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Effect of Controlled Lighting on Production Characters in the Fowl

โœ Scribed by BOWMAN, J. C.; ARCHIBALD, J. D. H.

Book ID
109600885
Publisher
Nature Publishing Group
Year
1959
Tongue
English
Weight
224 KB
Volume
183
Category
Article
ISSN
0028-0836

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I t is a common observation that in the domestic fowl egg laying is normally restricted to the daylight period. The few eggs produced at night are usually without shell o r with a poorly formed one, indicating that they were prematurely expelled. Atwood ( '29) has shown that since somewhat more than