Feed Chickens Starter Feed for 6-8 Weeks (Until Fully Feathered)

Chicks require starter feed (20-24% protein) for the first 6-8 weeks of life to support rapid growth and immune development. Switch to grower feed (16-18% protein) once fully feathered, typically by week 8-10. Avoid layer feed until 18+ weeks to prevent kidney damage from excess calcium.

Why Starter Feed Duration Matters

  • High protein (20-24%): Supports muscle, bone, and feather development.
  • Fine crumble texture: Easy for chicks to digest (avoid pellets).
  • No calcium: Excess calcium harms young kidneys (layer feed is unsafe).
  • Medicated vs. unmedicated: Use medicated only if coccidiosis risk exists.

Starter Feed Timeline by Chicken Type

Chicken Type Starter Feed Duration Protein % Next Feed Type
Standard Breeds (e.g., Rhode Island Red, Leghorn) 6-8 weeks 20-22% Grower (16-18%) until 18 weeks
Bantams & Small Breeds 8-10 weeks 22-24% Grower (18%) until 20 weeks
Meat Birds (e.g., Cornish Cross) 4-6 weeks 22-24% Finisher (18-20%) until processing

Signs It's Time to Switch Feeds

  • Full feathering: Primary feathers on wings and tail are developed.
  • Reduced growth spurt: Slower weight gain after week 6-8.
  • Pecking at larger particles: Ready for grower feed's coarser texture.
  • Avoid layer feed: Never feed before 18 weeks (risk of organ damage).

What Happens If You Feed Starter Too Long?

  1. Wasted resources: Higher protein than needed increases feed costs.
  2. Obesity risk: Excess protein may lead to fatty liver in mature birds.
  3. Delayed egg production: Overfeeding starter can postpone laying.

Transitioning Feeds: Step-by-Step

  1. Mix feeds: Gradually replace starter with grower (25% grower → 100% over 7 days).
  2. Monitor droppings: Loose stools may indicate a too-fast transition.
  3. Provide grit: Essential if feeding whole grains alongside crumbles.
  4. Free-choice feeding: Keep feed available 24/7; chicks self-regulate intake.

Common Mistakes to Avoid

  • Using layer feed early: Causes kidney failure or deformed bones.
  • Skipping grower feed: Sudden switch to layer feed risks calcium toxicity.
  • Feeding scratch grains: Low protein stunts growth in chicks.
  • Ignoring medicated feed labels: Only use if coccidiosis is a confirmed threat.