Transitioning Your Hens to Non-GMO or Organic Feed: What to Expect

Whether you're starting fresh with a new flock or switching your existing hens to a higher-quality feed, transitioning to non-GMO or organic layer feed is straightforward — and the benefits show up quickly in egg quality, yolk color, and flock health. Here's what to expect and how to do it right.

Why Upgrade to Non-GMO or Organic Feed?

Conventional layer feed is formulated to meet basic nutritional requirements and is widely available and affordable. Non-GMO and organic feeds go further:

  • Non-GMO feed — Uses ingredients not derived from genetically modified crops. Same nutritional profile as conventional, but sourced from non-GMO grains. A meaningful step up for flock owners who want cleaner sourcing without the full cost of organic.
  • Organic feed — Certified organic ingredients grown without synthetic pesticides, herbicides, or fertilizers. No GMOs. The highest standard available for backyard flock owners who want to produce truly clean eggs.

The difference shows up in the eggs. Hens on higher-quality feed with access to pasture produce eggs with deeper orange yolks, richer flavor, and measurably better nutritional profiles — higher omega-3s, more vitamins, better shell quality.

How Long Does the Transition Take?

Hens adapt to a new feed within 1–2 weeks in most cases. The transition is not dramatic — chickens don't have the sensitive digestive systems of some other animals. A gradual switchover is still recommended to avoid any temporary digestive disruption or feed refusal.

Recommended Transition Schedule

  • Days 1–3: 75% current feed / 25% new feed
  • Days 4–6: 50% current feed / 50% new feed
  • Days 7–9: 25% current feed / 75% new feed
  • Day 10+: 100% new feed

Most hens accept the new feed without issue by day 3–5. The gradual blend simply reduces the small chance of feed refusal and gives the gut microbiome time to adjust.

What to Watch During the Transition

In the first week or two after switching feed, you may notice:

  • Slightly softer droppings — Normal and temporary as the digestive system adjusts
  • Brief dip in egg production — Any feed change can cause a short-term production pause of a few days. This is normal and resolves quickly.
  • Improved yolk color within 2–3 weeks — As the new feed takes effect, yolks will deepen in color, especially if hens have pasture access
  • Better shell quality over time — Higher-quality feed with proper calcium levels produces harder, more consistent shells

Our Pullets Transition Easily

One of the advantages of starting with Stafford Hill Farms pullets is that our birds are raised on quality feed from day one and are accustomed to eating well. They're not conditioned to low-quality scratch-heavy diets that make feed transitions harder.

Whether you plan to feed conventional, non-GMO, or certified organic — our pullets will adapt readily. We've had customers successfully transition their birds to all three feed types without issue. The birds are healthy, well-nourished, and not picky.

Our recommendation: Start with whatever feed you plan to use long-term. If you're committed to non-GMO or organic, start there from day one — there's no need to begin with conventional and switch later. Our pullets will take to it immediately.

Tips for a Smooth Transition

  • Keep oyster shell available free-choice — Calcium needs don't change with feed type. Oyster shell ensures consistent shell quality regardless of which feed you're using.
  • Don't mix in scratch or treats during the transition — Keep the diet simple while hens are adjusting. Introduce treats again after the full switch is complete.
  • Store feed properly — Organic feed in particular can have a shorter shelf life than conventional due to the absence of synthetic preservatives. Store in a sealed metal container in a cool, dry location and use within 6–8 weeks of milling date.
  • Source from a reputable mill — Feed quality varies significantly between brands. Look for a milling date on the bag and buy from a source with high turnover.

The Bottom Line

Transitioning to non-GMO or organic feed is one of the simplest upgrades you can make for your flock — and the results show up in your eggs within weeks. Our pullets are raised to thrive on quality feed and will adapt to whatever you choose to feed them. The transition is easy. The eggs are better. And you'll know exactly what went into them.

Complete Feed Guide: Conventional, Non-GMO & Organic Explained →  |  Browse Available Pullets →  |  Back to The Learning Coop →