PPT 14--Broiler Breeders

Question 1

how long are birds grown in rearing houses?

Answer 1

20-22 weeks

Question 2

what is a pullet?

Answer 2

a sexually immature breeder hen

Question 3

explain feeding program for pullets.

Answer 3

first 2 weeks full feed starter diet given.

weeks 3-23 restrict food to a every other day but twice the amount program. allow plenty of water.

Question 4

When do you vaccinate a pullet?

Answer 4

before they go to the laying house

Question 5

how do breeders control coccidiosis?

Answer 5

spray in the hatchery or make birds consume gel.

Question 6

how much light a day do pullets receive after brooding period?

Answer 6

8 hours

Question 7

what does the lighting do for developing birds?

Answer 7

supresses sexual maturity to improve uniformity in body weight and start of egg production.

Question 8

what are some differences in the program for cockerels?

Answer 8

they are in a separate house, get their inside toenails trimmed(no injury during sex), and feeding program differences.

Question 9

what are the 4 common things that make up a conventional breeder house?

Answer 9

2/3 slats, 1/3 litter floor, nests, and stirring fan

Question 10

what are modern disease control and labor reducing mechanisms found in modern housing?

Answer 10

mechanical nesting, automated feeders, nipple drinkers, and ventilation control systems.

Question 11

what are some important things done to the breeder feeding programs?

Answer 11

feed is restricted, there are separate male and female feeding systems and during lay trace nutrients are added to ensure good egg quality.

Question 12

Are laying houses commingled?

Answer 12

yes

Question 13

what does it mean if a rooster is dubbed?

Answer 13

the comb is clipped

Question 14

during lay how many hours are the lights on?

Answer 14

14 hours a day, and may increase for more lay

Question 15

when do pullets start to lay?

Answer 15

23-24 weeks

Question 16

how many eggs are produced? and how many produce chicks?

Answer 16

155-170, 130-150 produce chicks.

Question 17

how many roosters per 100 hens are placed in a laying house?

Answer 17

8-10

Question 18

how many hens per nest?

Answer 18

5-6

Question 19

how often are eggs collect to reduce contamination and breakage?

Answer 19

3-4 times a day(mechanically)

Question 20

how are eggs placed in incubator flats?

Answer 20

large end up or air cell up(reduces hatch ability)

Question 21

what is a cull egg?

Answer 21

eggs that cannot be used because they are cracked/misshapen/too large/small

Question 22

should you sand eggs to remove things?

Answer 22

NO!! (allows bacteria an entrance)

Question 23

what is the ideal egg volume per dozen eggs?

Answer 23

23-28 ounces

Question 24

what does the dry bulb thermometer measure in a hatchery? the wet bulb?

Answer 24

the dry bulb thermometer measures temperature

the wet bulb measures humidity

Question 25

egg sweating is bad why?

Answer 25

allows for dust and bacteria to stick and penetrate egg.

Question 26

how long should eggs be stored?

Answer 26

5 days

Question 27

if you need to store eggs for more than a week what temperature should eggs be cooled to?

Answer 27

65 degrees F