Term Test 3: Layer Nutrition

Question 1

_% of cost of poultry products is _

Answer 1

70, feed

Question 2

Poultry industry is a consequence of _ _ started by development of high-yielding grains such as Norman Borlaug

Answer 2

Green Revolution

Question 3

George Washington Carver: Rotate _ crops with _, increased soil fertility and crop productivity

Answer 3

cotton, soybeans

Question 4

Basic Layer Formula: _% corn & SBM and _% limestone

Answer 4

80, 10

Question 5

Ingredient values in formulations

Answer 5

Ingredient cost
Other available ingredients and costs
Nutrient Specifications
Nutrient Requirements
Other functional components of ingredients (ex. DDGS)

Question 6

DDGS is a _ produced by making ethanol and are a source of _ _

Answer 6

byproduct, yeast pre-biotics

Question 7

_ _ also uses yeast

Answer 7

Citric Acid

Question 8

Hens drink water at a rate of _x the amount _ consumed daily which is equivalent to -% of hens BW (180 to 220ml)

Answer 8

2, feed, 10, 12

Question 9

_ml of water is required for production of egg

Answer 9

70

Question 10

- hours without water affects production for - days

Answer 10

6, 8, 7, 10

Question 11

No water in _h can induce a _

Answer 11

24, Molt

Question 12

Water usage throughout the day is _ _

Answer 12

not constant

Question 13

Biggest drink of the day happens after

Answer 13

Laying

Question 14

Majority of water intake occurs between _pm and _pm before _ _

Answer 14

4-7, lights out

Question 15

In a hotter barn birds drink _

Answer 15

More

Question 16

Number of saleable eggs per hen has increased by _ over the past 20 years, laying persistency peaks at 97% and can maintain production above 95% for nearly _ weeks

Answer 16

40, 30

Question 17

Peak egg mass is sustained from _ to _ weeks of age

Answer 17

35, 70

Question 18

Protein and energy need for egg production remain stable, _ _ is used primarily to control _ _ and improve _ _

Answer 18

phase feeding, egg size, shell quality

Question 19

High production flocks have greater _ _ and _ _

Answer 19

egg production, egg mass

Question 20

Energy (kcal ME/bird/d) =

Answer 20

BW x [170-(2.2xC)] + (2 x Egg Mass) + (5 X ADG)

Question 21

Grades of Eggs

Answer 21

Undergrade, M, L, XL

Question 22

Pullet Objectives

Answer 22

Uniformity
BW Targets
Age at first egg
BW at first egg
Sufficient Ca to build reserves

Question 23

How to achieve good early egg size

Answer 23

Raise heavier pullets
Use high density feeds
Promote early feed intake

Question 24

Optimal Egg size is _-_g and is the most economical, balancing feed input costs and maximizing return

Answer 24

60-62

Question 25

Why do you want to minimize extra-large and jumbo eggs?

Answer 25

Prevent shell cracks and under-grades

Question 26

Does egg size become easier or harder to control late in the production cycle, what does it require

Answer 26

harder, planning throughout hens laying period

Question 27

Improve egg shell quality by

Answer 27

Calcium
Phosphorus
Vitamin D3
Organic materials
Hy-D and phytase
Gut-health additives

Question 28

Egg shell is _%

Answer 28

40

Question 29

Calcium Intake _-_g /d

Answer 29

4-4.5