Egg Production: Understanding the Laying Cycle and Maxi in Australia

The Laying CycleHens begin laying at approximately 18–24 weeks of age (depending on breed and season). Commercial layer breeds (ISA Brown) produce an egg approximately every 26 hours at peak production — 300+ eggs per year in their first laying year. Production gradually declines in subsequent years: typically 80% of peak in year 2, 70% in year 3. Most backyard flock managers cull or rehome hens after 3–4 years when production falls significantly.Seasonal Production DeclineEgg production i…