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LAM 2 Final Exam Practice Questions > Swine Nutrition > Flashcards

Swine Nutrition Flashcards

1
Q

_____% of the total cost of swine production is FEED

A

65 - 70%

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2
Q

What are the 4 factors influencing effectiveness of feeding programs?

A

Stage of Life Cycle

Non-nutritive additives

Proper feed processing

Storage

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3
Q

These 2 crops can be mixed together and make a great

ration for pigs

A

Corn meal and Soybean meal

Corn = ENERGY

Soybean = PROTEIN/Amino Acids

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4
Q

Pigs do NOT have a _______ requirement;

Instead, they have an amino acid and nitrogen source requirement

A

protein

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5
Q

This amino acid is known as the limiting amino acid.

Need to meet the requirements for this, and the rest

of the essential amino acids are given in proportion to this.

A

LYSINE

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6
Q

Essential amino acids in pigs include

these 9

A

Lysine

Leucine, Isoleucine

Valine

Tryptophan

Threonine, Methionine

Phenylalanine

Histidine

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7
Q

______ is the only synthetic amino acid that is price competitive

A

Lysine (the limiting aa)

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8
Q

_________ sources are the most expensive part of swine diets

A

Protein sources (soybean meal)

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9
Q

This organization represents the requirements for

normal growth

A

National Research Council

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10
Q

Feed companies often exceed recommendations by the

National Research Council by

____% of a safety factor

A

10%

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11
Q

Which fat soluble vitamins are required in pig diets?

A

A, D, E, K

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12
Q

Which water soluble vitamins are required in pig diets?

A

B, C

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13
Q

Which fatty acids are required in pig diets?

A

Only linoleic acid is required

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14
Q

This is the most overlooked nutrient in swine production

A

WATER

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15
Q

Pigs need _______ of water for every 1lb of feed consumed

A

4 lbs!

If no water, pigs will not eat feed

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16
Q

What are the non-nutrient feed additives important in pig feed?

A

Antibiotics, Probiotics

Anthelminthics, Copper Sulfate

Phytase enzyme- help break down phosphorus in soybean meal

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17
Q

What are the life phases in pigs

that require differing nutrients and feed?

A

Starter phase

Grower and Finisher phase

Gestating Females

Boars

18
Q

In regards to feed and life stages:

This is the most expensive and complex phase

A

Starter phase

19
Q

Piglets are weaned at _____ weeks old

A

Piglets are weaned at 3 weeks old

20
Q

In regards to feed and life stages:

When do pigs need to be placed on starter feed?

A

When they are weaned at 3 weeks old (19 - 21 days)

21
Q

T/F:

Newly weaned piglets cannot consume enough feed to

meet their energy needs for protein deposition

A

TRUE

22
Q

In regards to feed and life stages:

Starter phase diets need to be

high in these 3 categories

A

High in LACTOSE, FAT, and PROTEIN

23
Q

T/F:

Keep all pigs being switched to starter diets in the same litter

as to prevent fighting

A

True

24
Q

In regards to feed and life stages:

What are the 2 most important components to the

Grower and Finisher Phase?

A

Keeping temperature in the ideal range

Limit physical stress

25
Q

In regards to feed and life stages:

What is the ideal temperature range for pigs in the

Grower and Finisher Phase?

A

70 - 75F

26
Q

In regards to feed and life stages:

With temperatures ________ in the Grower and Finisher Phase,

feed intake is limited so a nutrient dense diet is recommended

A

Above 85F

27
Q

In regards to feed and life stages:

With temperatures ________ in the Grower and Finisher Phase,

you do NOT want to increase fat consumption,

but you may want to increase fiber consumption

A

Below 70F

28
Q

In regards to feed and life stages:

The Growing Phase lasts until the pig is _____ lbs.

The Finishing Phase lasts until the pig is ______ lbs.

A

In regards to feed and life stages:

The Growing Phase lasts until the pig is 80 lbs.

The Finishing Phase lasts until the pig is 240 lbs.

29
Q

In regards to feed and life stages:

The feed for the Growing Phase

has less of these two components

A

Growing phase: less milk and less protein

30
Q

In regards to feed and life stages:

In gestating females and in boars,

you want to avoid obesity and avoid emaciation.

If too fat, the boar may become ________ from increased

fat around the testicles.

A

sterile

31
Q

In regards to feed and life stages:

The ideal body condition score (1 - 5)

during lactation and at weaning is _____,

where the backbone is just barely palpable

A

BCS = 3

32
Q

In regards to feed and gestating females:

_______ means to increase the energy intake by 50%

prior to breeding.

A

Flushing

33
Q

In regards to feed and gestating females:

Flushing works in gilts but NOT in sows to increase

the rate of _________

A

ovulation

34
Q

A pig that has not yet farrowed (birthed piglets) is known as a

A

Gilt

35
Q

In regards to feed and gestating females:

Once a sow farrows (births a litter of piglets), she is fed

_________ until the piglets wean

A

ad lib

36
Q

In regards to feed and gestating females:

Flushing must start _________ before breeding

and stop right after ________

A

Flushing must start 2 weeks before breeding

and stop right after mating

this increases the ovulation rate and the number of pregnancies

37
Q

Flushing must start 2 weeks before breeding and stop right after mating.

If feeding at a higher rate continues, there will be a

higher rate of ________

A

embryonic mortality

38
Q

In regards to feed and gestating females:

_______ is the number of litters a sow has.

A

Parity

Low parity eat smaller, slower meals per day

39
Q

In regards to feed and gestating females:

When is feed consumption maximized?

A

During lactation!

For milk production and rebreeding

40
Q

__________ is a problem in baby pigs

which is why you cut them off at birth

A

Tail-biting

41
Q

Keep sows in ________ crates so they cannot roll over on top of

the baby pigs

A

Farrowing crates

LAM 2 Final Exam Practice Questions (9 decks)

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