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ANSC 221 > ANSC 221 EXAM 1 > Flashcards

ANSC 221 EXAM 1 Flashcards

1
Q

What was the historical importance of Dr. Stephan Babcock’s experiment

A
  1. First semi purified diet used with farm animals of economic importance, so people took notes, and this became a very important tool in nutrition
  2. it led to a research opening in the Golden Age of Nutrition with the discovery of the vitamins and minerals
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2
Q

What did Dr. Forsyth say to know about feed additives

A

Feed additives are regulated and it is important to stay up to date and follow those regulations

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3
Q

Why feed low calcium to prevent milk fever

A

The parathyroid gland secretes slow-acting hormone called parathyroid hormone (PTH) in response to the low calcium level that is detected in the blood. Feed low Ca ahead of time can activate the PTH that will increase Ca absorption and release Ca from bone
If fed high Ca ahead of time it send the wrong signal that more Ca is not needed

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4
Q

Why isn’t it effective to feed BST to improve milk production

A

BST is a protein and if eaten it would be digested into amino acids. It must be injected in order to work

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5
Q

What are the main concerns when feeding antibiotics

A

Antibiotic residues remaining in animal tissues, and microbial resistance to antibiotic

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6
Q

Form of starch in plants with a branched chain structure

A

Amylopectin

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7
Q

Straight chain structure

A

Amylose

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8
Q

Milk Sugar

A

Lactose

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9
Q

Monosaccharides that starch is composed of

A

glucose

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10
Q

Monosaccharides that cellulose is composed of

A

glucose

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11
Q

What substance in protein used to distinguish protein from starch and cellulose

A

Nitrogen

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12
Q

What vitamins prevents rickets

A

Vitamin D

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13
Q

What vitamins with forms are pyridoxine, pyridoxalm and pyridoxamine

A

B6

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14
Q

Which vitamin is destroyed by thiaminase

A

Thiamin

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15
Q

What vitamin helps protect membranes and prevents exudative diathesis, encephalomalacia and torah disorders

A

Vitamin E

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16
Q

Cation we get from salt

A

Sodium

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17
Q

What mineral prevents grass tetany

A

Magnesium

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18
Q

What minerals prevent parakeratosis

A

Zinc

19
Q

What mineral is part of the hormone thyroxine, which controls basal metabolic rate

A

Iodine

20
Q

Which mineral deficiency causes goiter

A

Iodine

21
Q

List nutrition deficiencies that results in anemia as major symptom in farm animals

A

Iron, Copper, Cobalt, B12, Folic Acid, B6, Vitamin K

22
Q

Which essential amino acid contains sulfur

A

Methionine

23
Q

What are the first two limiting amino acids in corn for pigs,

A

Tryptophan and Lysine

24
Q

List the VFA

A

Propionic, Butyric, Acetic Acid

25
Q

List the Essential Fatty Acid

A

Linoleic, Linolenic, Arachidonic

26
Q

List two predominant long chain fatty acids in beef fat

A

Steric and Palmitic

27
Q

Which mineral would be tied up by oxalic acid causing blood to not clot

A

Calcium

28
Q

Which mineral is found in vitamin b12

A

Cobalt

29
Q

What vitamin is part of acetyl CoA and has a deficiency symptom that is goose stepping in pigs

A

Pantothenic Acid

30
Q

Which vitamin corresponds with L-Ascorbic Acid

A

Vitamin C

31
Q

Which mineral prevents nutritional muscular dystrophy such as stiff lamb disease, white muscle disease, and liver degeneration causing sudden death in pig

A

Selenium

32
Q

Which mineral is toxic in raw rock phosphate

A

Flourine

33
Q

Which of the following is a toxic material not presently known as essential

A

Mercury

34
Q

Which vitamin is the main biological antioxidant and prevents stiff lamb disease, white muscle disease and nutritional encephalomalacia

A

Vitamin E

35
Q

Which vitamin is made in metabolism by farm animals but not by humans

A

Vitamin C

36
Q

Which vitamin has activity from menadione, phylloquinone, and menaquinone

A

Vitamin K

37
Q

Which vitamin is necessary for the blood to clot

A

Vitamin K

38
Q

what makes up a triglycerides

A

1 glycerol and 3 fatty acids

39
Q

Which amino acid contain imidazole group

A

Histidine

40
Q

Which is a vitamin that is a part of NAD and NADP

A

Niacin

41
Q

Which is a vitamin that a deficiency can result in pellagra in humans, and black tongue in Dogs

A

Niacin

42
Q

Which amino acid is very sweet, when connected to aspartic acid, and needs to be checked that it is being metabolized correctly in babies

A

Phenylalanine

43
Q

What was Babcock’s experiment

A

Babcock’s experiment tested whether cows could survive only on one type of grain Two groups of cow both fed different diets. One group was only fed a corn diet while the other group only fed a wheat diet. the corn diet cow were more healthier and able to reproduce healthy calves while the wheat diet cow were least healthier and reproduces calves that died at a early age

44
Q

What are the functions of fat in the diet

A

Energy, Supply esssential fatty acids, etc.

ANSC 221 (5 decks)

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