Journal of Nutrition Vol. 19 No. 6 June 1940, pp. 555-562
Copyright © 1940 by American Society for Nutrition
Fat Requirements of the Growing Chick1
Walter C. Russell,
M. Wight Taylor and
Louis J. Polskin
Department of Agricultural Biochemistry, New Jersey Agricultural Experiment Station and Rutgers University, New Brunswick
- 1. The extensive removal of substances soluble in diethyl ether from an ordinary poultry growing mash did not retard growth of chicks significantly up to 14 weeks of age, when care was taken to provide the vitamins removed by the extraction process.
- 2. Although dietary fat was reduced to a very low level (0.1% or less) crystalline carotene was utilized. However, the quantity of carotene fed was several times the minimum requirement.
- 3. The depot fat formed on the low fat ration was more saturated than that of chicks on the normal ration. On the other hand the liver fat of both groups showed essentially the same degree of saturation. The liver fat was less saturated than the depot fat.
1 Journal series paper of the New Jersey Agricultural Experiment Station, Department of Agricultural Biochemistry. Presented before the Division of Biological Chemistry, American Chemical Society, Dallas, Texas, April 20, 1938.
Manuscript received 5 February 1940.
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