Why Are My Button Quail Eggs Not Hatching: 7 Checks (2026)

Quick answer

Confirm that these are button quail eggs and that day one was counted correctly. In a forced-air incubator, check for 99.5°F / 37.5°C, review the humidity trend and turning record without borrowing exact Coturnix figures, then candle gently for development. Change one thing at a time.

For a tray that lets tiny eggs roll or wobble, see best button quail incubator (2026): 6 picks. It compares small-egg tray compatibility, turning, visibility, and humidity-control options. For temperature context, Quail Egg Incubator Settings: Day-by-Day Schedule for Coturnix offers a day-by-day reference, but its schedule is Coturnix-focused.

What you'll need

• A reliable thermometer placed where the eggs sit
• A hygrometer and your humidity notes or photos
• A notebook for set date, readings, turning, and candling observations
• A suitable candler that lets you view one small egg without rough handling

If the incubator's tray lets eggs roll, wobble, or miss the turning motion, a fitted small-egg insert is worth considering. The CluckRun 30-Quail Incubator includes a dedicated quail tray and built-in LED candler, so it is the better fit of these two options for a tray-related hatch problem. The Brinsea Mini II Advance is the smaller-batch alternative, with its optional small-egg insert.

Step-by-step

Step 1: Confirm the timeline and species

Write down the date and time the eggs went into the incubator. Button quail incubation is 16 days, with a 15–17-day range. Count the set day consistently, and confirm the eggs are button quail rather than Coturnix. A late start, mixed batch, or mistaken day count can make a normal hatch look late.

Keep the incubator steady while you check. Do not discard eggs just because day 16 is quiet. A pip can happen later in the normal range.

Step 2: Verify temperature and the process around humidity

Check the reading at egg level with a reliable thermometer. For forced air, set 99.5°F / 37.5°C. Compare a second thermometer with the incubator display and write down swings instead of reacting to one glance.

Button-quail keeper guidance does not agree on one exact humidity target or lockdown day. Button Quail Eggs, a breeder/vendor guide, lists 45–50% for days 1–14 and 60–70% for lockdown. Phil's Best Button Quail, a breeder guide, says about 55% during turning and 65–75% for the final three days. Incubator Warehouse lists 50–55% and day 13. Use one species-specific schedule, follow its instructions, and watch the trend rather than chasing numbers from several guides.

Review whether the lid was opened often, water was added in large changes, or turning stopped at the wrong point. Those notes are more useful than a last-minute reset.

Step 3: Check fertility, development, and tray fit

Candle in a dim room with clean, dry hands. Look for evidence of development across several eggs, and note clear, unchanged, or uncertain views. Candling alone cannot give a definitive diagnosis. The guide How To Use Egg Candler For Quail Eggs: 5 Steps shows safer candling technique and clearer ways to interpret an unclear view.

Finally, inspect how the tiny eggs sat in the tray. They should stay supported and receive the intended turning movement. A chicken-sized cup can let a button egg tip, spin in place, or fall into a gap. If eggs developed but did not pip, record that separately from eggs that showed no development.

Common mistakes

• Changing several settings at once: You lose the trail. Record the reading and make one controlled change only when your source supports it.
• Using a Coturnix schedule: The species has a different incubation timeline. Keep button-specific figures separate.
• Discarding on day 16: The button range reaches day 17. Check the date and observe before making a decision.
• Ignoring the tray: Tiny eggs need a secure fit. Confirm that every egg stayed in place during turning.

Troubleshooting

The eggs are on day 17 with no pip

Recheck the set date, species, and thermometer first. Keep conditions steady while you candle gently for development. If there is no clear answer, ask an experienced button-quail breeder or extension office rather than guessing at assisted hatching.

There are clear eggs or no visible development

Fertility, storage before setting, or an early temperature problem could be involved. Candling can suggest a pattern across the batch, yet it cannot prove one cause. Record the result, review your source and equipment, and ask the breeder about the parent flock and collection process.

Eggs developed, then stopped

Review temperature swings, humidity changes, turning, and how often the incubator was opened. Also check that the tray supported the eggs. Avoid a dramatic reset after the fact, since it can make the next batch harder to diagnose.

When to seek another opinion

Talk with a breeder or extension office when several eggs fail at the same stage, your readings disagree, or you cannot tell what you see while candling. Keep the notebook, egg dates, incubator model, and photos of the display. Good records turn a disappointing hatch into useful information for the next setting.

Check the small-egg tray option →

Frequently asked questions