unbalanced consumption but has disadvantages due to increased costs of fencing and labor?

Answer 30

Intensive rotational grazing.

Question 31

Grass tetany is due to low blood levels of:

Answer 31

Magnesium

Question 32

A major cause of fescue toxicosis is:

Answer 32

Toxins from endophytes

Question 33

Which layer of the intestinal wall contains blood vessels?

Answer 33

Submucosa

Question 34

Saliva is secreted from what glands?

Answer 34

Sublingual, submaxillary, and parotid glands.

Question 35

Which part of the stomach does NOT have mucin secretion?

Answer 35

Esophageal region

Question 36

Which part of the stomach secretes hydrochloric acid?

Answer 36

Fundic region

Question 37

What type of cells in the stomach secretes a zymogen called pepsinogen?

Answer 37

Chief cells

Question 38

Teeth extensively used by herbivores are:

Answer 38

Premolars, molars.

Question 39

The typical process of digestion includes:

Answer 39

Enzymatic, chemical, mechanical digestion.

Question 40

What are factors that affect hay quality?

Answer 40

Harvest at proper stage of growth: digestibility of nutrients decrease as plan matures. Cure properly: Should maintain 10-12% moisture. Weather damage: rain can leach water soluble nutrients. Improper storage: Too wet can cause moldy hay and millard reaction by microbial activity.