STUDIES of chemical and physical characteristics of carcasses have contributed to our basic knowledge of poultry science and have been useful as a guide in evaluating diets or their components. With the latter in mind Ackerson et al. (1938) analyzed chicks at the end of feeding trials and calculated the composition of the gains in body weight when different protein concentrates were fed. Harshaw (1936) determined the effect of fattening on the chemical and physical composition of edible portions of range and confinement reared cockerels. In another series of experiments, Harshaw (1939) compared the nutritive effect of different cereals on the composition of chickens. This technique has also been widely used by Fraps (1943) who conducted extensive studies with chickens on the relation of dietary components to body composition. Experiments on the chemical composition and physical characteristics of turkeys have been less extensive than with chickens and limited to the …
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Dymsza et al. (1953) studied this question.
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