Poultry Nutrition

Question 1

3 different types of activities of poultry industry

Answer 1

• Genetics/Selection farms (Primary Breeders)
• Reproduction Farms (Breeders + Hatchery)
• Production Farms

Question 2

T/F broiler production is an “all in all out” system

Answer 2

true

Question 3

at what age do boiler chickens go to harvest

Answer 3

6-7 weeks

Question 4

feeding costs

Answer 4

2/3 total operation cost

Question 5

energy sources

Answer 5

grains, grain by-products, animal and vegetable fats

Question 6

T/F poultry have a limited ability to digest fiber

Answer 6

true

Question 7

grains

Answer 7

50-80% of total ration

corn most commonly used

Question 8

how are chickens fed

Answer 8

ad libitum

will eat to meet their energy needs

Question 9

T/F high energy rations–> higher efficiency

Answer 9

true

Question 10

what is the most important cereal

Answer 10

corn

Question 11

oats and barely

Answer 11

cannot totally replace corn

limit incorporation to 10-15%

Question 12

fats

Answer 12

used to increase energy levels in diet

nor more than 5-10%

Question 13

what supplies essential AA

Answer 13

proteins

Question 14

protein sources

Answer 14

• Soybean meal
• Canola meal
• Blood meal and Fish meal

Question 15

mineral important for laying hens

Answer 15

calcium

Question 16

sources of minerals

Answer 16

oyster shell and/or limestone

Question 17

vitamins and mineral are normally supplied in what form

Answer 17

premixes included in pelleted diets

Question 18

what are minerals needed for

Answer 18

formation of the egg shell

Question 19

why use pellets

Answer 19

• Pelleted feeds have more nutrients per volume of feed

* Allow the use of ground material more efficiently –>no need for grit

Question 20

T/F young animals can be fed pellets

Answer 20

false

Question 21

forms of commercial manufactured feeds

Answer 21

• Mash
• Pellets
• Crumble

Question 22

which poultry industry is phase feeding particularly important

Answer 22

laying hens

normally used in broilers, turkeys, laying hens

Question 23

starter ration for weeks 0-6 form

Answer 23

mash

Question 24

at what age do you start a growing ration

Answer 24

6 weeks

Question 25

weeks 6-20

Answer 25

slowly shift from mash to pellet

protein decreases

Question 26

factor effecting feed consumption in laying hens

Answer 26

• Egg production and size
• Body size
• Health status
• Temperature

Question 27

phases of broiler feeding

Answer 27

• Starter
• Grower
• Finisher

Question 28

important changes in broiler phases

Answer 28

• Protein Content
• AA content
• Feed structure

Question 29

what does feed conversion depend on

Answer 29

• Genetic background of strain
• Type of feed used
• Temperature
• Feed waste
• Additives used in the Feed
• Management

Question 30

differences in feeding turkeys

Answer 30

• Protein levels (higher)

* Vitamin composition

Question 31

T/F turkey poults are fed either a pre-starter or starter ration and watered ASAP

Answer 31

true

Question 32

T/F turkey poults get stressed easily

Answer 32

true

Question 33

how are 8-10 week old poults raised

Answer 33

confinement or range-based

Question 34

as turkeys become older

Answer 34

• Energy levels increase

* Protein levels decrease

Question 35

T/F Toms are grown to a later age than females

Answer 35

true

Question 36

toms have higer_______requirements

Answer 36

protein