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Many rations have been devised for growing chicks. Some of them have been successful. It appears that the chief ambition of most designers of chick rations has been to set up some complex system which requires the skill of an expert accountant if all details are to be properly administered. The ration which we are proposing is one which we have demonstrated as supplying in adequate amounts the necessary nutritional factors for obtaining what is usually considered satisfactory growth during the entire period preceding egg pro-production. This ration is made up of six commonly available ingredients which are relatively inexpensive sources of the substances they supply. The method of feeding requires no time table and there is no guess-work as to how much should be fed at a given time to chicks of a given age. Furthermore, this ration is self-contained, except for direct sunlight and drinking water, and is . . .
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Carrick et al. (1927) studied this question.
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