Feed Additives

Question 1

What is the function of non-nutritive feed additives?

Answer 1

1. Improve feed quality
2. Improve animal health
3. Enhance production
4. Improve meat quality

Question 2

Function of antibiotics?

Answer 2

It used to be used as a growth promoter but the FDA stopped its use in 2017.

Question 3

What needs to approve antibiotic use?

Answer 3

Veterinary Feed Directive

Question 4

What swine period might need antibiotic use?

Answer 4

Nursery period, immune systems are still developing

Question 5

What is the function of anthelmintics?

Answer 5

it is a drug that acts on internal parasites like dewormers

Question 6

What is the function of antioxidants?

Answer 6

prevents oxidation in feed, particularly of fat, which may create an off flavor

Question 7

What are common antioxidants?

Answer 7

ethoxyquin, BHT, BHA, and propyl gallate

Question 8

What is the function of enzymes?

Answer 8

improve digestibility and animal health

Question 9

What are enzymes that can be added to diet?

Answer 9

1. Phytase
2. xylanase
3. beta-glucanase
4. pectinase
5. cellulase
6. amylase
7. protease

Question 10

What does phytase do?

Answer 10

It hydrolysis the phosphate from phytate, which not only is indigestible but can also decrease the digestibility of other nutrients.
Phytate can become phytic acid

Question 11

What is another name for probiotics?

Answer 11

Direct fed microbials

Question 12

What is the function of probiotics?

Answer 12

feed microorganisms to alter the gut microbiome, and limit pathogenic growth

Question 13

Classes of probiotics?

Answer 13

1. Lactic acid producing bacteria
2. Bacillus
3. Saccharomyces yeast

Question 15

What causes gastrointestinal disease?

Answer 15

pathogenic bacteria propagates unchecked and reaches a critical mass

Question 16

What is the function of prebiotics?

Answer 16

provide substrate which allows for the growth of certain strains of microorganisms

Question 17

What is an example of a prebiotic?

Answer 17

Fructo-oligosaccharide (FOS)

Question 18

What is the function of beta-agonists?

Answer 18

mimic norepinephrine/epinephrine to stimulate adrenergic receptors making the pig more lean and less fat

Question 19

What it the function of flavors?

Answer 19

enhance palatability of feed

Question 20

What is the function of pharmacological concentration of Cu and Zn?

Answer 20

have some bacteriostatic or bactericidal properties
Cu may also affect immune system

Question 21

What is the function of essential oils?

Answer 21

positive effects on growth and health, antimicrobial, antioxidative, and anti-inflammatory properties

Question 22

What is the function of pellet binders?

Answer 22

helps the pellet “stick” together

Question 23

What the categories of pellet-binders?

Answer 23

1. lignin-based binds
2. hemicellulose-based binders
3. clay or mineral binders
4. other binders (gums, resins, starches)

Question 24

What is the function of methane inhibitors?

Answer 24

reduce methane (greenhouse gas) emissions.
Example is 3NOP

Question 25

What is the function of mycotoxin binders?

Answer 25

renders mycotoxins ineffective (toxic compound produced by fungi in crops)