Estimation of Age in the Norway Rat (Rattus norvegicus Berkenhout) from the Weight of the Eyelens
作者： A. R. Hardy , R. J. Quy , L. W. Huson
DOI: 10.2307/2403378
关键词:
摘要: (1) F1 litters from wild-caught Rattus norvegicus were maintained on surplus food and water in laboratory cages. (2) A relationship between age dried lens weight was derived by regression analysis of data ninety-six male 105 female rats sacrificed at various known ages up to 18 months birth. (3) single predictive equation (combining males females) is recommended for practical use which relates eylens a transformed measure age. The log10 (age + 22 days) = 1 313 0.021 (paired weight) where days the gestation period correlation coefficient 096.
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