The normal incubation duration required for hatching chicken eggs is ________________________?
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Answer: C. 21 days
Explanation
The standard incubation period required for chicken eggs to hatch successfully is twenty-one days. Proper temperature and humidity must be maintained throughout this exact developmental window. Embryonic development proceeds through predictable stages culminating in hatching on day twenty-one. Avian incubation requires continuous warmth provided by brooding hens or artificial incubators. Chicken embryos rely on yolk nutrients to fuel development inside the protective shell. Hatchery management closely monitors environmental conditions to ensure maximum chick viability.
Commercial poultry operations utilize large automated incubators to hatch thousands of chicks simultaneously. Small-scale farmers rely on broody hens to manage the natural twenty-one-day incubation cycle. Accurate timing helps producers schedule vaccination and placement of newly hatched chicks. Twenty-two days exceeds the normal developmental timeline for standard domestic chicken breeds. Twenty-three days is too long and typically results in delayed or weak chick hatching. Twenty days is slightly premature for complete embryonic development inside the egg.
- Subject
- Agriculture
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- Agriculture
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- —
- Difficulty
- medium
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