Layer and Broiler Management

Question 1

objective of layer enterprise

Answer 1

obtain max # of saleable eggs per hen housed at low feed cost per egg or per kg egg mass and the eggs should have optimal internal and external qualities

Question 2

males are considered unwanted by products of layer industry

true or false

Answer 2

true

Question 3

chick sexing is used for?

Answer 3

identifying sex of chicks

Question 4

types of chick sexing

Answer 4

1. auto-sexing
2. vent sexing
3. feather sexing

Question 5

in vent sexing, the producer checks for the absence/presence of ?

Answer 5

rudimentary male sex organ

Question 6

in feather sexing, sex is identified through the difference in their feathers

true or false

Answer 6

true

Question 7

where do male chicks go?

Answer 7

• chick meal (euthanized then is fed)
• fiestas (colored chicks)

Question 8

as the bird matures, the hen-day egg production __________ (increases/decreases)

Answer 8

decreases

Question 9

as the bird matures, weight of eggs __________ (increases/decreases)

Answer 9

increases

Question 10

as the bird matures, body weight of layers increases

true or false

Answer 10

false; it just remains constant

Question 11

define molting

Answer 11

periodic shredding and replacement of feathers

Question 12

induced molting is done when economic circumstances arise which are?

Answer 12

• anticipation of high egg prices
• lack of available cash
• empty laying houses

Question 13

methods of molting

Answer 13

• conventional
• alternative

Question 14

in conventional method of molting, what are reduced?

Answer 14

• feed, water, or both
• photoperiod

Question 15

in alternative method of molting, zinc can be decreases to induce molting

true or false

Answer 15

false; it should be increased

Question 16

in alternative method of molting, lower Ca and Na induces molting

true or false

Answer 16

true

Question 17

in culling, these are observed in judging layers

Answer 17

• comb and eyes
• vent
• pelvic spread
• abdomen

Question 18

in judging layers, the vent, pelvic spread, and abdomen can give indications on

a. reproductive capacity and hen’s current reprod rate
b. health and vigor of birds

Answer 18

A

Question 19

in judging layers, the comb and wattle can give indications on

a. reproductive capacity and hen’s current reprod rate
b. health and vigor of birds

Answer 19

B

Question 20

in judging a layer’s comb, it should be small, pale, and scaly

true or false

Answer 20

false; it should be large, red, full, and glossy

Question 21

a good layer has ______ (bright/dull) eyes

Answer 21

bright

Question 22

a poor layer has a large, dilated, oblong, and moist vent

true or false

Answer 22

false; that’s a good layer

Question 23

poor layers have small, contracted, round and dry vent

true or false

Answer 23

true

Question 24

pelvic bone spread of a good layer should be about___________ fingers

Answer 24

2 or more

Question 25

a hard abdominal bone spread that’s three or more than 3 fingers is preferred for a good layer

true or false

Answer 25

false; it should be soft

Question 26

hen-housed egg production reflects production capacity of the available birds

true or false

Answer 26

false; it’s the hen-day egg production

Question 27

an __% or more per year for hen-day egg prod is desirable

Answer 27

85%