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Water Consumption of the Ageing Sprague-dawley Male Rat

G. K. OsbornD. C. JonesDonald J. Kimeldorf

出版	U.S. Naval Radiological Defense Laboratory, 1961
URL	http://books.google.com.hk/books?id=UwzryfU_cGQC&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN

註釋

In a study of water consumption of the rat as a function of age, 3-day measurements were taken at 6-month intervals from three months of age until death. A remarkable increase in consumption was observed to occur in many animals during the last six months of life span. The magnitude of the abrupt change was increased as a function of age at measurement and appeared to be unrelated to food consumption or changes in body weight. It is thus believed to reflect a disease process related to ageing. Excessive water consumption values were reflected by a considerable increase in the mean and variability of water consumption values of the total population whose consumption otherwise showed only a gradual increase with age. (Author).