The use of artificial light to increase winter egg production /
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| Main Author: | |
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| Format: | Texto biblioteca |
| Language: | d |
| Published: |
Berkeley, Calif. : University of California, College of Agriculture, Agricultural Experiment Station,
1922
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| Subjects: | EGGS-PRODUCTION, POULTRY-EFFECT OF LIGHT ON, POULTRY-HOUSING-LIGHTING, |
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