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Published online by Cambridge University Press: 11 November 2009
Vitamin D for Chicks. The Effects of an insufficient Supply of Vitamin D on Growth of the Skeleton and internal Organs of Chickens. E. J. Sheehy and K. Sheil. Royal Dublin Society, Proceedings Vol. 20, No. 16.
In this paper the importance of supplying Vitamin D to chicks for the purpose of preventing leg weakness, unthriftiness, and crooked breast is emphasised. Direct light is the most potent source of this particular vitamin which is also supplied in concentrated form by cod liver-oil and to a lesser extent by green foods.