offspring_survival {epiphy} | R Documentation |
Offspring survival of rats experiencing different diets.
Description
Results of an experiment where two groups of 16 female rats were fed different diets during pregnancy and lactation periods. One group's diet contained a chemical under review, and the other one was a control. For each litter, the number of pups alive at 4 days, and the number of pups weaned (i.e. that survived the 21-day lactation period) were recorded.
Usage
offspring_survival
Format
A data frame with 32 rows and 3 variables:
[, 1] | group | Either control or treated group. |
[, 2] | i | Pups weaned. |
[, 3] | n | Pups alive at 4 days. |
Source
Weil CS. 1970. Selection of the valid number of sampling units and a consideration of their combination in toxicological studies involving reproduction, teratogenesis or carcinogenesis. Food and Cosmetics Toxicology 8: 177-182.
[Package epiphy version 0.5.0 Index]