Three flocks placed four months apart keep at least two houses at peak lay and the packhouse busy all year

Months of operation

House 1

Flock 1

Flock 2

House 2

Flock 1

Flock 2

House 3

Flock 1

Flock 2

Each flock: placed at 18 weeks, 13.5 months in lay to about 76 weeks of age, then sold live; two weeks to clean, disinfect and rest the house.

Planned hen-day production by month of lay (%)

115 g

eggs per hen housed per cycle

feed per hen per day; 1.6 kg per dozen

0.5%

97%

mortality per month (6.5% a cycle)

first-grade eggs; 3% seconds